EPSON AcuLaser C1100
Revision B
TROUBLESHOOTING
FIP according to the printer message
238
FIP-79 Electrical Noise
Possible parts that caused the error
Troubleshooting
Photoconductor Unit
HOUSING ASSY-GUIDE AD
FUSER ASSY
PWBA MCU
LV/HVPS
Step
Check
Yes
No
1
Check of external noise
Are there any other electrical apparatus (e. g.
generators, wireless transmitters, or
equipment that use motors) within 3 m of the
printer?
Either turn the other electrical apparatus OFF,
or reposition the printer at least 6 m away
from other electrical apparatus.
Does the electrical noise problem still
continue?
Go to Step [2].
End of
procedure
2
Check of AC ground
Is the AC power outlet wired and grounded
correctly?
Go to Step [3].
Ask the
customer to
repair the AC
power outlet.
3
Check after replacement of
Photoconductor Unit
Replace DRU ASSY.
Does the electrical noise problem still
continue after replacement?
Go to Step [4].
End of
procedure
4
Check of contact between Photoconductor
Unit and HOUSING ASSY-GUIDE AD
Remove Photoconductor Unit.
Is the contact surface of Photoconductor Unit
and CONDUCTOR attached to HOUSING
ASSY-GUIDE AD deformed or are there
foreign objects on the surface?
Replace GUIDE
CRU ASSY
AD.
Go to Step [5].
5
Check of grounding of boards
Are all screws fastening PWBA MCU and
LV/HVPS to the frame tightened firmly?
Also, are all screws fastening the PWBA
TRAY 500 of Feeder to the frame tightened
firmly?
Likewise, are all screws fastening PWBA
DUP-L of DUPLEX to the frame tightened
firmly?
Go to Step [6].
Tighten the
screws.
6
Check after replacement of FUSER ASSY
Allow FUSER ASSY to cool down
before performing work.
Replace FUSER.
(p.388)
Does the electrical noise problem still
continue after replacement?
Go to Step [7].
End of
procedure
7
Check after replacement of PWBA MCU
Replace PWBA MCU.
(p.407)
Does the electrical noise problem still
continue after replacement?
Replace all
related parts.
End of
procedure
Step
Check
Yes
No
W A R N I N G
Summary of Contents for C1100 - AcuLaser Color Laser Printer
Page 1: ...EPSON AcuLaserC1100 A4 Full Color Laser Printer SERVICE MANUAL SEPG04002 ...
Page 12: ...Schematic Diagram of Safety System Leg_Sec001_025EA ...
Page 19: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 74: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 119: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 276: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Page 485: ...C H A P T E R 5 ADJUSTMENT ...
Page 491: ...C H A P T E R 6 MAINTENANCE ...
Page 510: ...C H A P T E R 7 APPENDIX ...
Page 539: ...EPSON AcuLaser C1100 Revision B APPENDIX Exploded Diagrams 539 7 6 Exploded Diagrams ...
Page 562: ...Model AcuLaser C1100 LP V500 Board C567MAIN Sheet 1 of 4 Rev A ...
Page 563: ...Model AcuLaser C1100 LP V500 Board C567MAIN Sheet 2 of 4 Rev A ...
Page 564: ...Model AcuLaser C1100 LP V500 Board C567MAIN Sheet 3 of 4 Rev A ...
Page 565: ...Model AcuLaser C1100 LP V500 Board C567MAIN Sheet 4 of 4 Rev A ...