Epson ACULASER COLOR 2000 Service Manual page 131

EPSON AcuLaser C2000 / AcuLaser C1000
Developer Rack Rotation is Abnormal
No. Check Item
During printing, does the rack
motor (M3) rotate?
1
With the power off, press the rack
release button and check if you
2
can rotate the toner rack
manually.
Others
1. When initializing the toner rack position, if the rack black position sensor
(PC6) does not become ON within 3 seconds, it is detected that toner rack
is abnormal.
2. When the black toner should be at the development position, if the rack
black position sensor (PC6) does not become ON within 0.3 seconds, it is
detected that the toner rack is abnormal.
3. When the rack black position sensor (PC6) becomes ON within 0.3
seconds after the rack motor (M3) is halted, it is detected that the toner
rack is abnormal.
Troubleshooting
Solution
No Remove connector PJ32A, PJ33A
and insert it again.
Remove connector PJ41 and insert it
again.
Yes
Replace the rack black position
sensor (PC6).
Replace PWB-A.
Printer Message
Multi Manual Paper Load Push-up is Abnormal
No. Check Item
Does the manual tray push paper
1
to the paper load roller?
Does the manual tray paper load
roller one-way clutch have the
2
claws?
Others
1. MPT push-up tray position is detected while loading paper from the manual
tray.
2. If the output of the manual tray upper position sensor (PC15) does not
change even after the specified amount of time passed after the manual
tray paper load solenoid (SL8) becomes ON, it is detected that the MPT
push-up plate is abnormal.
OHP Sensor is Abnormal
No. Check Item
Are the light emission window
1 and light receiving window of
OHP sensor dirty?
Does any dust or a bit of paper
2 attach on the other side OHP
sensor reflective window?
Others
1. OHP sensor is detected while the transportation motor (M1) is pre-rotating.
2. Since no paper exist during the pre-rotation, if the sensor detects it is not
OHP, it detects that the OHP sensor is abnormal.
Revision E
Solution
No Arrange paper on the manual tray.
No Replace the one-way clutch gear.
Yes Replace the manual tray paper load
solenoid.
Replace PWB-A.
Solution
No Clean the OHP sensor window.
Yes
Clean the OHP sensor reflective
window.
Replace PWB-A.
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