Oki C542 User Manual
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Oki C542 User Manual

Oki C542 User Manual

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C542/ES5442
User's Manual

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Summary of Contents for Oki C542

  • Page 1 C542/ES5442 User’s Manual...

  • Page 2: Table Of Contents

    Table of contents Name and Functions on the Touch Panel ....................45 Adjusting the Angle of the Operator Panel ....................46 Entering Characters ........................... 47 Before starting ....................4 Turning the Machine On or Off ....................49 Cautions Related to Safety ......................5 Turning the Machine On ..........................
  • Page 3 Print Problems ...........................104 Unable to Print ............................104 If an Error Message is Displayed on the Operator Panel ............106 Error Message List ...........................106 Management/Specifications ..............115 Changing the Administrator Password ..................116 Saving Power Consumption with the Power Save Function ............117 Setting the Length of Idle Time Before Entering Power Save Mode ............117 Setting the Length of Idle Time Before Entering Sleep Mode ..............

  • Page 4: Before Starting

    Before starting Cautions Related to Safety General Cautions About This Manual Trademarks and Other Information License...

  • Page 5: Cautions Related To Safety

    1. Before starting Cautions Related to Safety Indicates additional information which, if ignored or not followed, may result in personal injury or death. Indicates additional information which, if ignored, may result in personal injury. - 5 -...

  • Page 6: General Cautions

    1. Before starting General Cautions Do not vacuum spilled toner with an electric vacuum cleaner. Vacuuming spilled toner with an electric vacuum cleaner may result in ignition due to sparks from electric contacts or other reasons. If toner spills on the floor or other places, wipe the toner gently with a damp rag or other cloth while using care not to scatter the toner.
  • Page 7 1. Before starting Do not touch a broken liquid crystal display. Injury may result. If you get liquid (liquid crystal) spilled from the liquid crystal display into your eyes or mouth, immediately rinse with a large amount of water. Seek medical advice if necessary.

  • Page 8: About This Manual

    • Copyright of the manual Indicates the cautions and restrictions for operating this machine correctly. Be sure to read to All rights reserved by Oki Data Corporation. No part of this document may be reproduced in ensure that you can operate the machine correctly.
  • Page 9 Indicates how to display the required menu of the machine or computer. About Illustrations The illustrations of C542 are used in this manual as examples. Illustrations of the display screen on the operator panel used in this manual are with the factory default settings.

  • Page 10: Trademarks And Other Information

    (LVD), 1999/5/EC (R&TTE), 2009/125/EC (ErP) and 2011/65/EU(RoHS), as amended where applicable, on the approximation of the laws of the member states relating to Electromagnetic Compatibility, Low OKI is a registered trademark of Oki Electric Industry Co., Ltd. Voltage, Radio & Telecommunications Terminal Equipment, Energy related Products and Restriction on the use of certain Hazardous Substances in electrical and electronic equipment.
  • Page 11 1. Before starting Japan For all sales, support and general enquiries contact your local distributor. • IMPORTER TO THE EU/AUTHORISED REPRESENTATIVE OKI Europe Limited Blays House Wick Road Egham Surrey, TW20 0HJ United Kingdom For all sales, support and general enquiries contact your local distributor.

  • Page 12: License

    1. Before starting License Copyright (c) 2009-2012 Eric Haszlakiewicz Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to This product contains software developed by the Heimdal Project.

  • Page 13: Setting Up

    Setting Up Installation Requirements Checking the Accessories Unpacking and Installing the Machine Installing the Optional Equipment Connecting the Power Code Connecting This Machine to a Computer Loading Paper Setting Up This Machine Installing a Driver and Software to a Computer...

  • Page 14: Installation Requirements

    2. Setting Up Installation Requirements Installation Environment • Installation Environment Install the machine in the following environment. • Installation Space Ambient temperature: 10°C to 32°C Ambient humidity: 20% to 80% RH (relative humidity) Maximum wet bulb temperature: 25°C • Use care to prevent condensation. It may cause a malfunction. •...

  • Page 15: Installation Space

    2. Setting Up Installation Space Install the machine on a flat surface that is wide enough to accommodate the legs of the machine. Do not install this machine directly on a thick rug or carpet. • Do not install this machine in a closed room or other locations with bad circulation and •...
  • Page 16 2. Setting Up • Side view (when the additional tray unit is installed) - 16 -...

  • Page 17: Checking The Accessories

    2. Setting Up Checking the Accessories The starter toner cartridge is not installed in the ES model. Install the toner cartridge that is included in this machine. Check that you have everything shown below. Refer to "Replacing the Image Drum". •...

  • Page 18: Unpacking And Installing The Machine

    2. Setting Up Unpacking and Installing the Machine Lift the machine, and then place it where it is to be installed. This section describes how to unpack and install the machine. Injury may result. Lift this machine by 2 persons, because it weighs approximately 24 kg. •...
  • Page 19 2. Setting Up Pinch the tip of blue lever of the toner cartridge and turn forward until the tip Hold the fuser unit handle and lift the fuser unit out of the machine. aligns on the lug of the cartridge. Turn the levers of all 4 toner cartridges.
  • Page 20 2. Setting Up Hold the fuser unit handle and aligning the fuser unit to the grooves behind the Close the output tray (a) slowly and push the center of the output tray for toner cartridges, place the fuser unit into the machine. confirmation.

  • Page 21: Installing The Optional Equipment

    2. Setting Up Installing the Optional Equipment Installing the Wireless LAN module • Installing the Wireless LAN module Install the wireless LAN module when you want to use a wireless connection. • Installing the Additional Tray Unit • Setting the Printer Driver Check that the machine is turned off and power cord and all the cables are unplugged.

  • Page 22: Installing The Additional Tray Unit

    2. Setting Up Eject the connector from the cover and connect with the wireless LAN module. Installing the Additional Tray Unit Attach the the additional tray unit when increasing the number of sheets or paper to be set is needed. Up to 2 trays can be installed.
  • Page 23 2. Setting Up If you want to install two additional trays, fix them together with the lock pieces. Screw the machine and additional tray unit with the lock pieces. Slowly stack the machine on the additional tray unit aligning their back sides and right sides.

  • Page 24: Setting The Printer Driver

    - When the optional equipment is installed before the printer driver is installed • Setting Additional Tray(s) to the Windows PCL Printer Driver Click [Start], and then select [Devices and Printers]. Right-click [OKI C542], and then select [OKI C542 PCL6] from [Printer properties]. Select the [Device Options] tab.
  • Page 25 2. Setting Up Select [Get installed options automatically] for [Installable Options], and then Select the total number of trays for [Available Tray], and then click [OK]. click [Setup]. When using a USB connection, select the total number of trays for [Available Trays] in [Installable Options]. Click [OK].

  • Page 26: Connecting The Power Code

    2. Setting Up Connecting the Power Code Fire or electric shock may result. The power supply must meet the following conditions. Be sure to turn this machine off before connecting and disconnecting the power cord • AC: 110 to 127V AC (Range 99 to 140V AC) / 220 to 240V AC (Range 198 to 264V AC) and the ground wire.
  • Page 27 2. Setting Up Plug the power cord into the power connector. Plug the power cord into the outlet. - 27 -...

  • Page 28: Connecting This Machine To A Computer

    2. Setting Up Connecting This Machine to a Computer Connecting with a LAN Cable Connect the machine to the computer using any of the following four methods. • Connecting with a LAN Cable A LAN cable (category 5e or higher, twist pair, straight) is not supplied. •...

  • Page 29: Connecting Over A Wireless Lan Connection (Only When The Wireless Lan Module Is Mounted)

    2. Setting Up Pass the LAN cable under the tab, and then close the interface cover. Connecting over a Wireless LAN Connection (Only When the Wireless LAN Module is Mounted) Connect this machine to a network via a wireless LAN access point. Check if your wireless LAN access point matches the following requirements.

  • Page 30: Connecting With A Usb Cable

    2. Setting Up Connecting with a USB Cable Do not insert the USB cable into the network interface connector. It may cause a malfunction. A USB cable (Hi-Speed USB 2.0) is not supplied. Prepare a USB cable. If you want to connect in USB 2.0 Hi-Speed mode, use a Hi-Speed USB 2.0 USB cable. Pass the USB cable under the tab, and then close the interface cover.

  • Page 31: Connecting Directly Over A Wireless Lan Connection (Only When The Wireless Lan Module Is Mounted)

    2. Setting Up Connecting Directly over a Wireless LAN Connection (Only When the Wireless LAN Module is Mounted) For Windows, do not insert the other end of the USB cable into the computer until the instruction is displayed on the screen when the driver installation is in progress. You can use the machine as a wireless access point to directly connect wireless devices (computers, tablets, smartphones, etc.).

  • Page 32: Loading Paper

    2. Setting Up Loading Paper Slide the paper stopper (b) to the length of paper to be loaded. The procedure when loading paper in Tray 1 is used as an example. The same procedure applies to Tray 2/3 (optional). For details on available paper, see "About Paper Types That Can be Loaded". Pull the paper cassette out.
  • Page 33 2. Setting Up Replace the paper cassette into the machine. Push the paper cassette until it stops. - 33 -...

  • Page 34: Setting Up This Machine

    2. Setting Up Setting Up This Machine Follow the on-screen instructions to set required information. Turn the machine on. Follow the on-screen instructions to set required information. When the machine is set up, install software in the computer. - 34 -...

  • Page 35: Installing A Driver And Software To A Computer

    2. Setting Up Installing a Driver and Software to a Computer For Windows Install the printer driver from the "Software DVD-ROM" to the computer. Connect the machine and computer via a network or USB cable and start installing. Other utility software can be installed at the same time. •...
  • Page 36 2. Setting Up Select [Network(Wired/Wireless)] or [USB connection] in accordance to the Click [Install Optional Software]. connection method of the machine and computer, and then click [Next]. If the [Windows Security Alert] dialog box is displayed, click [Allow access]. Select the model name of the machine, and then click [Next]. Installation starts.
  • Page 37 2. Setting Up Make sure that the software is successfully installed, and then click Click [Next]. [Complete]. - 37 -...

  • Page 38: For Mac Os X

    Make sure that the machine and a computer are connected and the machine is turned on. Insert the "Software DVD-ROM" into a computer. Double-click the [OKI] icon on the desktop. [Drivers] > [PS] > Double-click [Installer for OSX]. Enter the administrator password, and then click [OK].
  • Page 39 2. Setting Up Click [+]. To change the name, enter a new name into [Name:]. Click [Default]. Select the machine , and then make sure that [OKI C542 PS] is displayed for Click [Add]. [Use]. Types of Names Displayed in the Connection Methods List If [Installable options] is displayed, click [Continue].
  • Page 40 Make sure that the machine is added to [Printers] and [OKI C542 PS] is displayed for [Kind]. If [OKI C542 PS] is not displayed for [Kind] correctly, click [-], delete the machine from [Printers], and then newly perform steps 8 to 12.

  • Page 41: Basic Operations

    Basic Operations Names of Components Basic Operations on the Operator Panel Turning the Machine On or Off Loading Paper...

  • Page 42: Names Of Components

    3. Basic Operations Names of Components Front View The chapter describes the name of each component. • Front View • Rear View • Inside of the machine Symbol Name Operator panel Basic Operations on the Operator Panel USB port MP tray (Multipurpose tray) Open button Output tray (Top cover) Wireless LAN module cover...

  • Page 43: Rear View

    3. Basic Operations Rear View Inside of the machine Symbol Name Rear output tray Symbol Name Power connector LED head Interface connector cover Fuser unit Network interface connector Toner cartridge / Image drum (Y: yellow) USB interface connector Toner cartridge / Image drum (M: magenta) Toner cartridge / Image drum (C: cyan) Toner cartridge / Image drum (K: black) Tray 1...

  • Page 44: Basic Operations On The Operator Panel

    3. Basic Operations Basic Operations on the Operator Panel Names and Functions This section describes the operator panel of the machine. This section describes the names and functions of components on the operator panel. For details on how to customize the touch panel or adjust its brightness, see the Advanced Manual.

  • Page 45: Name And Functions On The Touch Panel

    3. Basic Operations Item Description Name and Functions on the Touch Panel Main area Press to use the print functions. When this machine turns on, the home screen is displayed on the touch panel. • Home Screen The following steps and functions are displayed. •...

  • Page 46: Adjusting The Angle Of The Operator Panel

    3. Basic Operations Names and Functions of Screen Items for Print Adjusting the Angle of the Operator Panel The operator panel can be tilted to improve the visibility. Hold the upper center of the operator pane and pull it forward. To set the operator panel back to the original position, pull the operator panel forward until it stops and then push slowly.

  • Page 47: Entering Characters

    3. Basic Operations Item Description Entering Characters Return button Puts a line break. This button appears when entering body text of an E-mail. • Entering with the Touch Panel Left button/right button/up button/down Moves the cursor left, right, up, or down. •...
  • Page 48 3. Basic Operations • Deleting an Entered Character To delete the character to the left of the cursor, press the (CLEAR) button. [RU] may be shown in case of Russian, and [EL] in case of Greek. In case of other languages, only [Alpha] and To clear characters you entered in a row, press and hold the (CLEAR) button.

  • Page 49: Turning The Machine On Or Off

    3. Basic Operations Turning the Machine On or Off Turning the Machine On • Turning the Machine On Press the power switch for approximately a second. • Turning the Machine Off When the machine is turned on, the power switch LED lamp lights up. The "Easy Setup"...

  • Page 50: Turning The Machine Off

    3. Basic Operations The home screen appears when the machine is ready. Turning the Machine Off • Check that the machine is not receiving data before shutting down. • Press and hold the power switch for 5 seconds or more to force shut down the machine. Use this method only if a problem occurs.
  • Page 51 3. Basic Operations After a while, the machine automatically turns off, and the power switch LED lamp goes out. What You Should Do If You Do Not Use This Machine for an Extended Period of Time If you do not use this machine for an extended period of time due to holidays, trips, or other reasons, unplug the power cord from the outlet.

  • Page 52: Loading Paper

    Use digital photo print • Paper Storage paper. If you print on paper that is not recommended by Oki Data, check the print quality and the movement of the paper thoroughly in advance to ensure that there are no problems. - 52 -...
  • Page 53 3. Basic Operations • Paper type • Label Paper size (mm) (The value enclosed with brackets is indicated Paper weight Paper size (mm) (The value enclosed with brackets is indicated Paper weight in inches.) in inches.) 210 x 297 64 to 220 g/m (17 to 58 lb) 210 x 297 0.1 to 0.2 mm...

  • Page 54: Recommended Paper

    3. Basic Operations • Tray 2/3 (Optional) Recommended paper Available paper size Tray capacity Paper weight The machine supports a variety of print media, including a range of paper weights and sizes. This section describes how to choose and use media. To obtain the best performance, use 530 sheets Light (if paper weight is 80 g/m...

  • Page 55: Loading Paper In Tray 1/2/3

    3. Basic Operations Fan a stack of paper well, and then align the edges of the paper. Loading Paper in Tray 1/2/3 The procedure when loading paper in Tray 1 is used as an example, and the same procedure applies to Tray 2/3 (optional). Pull the paper cassette out.

  • Page 56: Loading Paper In The Mp Tray

    3. Basic Operations Press [Device Settings] on the touch panel. Loading Paper in the MP Tray Press [Paper Setup]. Press the tray in which paper is loaded. If you open and close the MP tray vigorously, the paper feed roller of MP tray may fall and get in the way of loading paper.
  • Page 57 3. Basic Operations Open the sub support. Insert the paper with the print side up until its edge touches the paper feed entrance. Do not load paper above the " " mark. Adjust the manual feeding paper guide to the width of paper to be loaded. When a printer is in the power saving mode, press the (Power Save) button to restore from the mode.

  • Page 58: Paper Storage

    3. Basic Operations Paper Storage Store paper under the following conditions to maintain quality. • Inside a cabinet or other dry and dark place • On a flat surface • Temperature: 20°C • Humidity: 50% RH (relative humidity) Do not store paper in the places as shown below: •...

  • Page 59: Print

    Print Printing from a Computer (Windows) Printing from a Computer (Mac OS X) Cancelling a Print Job About Screens and Functions of Each Printer Driver Names and Functions of Screen Items for Print...

  • Page 60: Printing From A Computer (Windows)

    4. Print Printing from a Computer (Windows) For Windows PCL Printer Driver • For Windows PCL Printer Driver Open the file to print. • For Windows PS Printer Driver Select [Print] from the [File] menu. Select the printer driver. Click [Preferences]. - 60 -...

  • Page 61: For Windows Ps Printer Driver

    4. Print Change the settings in each tab to suit your needs. For Windows PS Printer Driver Open the file to print. Select [Print] from the [File] menu. Select the PS printer driver. Click [Preferences]. Click [OK]. Click [Print] on the [Print] Screen. - 61 -...
  • Page 62 4. Print Change the settings in each tab to suit your needs. Click [OK]. Click [Print] on the [Print] screen. - 62 -...

  • Page 63: Printing From A Computer (Mac Os X)

    4. Print Printing from a Computer (Mac OS X) For Mac OS X • For Mac OS X You can set a paper size, paper tray, and paper weight, and paper type with the printer driver. Open the file to print. Select [Print] from the [File] menu.
  • Page 64 4. Print If setting details are not displayed in the print dialog box for Mac OS X10.8.5 to 10.11, click [Show Details] at the bottom of the dialog box. Click [Print]. - 64 -...

  • Page 65: Cancelling A Print Job

    4. Print Cancelling a Print Job To cancel an ongoing print job, press the (STOP) button on the operator panel. To cancel jobs in the print queue, select jobs from the job list displayed on the operator panel to delete. To cancel printing, follow the steps below. •...

  • Page 66: About Screens And Functions Of Each Printer Driver

    4. Print About Screens and Functions of Each Printer Driver Windows PCL Printer Driver • [Setup] Tab • Windows PCL Printer Driver • Windows PS Printer Driver • Mac OS X PS Printer Driver Item Description Driver Setting Saves your settings. Image layout Displays a sample image for the set layout.
  • Page 67 4. Print • [Job Options] Tab • [Extend] Tab Item Description Item Description Quality Specifies the resolution for printing. Watermarks Specifies when you want to use stamp print. Scale Specifies the enlargement/reduction rate for printing. Overlays Sets when printing print formats which are registered to the printer beforehand as overlays.

  • Page 68: Windows Ps Printer Driver

    4. Print • [Paper/Quality] Tab Windows PS Printer Driver • [Layout] Tab Item Description Tray Selection Changes the paper feed tray. Color Selects Color or Black & White. Item Description Advanced Allows you to set detailed settings for print quality and a paper size. Orientation Specifies the printing direction.
  • Page 69 4. Print • [Job Options] Tab Item Description Default Resets the settings on the tab to their default settings. • [Color] Tab Item Description Quality Specifies the resolution for printing. If you set [Toner Saving], the print density decreases to save toner. Job Type Specifies the job type and the number of copies to print.

  • Page 70: Mac Os X Ps Printer Driver

    4. Print • [Color Matching] Panel Mac OS X PS Printer Driver • [Layout] Panel Item Description ColorSync Specifies the ColorSync function. In printer Performs color matching with this machine. Profile Specifies a profile. Item Description • [Paper Handling] Panel Pages per Sheet Selects the number of pages that is printed on a sheet of paper.
  • Page 71 4. Print • [Cover Page] Panel Item Description Pages to Print Specifies pages to print. Page Order Specifies a page order to print. Scale to fit paper size Prints to fit a paper size. A document may not be printed correctly depending on the setting.
  • Page 72 4. Print • [Color] Panel • [Print Options] Panel Item Description Item Description Grayscale Specifies to use monochrome printing. Print Options Specifies alignment to the items that have been set such as print Color Specifies alignment to color mode when printing in color. quality, paper type, etc.
  • Page 73 4. Print • [User Authentication] Panel • [Secure Print] Panel Item Description Item Description Job Type Specifies the job type. [Job Type Option] can be used if [Shared Print] Use User Authentication Select this check box if you set user authentication when printing. or [Private Print] is selected.
  • Page 74 4. Print • [Supply Levels] Panel Item Description Consumables Displays the remaining amount of consumables. - 74 -...

  • Page 75: Names And Functions Of Screen Items For Print

    4. Print Names and Functions of Screen Items for Print Item Description Stationary button area Displays buttons that appear on the screen at all times. Title and operation guide area Displays the title of the current screen and provides guide for possible Item Description operations.

  • Page 76: Maintenance

    Maintenance Replacing Consumables Cleaning Each Part of the Machine...

  • Page 77: Replacing Consumables

    5. Maintenance Replacing Consumables Cautions When Replacing Consumables This category describes how to replace toner cartridges and image drums. Observe the following cautions when replacing. For other consumables, see the Advanced Manual. • Cautions When Replacing Consumables • Replacing the Toner Cartridges •...

  • Page 78: Replacing The Toner Cartridges

    • Toner powder may spill if you remove a toner cartridge before the toner runs out. • Use Oki Data genuine consumables to ensure optimum performance of the products. • Charges for services for problems caused by the use of consumables other than Oki data genuine consumables are Prepare new toner cartridges.
  • Page 79 5. Maintenance Identify an empty toner cartridge by its label color. Unpack a new toner cartridge. Pinch the tip of blue lever (b) of the toner cartridge and turn it toward you until the tip aligns on the lug of the cartridge. Shake the cartridge several times vertically and horizontally.
  • Page 80 5. Maintenance Hold the cartridge, pinch the tip of blue lever (b) of the toner cartridge, and turn forward until the tip aligns on the lug of the cartridge. Do not insert a toner cartridge without removing the tape. If the toner cartridge is not securely attached, printing quality may deteriorate. Wipe the lens of the LED head with a soft tissue paper lightly.

  • Page 81: Replacing The Image Drum

    • Use Oki Data genuine consumables to ensure optimum performance of the products. • Charges for services for problems caused by the use of consumables other than Oki data genuine consumables are incurred, regardless of the warranty or in the maintenance contract. (Although use of non-genuine consumables does not always result in problems, use extra care when using them.)
  • Page 82 5. Maintenance Hold the cartridge, pinch the tip of blue lever (c) of the toner cartridge, and turn it toward you until the tip aligns on the lug of the cartridge. You can set when to display the "[COLOR] Image Drum Near Life" message. Press [Device Setting] > [Admin Setup] >...
  • Page 83 5. Maintenance Remove the toner cover. Hold the cartridge, pinch the tip of blue lever (g) of the toner cartridge, and turn forward until the tip aligns on the lug of the cartridge. Insert the toner cartridge (d) removed in step 6 by aligning its left side indentation (e) with the protrusion (h) on the image drum so that the toner cartridge and image drum color label align.

  • Page 84: Replacing The Image Drum And Toner Cartridge At The Same Time

    5. Maintenance Close the output tray (a) slowly and push the center of the output tray for Replacing the Image Drum and Toner Cartridge at the Same confirmation. Time This section describes how to replace the image drum and toner cartridge with new ones at the same time.
  • Page 85 5. Maintenance Remove the toner cover. While removing consumables, be careful not to hit them to the LED head. Unpack a new toner cartridge. Possible to get burned. Do not throw used image drum and toner cartridge in the fire. They may explode, and Shake the cartridge several times vertically and horizontally.
  • Page 86 5. Maintenance Insert a new toner cartridge (d) by aligning its left side indentation (e) with the Check a label color of a new image drum and place the drum into the machine. protrusion (f) on the image drum so that the toner cartridge and image drum color label align.

  • Page 87: Cleaning Each Part Of The Machine

    5. Maintenance Cleaning Each Part of the Machine Cleaning the LED Head • Cleaning the LED Head Clean the LED head if vertical white lines appear, images are faded, or the periphery of letters are smudged in the printouts. • Do not use solvents, such as methyl alcohol or thinners, because they may damage the LED head. •...
  • Page 88 5. Maintenance Wipe the four lenses of the LED heads with a soft tissue paper lightly. Close the output tray (a) slowly and push the center of the output tray for confirmation. - 88 -...

  • Page 89: Troubleshooting

    Troubleshooting If Paper Jams Occur Print Problems If an Error Message is Displayed on the Operator Panel...

  • Page 90: If Paper Jams Occur

    6. Troubleshooting If Paper Jams Occur If the Error Code is "370", "371", "372" • If the Error Code is "370", "371", "372" Press the button (A) and open the output tray (a) completely. • If the Error Code is "380", "381", "382", "385", "389" •...
  • Page 91 6. Troubleshooting Cover the removed image drums with paper so that the image drums are not Tilt back the lock levers on the both sides of the fuser unit toward you. exposed to light. Pull out the jammed paper gently to the rear of the machine (the direction of the arrow) if an edge of jammed paper can be seen.
  • Page 92 6. Troubleshooting Tilt back the lock levers on the both sides of the belt unit toward you and Hold the lock levers of belt unit and place the belt unit into the machine. remove the belt unit by holding the lock levers. Remove the jammed paper slowly by pulling the edge of paper.
  • Page 93 6. Troubleshooting Hold the fuser unit handle and place the fuser unit into the machine. Replace the four image drums into the machine Close the output tray (a) slowly and push the center of the output tray for confirmation. Tilt the lock levers on the both sides of the fuser unit. Task is complete.

  • Page 94: If The Error Code Is "380", "381", "382", "385", "389

    6. Troubleshooting Cover the removed image drums with paper so that the image drums are not If the Error Code is "380", "381", "382", "385", "389" exposed to light. Press the button (A) and open the output tray (a) completely. Possible to get burned.
  • Page 95 6. Troubleshooting Tilt back the lock levers (c) on the both sides of the fuser unit toward you. If jammed paper remains in the machine, hold the both sides of the paper to remove it gently. Hold the fuser unit (e) handle and lift the fuser unit out of the machine. Hold the fuser unit (e) handle and place the fuser unit into the machine.
  • Page 96 6. Troubleshooting Tilt the lock levers (c) on the both sides of the fuser unit. Close the output tray (a) slowly and push the center of the output tray for confirmation. Put all four image drums back into the machine. Task is complete.

  • Page 97: If The Error Code Is "390

    6. Troubleshooting If the Error Code is "390" While removing consumables, be careful not to hit them to the LED head. If paper is loaded on the MP tray (a), remove the paper. Cover the removed image drums with paper so that the image drums are not Press the button (A) and open the output tray (a) completely.
  • Page 98 6. Troubleshooting Put all four image drums back into the machine. Task is complete. Close the output tray (a) slowly and push the center of the output tray for confirmation. When loading paper on the MP tray, load the paper with the print side face up. - 98 -...

  • Page 99: If The Error Code Is "391", "392", "393

    6. Troubleshooting Push the tray back into the machine. If the Error Code is "391", "392", "393" A paper jam has occurred while feeding paper from a paper tray. If paper jams occur frequently, clean the paper feed rollers. For details, refer to "Cleaning the Paper Feed Rollers (Tray 1/Tray 2/Tray 3) (Advanced Manual)".

  • Page 100: If The Error Code Is "409

    6. Troubleshooting Close the output tray (a) slowly and push the center of the output tray for If the Error Code is "409" confirmation. Close the rear output tray. Press the button (A) and open the output tray (a) completely. Task is complete.
  • Page 101 6. Troubleshooting If paper jams in the fuser unit, press the jam release lever on the fuser unit and slowly pull the jammed paper toward you. While removing consumables, be careful not to hit them to the LED head. Cover the removed image drums with paper so that the image drums are not Tilt back the lock levers on the both sides of the fuser unit toward you.
  • Page 102 6. Troubleshooting Hold the fuser unit handle and lift the fuser unit out of the machine. Remove the jammed paper slowly by pulling the edge of paper. Tilt the lock levers on the both sides of the belt unit toward you and remove the belt unit by holding the lock levers.
  • Page 103 6. Troubleshooting Turn forward the lock levers on the both sides of the belt unit. Put all four image drums back into the machine. Hold the fuser unit handle and place the fuser unit into the machine. Close the output tray (a) slowly and push the center of the output tray for confirmation.

  • Page 104: Print Problems

    The machine is not set as the default Set the machine as the default printer. printer. Right-click the OKI C542 icon on the [Devices and Printers] folder, and then select [Set as Default Printer] (if multiple drivers are installed, select [OKI C542*]).
  • Page 105 6. Troubleshooting Cause Solution Reference The machine is processing data from Wait until printing is complete. another interface. [Received invalid data] is displayed on Press [Device Settings], select [Admin the touch panel and the machine does Setup] > [Print Setup] > [Print menu] > not print.

  • Page 106: If An Error Message Is Displayed On The Operator Panel

    6. Troubleshooting If an Error Message is Displayed on the Operator Panel Error Message List If an error occurs in this machine, an error message and/or an error code (a 3-digit number) Wait a moment. Network initializing ... is displayed on the touch panel and (STATUS) on the operator panel blinks or lights up.
  • Page 107 6. Troubleshooting Wait a moment. Executing maintenance. Image Drum Near Life. The programs on the machine are being updated. The image drum indicated on the screen is near life. Have a new image drum ready. Do not turn the machine off until the update completes. C: Cyan (blue), M: Magenta (red), Y: Yellow, K: Black The machine automatically restarts after the update completes.
  • Page 108 6. Troubleshooting [TRAY] empty. Flash Error No paper is loaded in the indicated tray. Load paper. An error has occurred when firmware was being updated. Contact the administrator. File System is full. Invalid print data received. Memory in the file system is full. Delete unnecessary files.
  • Page 109 6. Troubleshooting Message data written OK. Toner empty. Replace with new Toner Cartridge. Error: 410, 411, 412, 413 Messages to be displayed on the machine are now updated. The indicated cartridge ran out of toner. Turn the machine off, and then back on. Opening and closing the output tray can resume printing for a while, but it may damage the image drum.
  • Page 110 6. Troubleshooting Paper Size Error. Reset Paper in [TRAY]. Error: 400 Image Drum Life. Please install new Image Drum Unit. Error: 560, 561, 562, 563, 564, 565, 566, 567 Paper size error has occurred in the indicated tray. Make sure that the size of paper loaded in the tray matches the [Paper Size] setting set on the operator panel.
  • Page 111 6. Troubleshooting Image Drum not properly installed. Check Image Drum. Error: 340, 341,342, 343 SMTP Auth. Unsupported The indicated image drum is not installed correctly. The SMTP server does not support the authentication system. Remove and re-install the image drum. Check the network settings.
  • Page 112 6. Troubleshooting Restricted access error Data deleted due to printing restrictions. Process has been canceled by a device error. After maintenance or change of the device, please try again. A print job was deleted due to an unauthorized user. Contact your administrator for printing. Processing data was cancelled because an error occurred on the device.
  • Page 113 6. Troubleshooting File loading from USB. Wireless startup failed. Data is being read from USB Memory. Restart the machine. If the error persists, contact your dealer. Press the Stop button to cancel reading. Firmware Update Error Please try again. If network doesn't work, please try firmware Image Drum Sensor Error.
  • Page 114 6. Troubleshooting Receiving data timeout. Cannot print because your Summary Account balance is 0. User name for Printing: [USERNAME] Summary Account Name for Insufficient Balance: [ACCOUNTNAME] Data could not received within a certain period of time. To continue the print job, increase the balance and select [Start].To increase the balance, please contact the device administr.

  • Page 115: Management/Specifications

    Management/Specifications Changing the Administrator Password Saving Power Consumption with the Power Save Function Specifications This section describes how to manage the machine and its specifications.

  • Page 116: Changing The Administrator Password

    7. Management/Specifications Changing the Administrator Password It is recommended to change the administrator password to protect your security. Set the administrator password using from 6 to 12 alphanumeric characters. Be careful not to forget the set password. Press [Device Settings] on the touch panel. Press several times and press [Admin Setup].

  • Page 117: Saving Power Consumption With The Power Save Function

    7. Management/Specifications Saving Power Consumption with the Power Save Setting the Length of Idle Time Before Entering Power Save Function Mode The machine has three Power Save modes: Power Save, Sleep, and Deep Sleep. Press [Device Settings] on the touch panel. In Power Save mode, the display screen turns off and the power saving indicator lights up or Press several times and press [Admin Setup].

  • Page 118: Setting The Length Of Idle Time Before Entering Sleep Mode

    7. Management/Specifications Setting the Length of Idle Time Before Entering Sleep Mode Restrictions in Power Saving Function The machine does not enter Sleep mode in the following case. Press [Device Settings] on the touch panel. • When an error occurs on the machine Press several times and press [Admin Setup].

  • Page 119: Automatically Turning The Machine Off (Auto Power Off)

    7. Management/Specifications • MIB* Automatically Turning the Machine Off (Auto Power Off) *References with some supported MIB (the Get command) are possible in Deep Sleep The machine equipped with the Auto Power Off function which automatically turns the power mode. off if the machine is left unoperated for a certain period of time.

  • Page 120: Setting The Length Of Idle Time Before Auto Power Off Works

    7. Management/Specifications Setting the Length of Idle Time Before Auto Power Off Works Press [Device Settings] on the touch panel. Press several times and press [Admin Setup]. Enter the administrator name and password and press [OK]. The factory default administrator name and password are "admin" and "999999" respectively.

  • Page 121: Specifications

    7. Management/Specifications Specifications General Specifications • General Specifications Item C542/ES5442 • Printing Specifications MF2 667MHz • Network Specifications Memory DDR3 32bit 1GB • Wireless LAN Specifications (Option) Weight (including consumables) approx. 24 kg Dimensions (W x D x H) 427 x 571 x 279 mm...

  • Page 122: Printing Specifications

    7. Management/Specifications Item C542/ES5442 Printing Specifications Paper loading capacity • Tray 1 250 sheets (less than 80 g/m ), total thickness 30 mm or lower. Item C542/ES5442 • MP tray 100 sheets (less than 80 g/m ) and total thickness 10 mm or lower,...

  • Page 123: Network Specifications

    7. Management/Specifications Network Specifications Wireless LAN Specifications (Option) Item C542/ES5442 Item C542/ES5442 Interface Ethernet 10BASE-T/100BASE-TX/1000BASE-T, IEEE802.11 a/b/g/n Wireless Wireless LAN standard IEEE802.11a/b/g/n conformity (2.4 GHz / 5 GHz) Security Disable, WEP, WPA-PSK, WPA2-PSK, WPA-EAP, WPA2-EAP Protocol TCP/IPv4, TCP/IPv6, NetBIOS over TCP, LPR, Port9100, IPP, FTP, HTTP,...
  • Page 124 7. Management/Specifications cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of this device. Le présent appareil est conforme aux la partie 15 des règles de la FCC et CNR d'Ubdustrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) I'appareil ne doit pas produire de brouillage, et (2) I'utilisateur de I'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.

  • Page 125: Contact Us

    1168/81-82 Lumpini Tower, N-1081 Oslo Tel: +43 223 6677 110 Váci út 76 Oki Systems Ireland Limited - Oki Data de Mexico, S.A. de C.V. 27th Floor Rama IV Road Service-Hotline: Hungary Northern Ireland Tel: +47 (0) 63 89 36 00...
  • Page 126 46472602EE Rev1...

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