Epson AcuLaser C1100 Service Manual page 205

EPSON AcuLaser C1100
FIP-50
Panel Message
Irregular Density
Possible parts that caused the error
SENSOR ASSY ADC
PWBA MCU
Toner Cartridge Y
Toner Cartridge C
LV/HVPS
Troubleshooting
Step Check
Check of dirt and foreign bodies on surface
1
of SENSOR ASSY ADC
Are there any dirt or foreign bodies on the
SENSOR ASSY ADC surface?
Check of SENSOR ASSY ADC attachment
2
Is SENSOR ASSY ADC attached correctly?
Does the error recur when the power is
3
turned ON?
Check after replacement of SENSOR ASSY
4
ADC
Replace SENSOR ASSY ADC.
Does the error recur when the power is turned
ON?
Check after replacement of
5
Photoconductor Unit
Replace Photoconductor Unit.
Does the error recur when the power is turned
ON?
TROUBLESHOOTING
Photoconductor Unit
Toner Cartridge K
Toner Cartridge M
ROS ASSY
Yes
Clean to remove Go to Step [2].
any dirt or
foreign bodies,
and go to step
[2].
Go to Step [4]. Re-attach, and
go to step [3].
Go to Step [4]. End of
procedure
Go to Step [5]. End of
procedure
(p.353)
Go to Step [6]. End of
procedure
FIP according to the printer message
Step
Check after replacement of PWBA MCU
6
Replace PWBA MCU.
Does the error recur when the power is turned
ON?
Check after replacement of Toner Cartridge
7
Replace Toner Cartridge K/Y/M/C.
Does the error recur when the power is turned
ON?
Check after replacement of ROS ASSY
8
Replace ROS ASSY.
Does the error recur when the power is turned
ON?
Check after replacement of LV/HVPS
9
No
Replace LV/HVPS.
Does the error recur when the power is turned
ON?
Check Yes
Go to Step [7].
(p.404)
Go to Step [8].
Go to Step [9].
(p.375)
Go to "FIP-79
Electrical
(p.407)
Noise". (p.238)
Revision B
No
End of
procedure
End of
procedure
End of
procedure
End of
procedure
205