Epson AcuLaser Color 2000, Service Manual

Page: 113 / 204

EPSON AcuLaser C2000 Revision C
Troubleshooting Printer Message 113
Developer Rack Rotation is Abnormal
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.
Multi Manual Paper Load Push-up is Abnormal
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.
Table 3-18. Developer Rack Rotation is Abnormal
No. Check Item Solution
1
During printing, does the rack
motor (M3) rotate? No Remove connector PJ32A, PJ33A
and insert it again.
Remove connector PJ41 and insert
it again.
2
With the power off, press the
rack release button and check if
you can rotate the toner rack
manually. Yes
Replace the rack black position
sensor (PC6).
Others Replace PWB-A.
Table 3-19.
Multi Manual Paper Load Push-up is Abnormal
No. Check Item Solution
1
Does the manual tray push
paper to the paper load roller?
No Arrange paper on the manual tray.
2
Does the manual tray paper
load roller one-way clutch have
the claws? No Replace the one-way clutch gear.
Yes Replace the manual tray paper
load solenoid.
Others Replace PWB-A.