Epson L565 Service Manual page 10

L565/L566 Series
Error is indicated during
The power-on
1 2
power-on sequence
sequence does not start
(p 9)
* Fatal error
No Power
Please refer to " 1.3 Fatal Error
[Presumable Cause]
Code List (p13)".
• PS Unit damage
• Main Board damage
[Major Troubleshooting]
• PS Unit replacement
• Main Board replacement
*: 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 Error is indicated during printing nozzle check pattern.
Paper Jam error No Paper error
[Occurrence Condition] [Occurrence Condition]
This error occurs when top/ This error occurs when top of
bottom of paper is not detected by paper can not be detected
PE Sensor in the specified steps of correctly by PE Sensor in the
paper loading / ejecting operation specified steps up to completion
correctly. of the paper loading operation.
(No paper / No loading / large
[Major Occurrence Timing] paper skew)
• Power-on timing
• Paper loading timing [Major Occurrence Timing]
• Paper eject timing • Paper loading timing
[Major Troubleshooting] [Major Troubleshooting]
1 Perform paper eject operation 1 Set paper in ASF and perform
from operation panel. paper feed operation.
• Success 2 If the paper stops before
Starts paper feeding reaching PE Sensor, remove it
operation again if printer has and check the paper condition.
print data. 3 A)If paper is OK, set paper in
• Fail ASF and move edge guides to
Occurs paper jam error appropriate position, and
again. perform 2 again.
2 If fail in the above 1, remove B)If damage in the above 2,
the paper by opening Scanner check foreign materials / parts
Unit. come-off / parts transformation
3 Perform paper eject operation in paper path.
from operation panel again. 4 If the problem is not solved by
• Success 3-A) & 3-B), check the
Starts paper feeding following.
operation again if printer has • Foreign object
print data. • Detached parts
• Fail • Surface condition of LD
Occurs paper jam error Roller or PF Roller
again. • PE Sensor Lever
4 Check the following if failed in • PE Sensor
Step 3. • Main Board
• Foreign object • PF Motor
• Detached parts
• PE Sensor Lever
• PE Sensor
• Porous Pad on Paper Guide
Front
• Main board
Troubleshooting
(p 9)
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]
• Power-on timing • Power-on timing
• Print start timing
[Troubleshooting] • Cleaning timing
• Perform initial ink charge
[Troubleshooting]
• Porous Pad replacement &
Maintenance counter reset
(p 9)
Double Feed error Paper Size Unmatch error
[Occurrence Condition] [Occurrence Condition]
When manual duplex printing is This error occurs if the actual
selected using the printer driver, paper length detected by PE
this error occurs if the actual Sensor does not match with the
paper length detected by PE paper length specified in the
Sensor does not match with the printer driver. (The error occurs
paper length specified in the no matter when the actual length
printer driver. (The error occurs is longer or shorter than the
when the actual length is longer theoretical length specified in the
than the theoretical length driver.)
specified in the driver.)
[Major Occurrence Timing]
[Major Occurrence Timing] • Paper eject timing
• Paper loading timing
• Paper eject timing [Troubleshooting]
• PE Sensor Lever replacement
[Troubleshooting] • PE Sensor replacement
• PE Sensor Lever replacement (Main Board replacement)
• PE Sensor replacement • Main Board replacement
(Main Board replacement)
• Main Board replacement
*This error may occur in the
manual duplex printing if the
inverted sheet printed on the first
side sticks to the second sheet
when the first side printing is
complete and the sheet is inverted
and set to ASF to print on the
other side.
Figure 1-2. Troubleshooting Workflow (2)
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 *On this product, if CR Unit
by panel. 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.
4 Problems related to print result or during printing
Poor Printing Poor Paper Loading
[Phenomenon] [Presumable Cause]
• Poor printing quality • Use of 3rd party media
• Ink stain on paper • Edge guide mis-setting
• Dot missing • Foreign material
• Paper eject without printing • Part come-off
• Contamination of LD Roller or
[Presumable Cause] PF roller
• Driver / Panel mis-setting
• Contamination of CR scale [Major Troubleshooting]
• Contamination of Printhead • Recommendation of EPSON
cover media
• Printhead damage • Edge guide re-setting
• Ink clogging of Printhead • Foreign material removal
• Contamination on Cap Unit / • Part re-installation
Wiper of Ink System Assy • Roller replacement
• Ink System Assy damage
• 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
• Printhead replacement
• Rubber cleaning of Cap Unit
• Ink System Assy replacement
• Printer replacement
• PE Sensor Lever replacement
• PE Sensor replacement
(Main Board replacement)
• Ink tank replacement
Troubleshooting Workflow
Scanning cannot
(p 9) 5
be performed
successfully
Abnormal Noise Scanner failure
[Presumable Cause] [Presumable Cause]
• Foreign material • Contamination of Scanner
• Insufficient grease Glass
• Gear damage • Contamination of Document
Pad
[Major Troubleshooting] • CIS Unit bonding failure
• Foreign material removal • CIS Unit damage
• Lubrication of grease • Scanner Motor damage
• Gear replacement • Insufficient grease
[Major Troubleshooting]
• Scanner Glass cleaning
• Document Pad cleaning
• Document Pad replacement
• CIS Unit replacement
• Scanner Motor replacement
• Lubrication of grease
Blank printing
[Phenomenon]
• Blank printing
[Presumable Cause]
• Ink tank ventilation film gets
wet
• Ink tube crumples
• Ink tube connection is
incomplete
[Major Troubleshooting]
• Ink tank replacement
• Ink tube re-installation
Revision A
ADF does not
6
operate normally
(p 9) (p 9)
ADF Unit failure
[Phenomenon]
• Paper is not fed
• Multi-feed
• Paper jam
• Skewed document
• Scanner CR motor is out of step
[Presumable Cause]
• Deterioration of Pickup Roller
• Deterioration of ADF Pad Assy
• Damage to gears
• Damage to Scanner Motor
• Contamination on document
glass
• Foreign object
• Damage to ADF Paper Guide
Cover Assy
• Deterioration of Paper Eject
Roller
• Scanner Carriage failure
• ADF mechanical load increases
[Major Troubleshooting]
• Replace ADF Paper Guide Cover
Assy
• Replace ADF Pad Assy
• Clean document glass
• Remove foreign material
• Replace ADF Unit
• Replace Scanner Unit
10
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