All information in this manual is subject to change without prior notice. Therefore, you must check the correspondence of your manual with your machine. No part of this manual may be copied or reproduced in any form or by any means, without the prior written consent of BIXOLON Co., Ltd. - 4 -...
SRP-E770III 1. Precaution Statements 1-1 Safety Precautions 1. Be sure that all of the built-in protective devices are replaced. Restore any missing protective shields. 2. When reinstalling the chassis and its assemblies, be sure to restore all protective devices including: nonmetallic control knobs and compartment covers.
SRP-E770III 1-2 Servicing Precaution WARNING 1: First read the Safety Precaution section of this manual. If some unforeseen circumstance creates a conflict between the servicing and safety precautions, always follow the safety precaution. WARNING 2: An electrolytic capacitor installed with the wrong polarity might explode.
SRP-E770III 1-3 Precaution for Electrostatically Sensitive Devices (ESDs) 1. Some semiconductor (solid state) devices are easily damaged by static electricity. Such components are called Electrostatically Sensitive Devices (ESDs); examples include integrated circuits and some field- effect transistors. The following techniques will reduce the occurrence of component damaged caused by static electricity.
SRP-E770III 2. Operating Instruction and Installation 2-1 Installation 2-1-1 SMPS Installation 1) Turn off the printer power switch. 2) Check to see that the AC adapter voltage matches that of the power source. 3) Connect the AC adapter jack to the printer power connector.
SRP-E770III 2-1-4 Interface Cable Installation(Ethernet Model) 1) Turn off the power switch. 2) Connect the communication cable to the printer communication port to be used. - Connect the LAN(Ethernet) Cable to the ETHERNET port.(This port requires a UTP cable(CAT5 or higher) less than 3.0m long.) - Connect USB B-Type cable to the USB port.
SRP-E770III 2-2 Operations 2-2-1 Using the operation panel Feed button Paper feed or cancel the print job. The current printer status can be viewed. (Refer to below) The current printer status can be viewed via the printer’s LED display. 1) Green LED on - The printer waits for the data from Host (PC) in normal mode.
SRP-E770III 2-2-3 Self-Test The self-test checks whether the printer has any problems. (Users cannot perform this procedure if using the printer’s label peel-off option.) If the printer does not function properly, contact an authorized dealer. The self-test checks the following;...
SRP-E770III 2-2-6 Factory Reset This function is used to reset the printer settings to factory default setting. How to reset the printer 1) Depress the feed button for two seconds during print standby mode. 2) LED will change to orange color and release the feed button.
Users can calibrate sensor parameters in detail by using the utility program provided by the manufacturer. Unified Label Utility-II installation files and manuals are provided on the BIXOLON official website. (http://www.bixolon.com) Please refer to Unified Label Utility-II manual for details.
SRP-E770III 2-2-10 Data Dump Mode This function can be used to diagnose the communication issues when the printer does not work correctly. In this mode, the received data are not analyzed and printed, instead they are dumped in hex format without processing.
SRP-E770III 4) Remove the paper and insert the paper through the slot. 5) Adjust the paper guides and close the cover. ( O ) ( X ) 2-2-12 Using Fan-Fold Paper Supplying paper to the printer externally is done as follows.
SRP-E770III 2) Adjust Paper Holders to the paper width by using the Fix Tool. Fix Tool Paper 3) Adjust Paper Guides and close the Paper Cover until a click sound is heard. Paper Guide 2-2-13 Firmware Download There are two ways to download firmware.
SRP-E770III 3-1-3 Feature Locations Feed Button Power Switch Cover Lever Printer Head Paper Cover Paper Gap Sensor Paper Holder Paper Guide Cover STD - 18 - Ver. 1.01...
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SRP-E770III Fan-Fold Power Jack USB B-Type USB B-Type Label Peel-off(Option) Figure3-3 Feature Location - 19 - Ver. 1.01...
SRP-E770III 3-3-4 Paper Specifications Item Description Remark Paper Type Direct Thermal Paper Form Gap, Black Mark, Continuous, Fan-Fold, Notch Liner : 38.1~106 ±0.5mm Paper Width Label : 104 ±0.5mm Max Φ130mm (5.1 in) Paper Roll Size Φ25.4mm (1.0 in) ~ Φ38.1mm (1.5 in) Spool Inside Dia.
SRP-E770III 3-4 SMPS Specifications 3-4-1 SMPS (Switching Mode Power Supply) Specifications Item Description Remark Typical : 100V/240V AC : 100V AC Input Voltage : 264V AC Max 1.5A, @100~240V AC Input Input Current +24V ± 5% Initial Tolerance with no load Output Voltage +24V ±...
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SRP-E770III 4) Signal Description Signal Name Signal Direction Function Frame GND Frame Ground Output Transmit Data Input Receive Data Ready To Send Output Ready to exchange data Input Clear To Send Output Data Terminal Ready(Almost same function as RTS) Input...
Function White Orange Transmit + Orange Transmit - White Green Receive + Blue White Blue Green Receive - White Brown Brown * For more information, refer to the Ethernet User Manual in Bixolon Web Site. - 27 - Ver. 1.01...
SRP-E770III 3-5-3 USB interface 1) Specifications Item Description Remark • BULK Transfer Type • Bidirection, Half-Duplex Data Signal • Differential Signal Pair (D+ / D-) • NRZI Format Data Format • Zero Bit Stuffing after 6 ones • Differential Receive Sensitivity : 200 mV •...
SRP-E770III 4. Hardware 4-1 Wiring Diagram POWER ADAPTOR HOST HOST HOST SERIAL ETHERNET JACK ECN3 CN12 CN11 THERMAL HEAD CONTROL PANNEL MAIN CIRCUIT BOARD UNIT SRP-E770III PAPER FEED MOTOR CN10 SENSOR PEEL COVER OPEN/CLOSE DOWN - 29 - Ver. 1.01...
SRP-E770III 4-3 Special Circuit Description 4-3-1 Power Circuit This system is operated under 100Vac or 240Vac. The power circuit supplies the three differential DC voltage sources. VOLTAGE DESCRIPTION VDD_24V (+24VDC) Step Motor Voltage, Thermal Printer Head (TPH) Voltage VDD_3V3 (+3.3VDC) CPU I/O, NAND Flash, LOGIC Etc.
SRP-E770III 4-3-2 Reset Circuit Reset signal is a signal in order to start-up CPU under Power-On. Reset circuit uses a reset IC(XC6127N27C, U24). When +3.3Vdc is fallen under +2.7Vdc by Power-Off, reset signal prohibits the system from misoperating by lowering down to 0V.
SRP-E770III 4-3-3 RS232C Communication Block Diagram The CPU and RS-232C driver (ST3232) are used for serial communication. 1) RS232C Communication block diagram ST3232 D-SUB9 Driver Female Figure 4-2 RS232C Communication Block 2) RS232C Communication waveform Transmit(Printer to Host) Host Busy...
SRP-E770III 4-3-4 Ethernet Communication Block Diagram The printer supports the Ethernet. The Network type is 10/100 Base-T All in one type. (Auto detection) Figure 4-4 Ethernet Communication Block Diagram 4-3-5 USB Communication Block Diagram The printer support the USB(Universal Serial Bus). The transfer type is the BULK.
SRP-E770III 4-3-6 Thermal Pinter Circuit First, the CPU sends a serial clock and serial data 832bits (104bytes) to the shift register of the TPH. Second, the CPU send a Latch signal to the TPH. Then the Data of both shift register#1 and #2 are moved to the Latch register.
SRP-E770III 5. Disassembly and Assembly 5-1 Case-Lower Block 5-1-1 Case Lower Block 1. Remove the five screws① ②. 2. Separate the ③~⑤ from the printer. Figure 5-1 Disassembly Case-Lower #1 - 36 - Ver. 1.01...
SRP-E770III 5-1-2 Main PCB Block 1. Remove the three Screws①. 2. Remove the connector wires④~⑨ from the PCB-Main②. 3. Separate the PCB Main② and sheet PCB③ from the Printer. 4. Remove the two Screws⑩. 4. Separte the Brkt-PCB⑪ from the PCB-Main②.
SRP-E770III 5-2 Lower Frame Block 5-2-1 Lower Frame Block 1. Move the Guide hinge①. 2. Separate the Lower-Frame Assembly② from the Case-Upper Assembly③. ① Guide hinge ② Lower- Frame Assembly ③ Case-Upper Assembly Figure 5-3 Disassembly Frame Lower #1 - 38 -...
SRP-E770III 5-2-2 Cover STD Block 1. Separate the Guide hinge② and Spring hinge③ from the Frame-Lower①. 2. Separate the Cover-STD④ from the Frame-Lower①. Figure 5-4 Disassembly Frame Lower #2 - 39 - Ver. 1.01...
SRP-E770III 5-2-3 Motor Assembly Block 1. Remove the Screw②,③. 2. Separte the Assy Brkt Motor⑨ from the Frame-Lower①. 3. Remove the two screws⑦ and Separate the Motor⑧. 4. Remove the two Washer④ and Separate the ⑤, ⑥ form the Brkt Motor Assembly⑨.
SRP-E770III 5-2-5 Paper Guide Block 1. Remove the two Screws②. 2. Separate the③~⑪ from the Frame-Lower①. 3. Remove the one Screw⑫ and the one Screw⑭. 4. Separate the⑬,⑮ from the Frame-Lower①. Figure 5-7 Disassembly Frame Lower #5 - 42 -...
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SRP-E770III 5-2-6 Paper Holder Block 1. Remove the one Screw② and four Screws③. 2. Separate the ④~⑧ from the Frame -Lower①. 3. Separate the Holder-Paper Fixed⑨ from the Holder-Paper R⑧. Figure 5-8 Disassembly Frame Lower #6 - 43 - Ver. 1.01...
SRP-E770III 5-3 Case Upper Block 5-3-1 Case Upper Block 1. Remove the four Screws① and two Screw②. 2. Separate the ③~⑥ from the Case-Upper⑦. Figure 5-9 Disassembly Case Upper #1 - 44 - Ver. 1.01...
SRP-E770III 5-3-2 Holder TPH Block 1. Remove the four Screws①. 2. Separate the Holder-TPH Assembly② from the Case-Upper③. Figure 5-10 Disassembly Case Upper #2 - 45 - Ver. 1.01...
SRP-E770III 5-3-3 TPH Assembly Block 1. Separate the TPH Assembly② from the Holder TPH①. 2. Remove the one Screw③ and separate the PCB Sensor-up④. 3. Separate the two Connectors Wire Head⑤ from the TPH⑥. 4. Remove the two Screws⑦. 5. Separate the Brkt TPH⑧ from the TPH⑥.
SRP-E770III 5-3-4 Lever Lock Block 1. Lift the Lever-Lock Assembly① from the Case-Upper②. 2. Separate the two Spring-TPH③ from the Case-Upper②. 3. Remove the two Screws④. 4. Separate the PCB-Feed⑤ from the Case-Upper②. 5. Separate the Connector Wire Feed⑥ from the PCB-Feed⑤.
SRP-E770III 6. Maintenance 6-1 Cleaning Head Printing quality might be degraded by dust, foreign substance, adhesive substance, or other pollution materials stuck in the printer head or inside the printer. When dirty, clean the print head as follows: ※ CAUTION - Make sure to turn the printer power off prior to cleaning.
SRP-E770III 6-2 Cleaning Sensors, Roller or/and Paper Path 1) Open the Paper Cover and remove the paper. 2) Remove any dust or foreign substance using dry cloth or cotton swab. 3) Soak the cloth or cotton swab in alcohol for medical use and use it to remove adhesive foreign substances or other pollution materials.
SRP-E770III 7. Troubleshooting This character describes the methods for troubleshooting in this Label Printer. • Troubleshooting flow chart When the source of the problem is not clear, use the flowchart to find and replace a defective component. • Troubleshooting tables Follow the steps outlined in these tables to repair a defect whose symptoms are known.
SRP-E770III 7-1-3 LED is red blink Turn off the power, then turn on the power Is label roll(paper) not insert? Replace or insert label(paper) roll Replace up gap sensor(down) ass’y Replace up gap sensor(up) ass’y Replace PCB-main ass’y - 52 -...
SRP-E770III 7-1-4 LED is orange blink Turn off the power, then turn on the power Is cover opened? Close cover Replace cover s/w ass’y Replace PCB-main ass’y - 53 - Ver. 1.01...
SRP-E770III 7-1-5 Self test is not normal Does not printer operate at all VH: +24V : +24V VCC: +3.3V Is output voltage of regulator on PCB-main within SPEC?(*1) Replace PCB-main ass’y Does not paper feeding? Replace Motor ass’y Dose print quality is deficient? Replace TPH ass’y...
SRP-E770III 7-5 Thermal Printer Head and Step Motor Problem Problem Control Signal Ok? (TP62,65,68,69) 1. Check the Control Signal on CPU (TPH_DI, TPH_LAT, TPH_STB1, TPH_STB2) 2. Check the Harness 3. Check the related Circuit & Pattern Power Ok? (TP58,64) 1. Refer to the “Power Problem”...
SRP-E770III 7-8 Ethernet Communication Problem - 62 - Ver. 1.01...
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It is strictly prohibited to copy, store, and transmit the whole or any part of the manual and any property of the product without the prior written approval of BIXOLON Co., Ltd. The information contained herein is designed only for use with this BIXOLON product.
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