Epson WF-7620 Series Service Manual page 11

Epson WF-7620 / WF-7610 / WF-7110 Series
The power-on Error is indicated during
1 2
sequence does not power-on sequence
start (p 10)
* Fatal error
No Power
Please refer to " 1.3 Fatal Error [Occurrence Condition]
[Presumable Cause]
Code List (p15)"for This error occurs when
• Power Supply Unit
troubleshooting. maintenance counter in
damage
EEPROM exceeds the specified
• Main Board damage
value.
• Panel Unit damage
[Major Occurrence Timing]
• Power-on timing
[Major Troubleshooting]
• Print start timing
• Power Supply Unit
• Paper eject timing
replacement
• Cleaning timing
• Main Board
• Ink cartridge replacement
replacement
timing
• Panel Unit replacement
[Major Troubleshooting]
* : If the printer can turn on but turns
• Replace Maintenance Box
off right away, the protection
• Paper Guide Lower Porous
circuit may cut off the power due Pad replacement
• Maintenance counter reset
to an error such as a circuit
(only Paper Guide Lower
failure.
Porous Pad)
3
Error is indicated during printing nozzle check pattern
Paper Jam error No Paper error
[Occurrence Condition] [Occurrence Condition]
This error occurs when top/bottom of This error occurs when top of
paper is not detected by PE Sensor in the paper is not detected by PE Sensor
specified steps of paper feeding in the specified steps of paper
operation correctly. loading operation correctly.
[Major Occurrence Timing]
[Major Occurrence Timing]
• Power-on timing
Paper loading timing
• Paper loading timing
• Paper eject timing
[Major Troubleshooting]
• Duplex print timing
1 Put paper in cassette and push
"START" button.
[Major Troubleshooting]
2 If a paper stops before reaching
1 remove the jammed paper by opening
PE Sensor, remove it and
Scanner Unit or Printer Cover.
check the paper condition.
2 Push "Start" button.
3 A) If no damage on the paper, set
3 If not resolved by 2), check the
edge guide correctly after
following.
• Foreign material, bits of paper putting paper in cassette and
push "PRINT" button again.
• Part come-off
B) If damage on the paper, check
• PE Lever
• PE Sensor foreign materials / parts come-
off / parts transformation in
• Float of Paper Guide Front Porous
paper path.
Pad
4 If not resolved by 3-A) & 3-B),
• Main Board
check the following.
• PW Sensor
• Pickup Roller
• Duplex Unit
[NOTE]
* If an error occurs during printing, the • PE Sensor
• Main Board
page where the error occurred is skipped
• PF Motor
and the printing resumes from the next
page. • Casette Assy
* If an error occurs during duplex
printing, the following are performed.
• If an error occurs during the front
face of duplex printing, the page
where the error occurred and the
next page are skipped and the
printing resumes from the page
after the next.
• If an error occurs during the back
face of duplex printing, the page
where the error occurred is skipped
and the printing resumes from the
next page.
Appendix
(p 10)
Maintenance error No Maintenance Box error Maintenance Box detection
[Occurrence Condition]
This error occurs when [Occurrence Condition]
Maintenance Box is not installed.
This error occurs when
Maintenance Box data is incorrect
[Major Occurrence Timing]
or it is not recognized correctly.
• At power-on
• Maintenance Box monitoring
[Major Occurrence Timing]
timing
• Power-on timing
• Maintenance Box replacement
[Major Troubleshooting]
timing
Turn the printer off once and
• Maintenance Box monitoring
install Maintenance Box again, timing
and turn the power on.
[Major Troubleshooting]
• Remove and reinstall
Maintenance Box
• Maintenance Box replacement
• Relay Board CSIC Terminal
replacement
• Relay Board Assy replacement
• Relay Board FFC replacement
• Main Board replacement
(p 10)
Double Feed error No Paper Cassette error
[Occurrence Condition] [Occurrence Condition]
This error occurs on the following This error occurs if one of the
cases. cassettes is not installed.
• A paper is ejected without
printing during paper loading [Major Occurrence Timing]
operation. Paper loading timing
• Actual paper length is longer (Front loading)
than theoretical one.
[Major Troubleshooting]
[Major Occurrence Timing] Install the Cassette Assy.
Paper loading timing
[Major Troubleshooting]
• PE Lever replacement
• PE Sensor replacement
• PW Sensor replacement
• Main Board replacement
[NOTE]
This error occurs only for manual
duplex print.
Ink End error Ink cartridge detection error
error
[Occurrence Condition] [Occurrence Condition]
This error occurs when ink in Ink This error occurs when Ink
cartridge is empty. cartridge data is incorrect or Ink
cartridge is not recognized
[Major Occurrence Timing] correctly.
• Power-on timing
• Print start timing [Major Occurrence Timing]
• Print timing • Power-on timing
• Cleaning timing • Print start timing
• Ink cartridge replacement • Cleaning timing
timing • Ink cartridge replacement
timing
[Major Troubleshooting]
Ink cartridge replacement [Major Troubleshooting]
• Remove and reinstall Ink
[NOTE] cartridge.
If an error occurs during • Ink cartridge replacement
printing, the page where the error • CSIC Terminal replacement
occurred is skipped and the • CR Contact Module
printing resumes from the next replacement
page. • Head FFC replacement
• Main Board replacement
Paper Size Unmatch error Manual Tray No Paper error
[Occurrence Condition] [Occurrence Condition]
This error occurs when actual When printing from Manual Tray
paper size is not matched to (MSF unit), this error occurs if
theoretical one. paper is not loaded at the time of
data transmission.
[Major Occurrence Timing]
• Duplex print timing [Major Occurrence Timing]
• FAX data print timing Paper loading timing
(Rear loading)
[Major Troubleshooting]
1 Put correct sized paper in [Major Troubleshooting]
cassette, and push "START" • Put paper in the Manual Tray
button. (MSF unit).
2 If not resolved by step 1), • PE Sensor replacement
check the following points. • PW Sensor replacement
• PE Lever • Main Board replacement
• PE Sensor
• PW Sensor
• Main Board
Figure 1-2. Troubleshooting Workflow (2)
Troubleshooting Workflow
No Ink cartridge error Cover open error
[Occurrence Condition] [Occurrence Condition]
This error occurs when Ink This error occurs when Scanner
cartridge is not installed. Unit (Printer Cover) is open.
[Major Occurrence Timing] [Major Occurrence Timing]
At power-on • At power-on
• During printing
[Major Troubleshooting]
Install Ink cartridge [Major Troubleshooting]
• Close Scanner Unit (Printer
Cover) replacement
• Scanner Unit (Printer Cover)
replacement
• Cover Open Sensor
replacement
• Main Board replacement
Manual Feed Request error Excessive Manual Feed Error
[Occurrence Condition] [Occurrence Condition]
This error occurs if the printer This error occurs when the PE
cannot receive the manual feed Sensor detects paper before
request. manual feed or when paper is
inserted too much.
[Major Occurrence Timing]
Paper loading timing [Major Occurrence Timing]
(Rear loading) Print start timing (Rear loading)
[Major Troubleshooting] [Major Troubleshooting]
• Send the print data. • Eject paper with panel
• Main Board replacement operation, and load paper
again.
• Main Board replacement
• PE Sensor replacement
• PE Lever replacement
Revision B
Paper Jam error CR Fixing Tape error
Please refer to " Paper Jam [Occurrence Condition]
error". This error occurs if a paper jam
occurs during the power-on
sequence before initial ink
charge.
[Major Occurrence Timing]
Power-on timing
(before initial ink charge)
[Major Troubleshooting]
Open the scanner unit and
remove the CR fixing tape.
Insufficient Manual Feed
error
[Occurrence Condition]
This error occurs during manual
feed if the PE Sensor detects
paper but the paper is not fed by
auto loading.
[Major Occurrence Timing]
Print start timing (Rear loading)
[Major Troubleshooting]
Eject paper with panel operation,
and load paper again.
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