Epson ACULASER COLOR 1000, Service Manual

Page: 130 / 230

EPSON AcuLaser C2000 / AcuLaser C1000 Revision E
Troubleshooting Printer Message 130
Laser is abnormal
When one of the following items is detected, the printer detects that the laser is
abnormal.
1. When the polygon motor M_Lock signal becomes inactive for 0.4 seconds
8 seconds after the polygon motor (M6) starts driving until the polygon
motor (M6) stops, the printer detects that the laser is abnormal.
2. When the LD_SOS signal is not detected for the specified time after the
polygon motor is turned on and laser emission is started, the printer
detects that the laser is abnormal.
3. When LD_SOS signal is not detected during the printing (during laser
emission), the printer detects laser is abnormal.
Transfer Belt Rotation is Abnormal
1. The transfer belt rotation is detected since the transfer belt starts rotating
until the transfer belt stops.
2. While the transfer belt is rotating, if the transfer belt position sensor (PC12)
does not change, it is detected that the transfer belt is abnormal.
Transfer Belt Cleaner Pressure / Estrangement is Abnormal
1. The belt cleaner pressure is detected along with the color print and special
print pressure / estrangement operation.
2. When the belt cleaner estrangement sensor (PC16) does not change
within the specified period after the belt cleaner motor starts rotating, it is
detected that the belt cleaner is abnormal.
No. Check Item Solution
1
Check the connector on the
mechanical control board of the
print head and polygon motor.
-
Remove the connector PJ27A and
insert it again.
Remove the connector PJ12A and
insert it again.
2
- - Replace the print head unit.
Replace the laser safety switch.
Others Replace PWB-A.
No. Check Item Solution
1
During printing, does the transfer
belt rotate? (Open the front cover
and check it.) No Check if the transfer belt unit is
installed correctly.
No Replace the transfer belt unit.
Others Replace PWB-A.
No. Check Item Solution
1
During printing, does the belt
cleaner motor rotate? (Check it
by its sound.) Or remove the left
cover, take a look from the front
bottom and check it by the lever
operation.
No
Remove connector PJ32A, PJ33A
and insert it again.
Remove connector PJ51, PJ61 and
insert it again.
2
Does the sensor light shielding
plate of the sensor shut the light
off? No
Replace the belt cleaner
estrangement sensor.
Others Replace PWB-A.