Epson L365 Service Manual page 10

L365/L366,L360/L362,L310/L312,L220/L222,L130/L132 Series
Start
*1
Turn on the power
No
Does printer turn on the
power?
Yes
No
Is Power-on sequence
1
finished without error?
Yes
Standby condition
Print check pattern
No
Does an error occur
when printing?
Yes
No
Is printing operation
finished without trouble?
Yes
Copy an image
No
Is scanning operation
finished without trouble?
Scanner failure
Yes
[Presumable Cause]
• Contamination of Scanner Glass
• Contamination of Document Pad
• CIS Unit bonding failure
• CIS Unit damage
• Scanner Motor damage
• Insufficient grease
[Major Troubleshooting]
• Scanner Glass cleaning
• Document Pad cleaning
• Document Pad replacement
• CIS Unit replacement
• Scanner Motor replacement
• Lubrication of grease
*3
Finish
Troubleshooting
1
Fatal error
Please refer to " 1.3 Fatal Error Code
List (p13)".
Major problem without
error message
*2
No Power
[Presumable Cause]
• PS Unit damage
• Main Board damage
[Major Troubleshooting]
• PS Unit replacement
• Main Board replacement
Major problem without error message
Poor Printing
[Phenomenon]
• Poor printing quality
• Ink stain on paper
• Dot missing
• Paper eject without printing
[Presumable Cause]
• Driver / Panel mis-setting
• Contamination of CR scale
• Contamination of Printhead
cover
• Printhead damage
• Ink clogging of Printhead
• Contamination on Cap Unit /
Wiper of Ink System Assy
• Ink System Assy damage
• Float of Porous Pad on Paper
Guide Front
• Narrower/Wider PG
(out of standard)
• PE Sensor Lever damage
• PE Sensor damage
• Ink tank ventilation film gets
wet.
[Major Troubleshooting]
• Driver / Panel re-setting
• CR Scale replacement
• Printhead cover cleaning
• Printhead cleaning
• Ink Cartridge replacement
• Printhead replacement
• Rubber cleaning of Cap Unit
• Ink System Assy replacement
• Porous Pad re-installation
• Printer replacement
• PE Sensor Lever replacement
• PE Sensor replacement
(Main Board replacement)
• Ink tank replacement
Major problem with error message
Incomplete Initial Ink Charge Maintenance error
[Occurrence Condition] [Occurrence Condition]
Ink LED is ON and STM This error occurs when
indicates "Initial ink charging is maintenance counter in EEPROM
not complete". exceeds the specified value.
[Major Occurrence Timing] [Major Occurrence Timing]
Print start timing. • Power-on timing
• Print start timing
[Troubleshooting] • Cleaning timing
Perform initial ink charge • Ink Cartridge replacement
timing
[Troubleshooting]
• Porous Pad replacement &
Maintenance counter reset
Paper Jam error
[Occurrence Condition]
This error occurs when top/
bottom of paper is not detected by
PE Sensor in the specified steps of
paper loading / ejecting operation
correctly.
[Major Occurrence Timing]
• Power-on timing
• Paper loading timing
• Paper eject timing
[Major Troubleshooting]
Poor Paper Loading
1 Perform paper eject operation
from operation panel.
[Presumable Cause] • Success
• Use of 3rd party media Starts paper feeding
operation again if printer has
• Edge guide mis-setting
• Foreign material print data.
• Part come-off • Fail
• Contamination of LD Roller or Occurs paper jam error
again.
PF roller
2 If fail in the above 1, remove
[Major Troubleshooting] the paper by opening Scanner
Unit.
• Recommendation of EPSON
media 3 Perform paper eject operation
• Edge guide re-setting from operation panel again.
• Success
• Foreign material removal
• Part re-installation Starts paper feeding
• Roller replacement operation again if printer has
print data.
• Fail
Abnormal Noise Occurs paper jam error
again.
4 If fail in the above 3, check
[Presumable Cause]
foreign material / part come-
• Foreign material
off / PE Sensor Lever / PE
• Insufficient grease
Sensor / Porous Pad on Paper
• Gear damage
Guide Front / Main board.
[Major Troubleshooting]
• Foreign material removal
• Lubrication of grease
• Gear replacement
Blank printing
[Phenomenon]
Blank printing
[Presumable Cause]
• Ink tank ventilation film gets
wet
• Ink rumples
• Ink onnection is incomplete.
[Major Troubleshooting]
• Ink tank replacement
• Ink tube re-installation
Troubleshooting Workflow
Ink End error Paper Jam Fatal error
[Occurrence Condition] [Occurrence Condition]
This error occurs when ink This error occurs when CR Unit is
counter reaches ink end level. blocked by jammed paper.
[Major Occurrence Timing] [Major Occurrence Timing]
• Power-on timing • Power-on timing
• Print start timing
• Cleaning timing [Major Troubleshooting]
• Remove jammed paper
[Troubleshooting]
• Refill ink and reset ink counter [NOTE]
by panel. On this product, if CR Unit
touches jammed paper, CR Unit
moves back in the opposite
direction so that customer can
remove the paper. However, if CR
Unit cannot move in this
sequence, this error occurs.
No Paper error Double Feed error
[Occurrence Condition] [Occurrence Condition]
This error occurs when top of When manual duplex printing is
paper can not be detected selected using the printer driver,
correctly by PE Sensor in the this error occurs if the actual
specified steps up to completion paper length detected by PE
of the paper loading operation. Sensor does not match with the
(No paper / No loading / large paper length specified in the
paper skew) printer driver. (The error occurs
when the actual length is longer
[Major Occurrence Timing] than the theoretical length
• Paper loading timing specified in the driver.)
[Major Troubleshooting] [Major Occurrence Timing]
1 Set paper in ASF and perform • Paper loading timing
paper feed operation. • Paper eject timing
2 If the paper stops before
reaching PE Sensor, remove it [Troubleshooting]
and check the paper condition. • PE Sensor Lever replacement
3 A) If paper is OK, set paper in • PE Sensor replacement
ASF and move edge guides to (Main Board replacement)
appropriate position, and • Main Board replacement
perform 2 again.
B) If damage in the above 2, [NOTE]
check foreign materials / This error may occur in the
parts come-off / parts manual duplex printing if the
transformation in paper inverted sheet printed on the first
path. side sticks to the second sheet
4 If not resolved by 3-A & 3-B, when the first side printing is
check foreign material / Part complete and the sheet is inverted
come-off / surface condition of and set to ASF to print on the
LD Roller or PF Roller / PE other side.
Sensor Lever / PE Sensor /
Main Board / PF Motor.
*1: If the Hopper of ASF on the returned product touches the LD Roller, the initial ink charge has
not been completed for the product yet.
*2: If the printer can turn on but turns off right away, the protection circuit may cut off the power
due to an error such as a circuit failure.
*3: In case of "Not Trouble Found", check fatal error code.
If the reason for the return is evident, first check the phenomenon user
claims recurs, then proceed to the troubleshooting.
This flowchart is compiled based on the following contents.
• Our experience regarding the quality problem.
• ESK's repair data.
• Printer Mechanism specification for the product.
Revision A
Paper Size Unmatch error
[Occurrence Condition]
This error occurs if the actual
paper length detected by PE
Sensor does not match with the
paper length specified in the
printer driver. (The error occurs
no matter when the actual length
is longer or shorter than the
theoretical length specified in the
driver.)
[Major Occurrence Timing]
• Paper eject timing
[Troubleshooting]
• PE Sensor Lever replacement
• PE Sensor replacement
(Main Board replacement)
• Main Board replacement
10
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