Epson ACULASER COLOR 1000, Service Manual

Page: 129 / 230

EPSON AcuLaser C2000 / AcuLaser C1000 Revision E
Troubleshooting Printer Message 129
Main Motor is abnormal
Detection of transportation motor (M1) rotation is detected 1 second after
transportation motor (M1) starts rotating until the transportation motor (M1)
stops.
When the transportation motor M_Lock signal becomes active for 0.5 seconds,
the printer detects that the transportation motor is abnormal.
Fusing Motor is abnormal
Detection of fusing motor (M4) rotation is detected 1 second after fusing motor
(M4) starts rotating until the fusing motor (M4) stops.
When the fusing motor M_Lock signal becomes active for 0.5 seconds, the
printer detects that the fusing motor is abnormal.
Fusing Pressure / Estrangement is abnormal
When one of the following items is detected, the printer detects that the driving
motor is abnormal.
1. When the pressure state is not detected 4 seconds after the printer starts
pressure roller to pressure.
2. When the estrangement state is not detected 4 seconds after the printer
starts pressure roller to estrange.
No. Check Item Solution
1
Does the transportation motor
(M1) rotate during printing? No Remove connector PJ21A and insert
it again.
Yes Check that no weight applies on the
each roller or gears.
Others Replace PWB-A.
No. Check Item Solution
1
Does the fusing motor (M4)
rotate during printing? No Remove connector PJ22A and insert
it again.
Yes Check that no weight applies on the
each roller or gears.
Others Replace PWB-A.
No. Check Item Solution
1 Does the fusing unit upshot? Yes Install the fusing unit correctly.
2
Does the fusing pressure motor
(M5) rotate? Check by its sound. No Remove connector PJ25A and insert
it again.
Replace fusing pressure motor.
Yes Replace the fusing pressure position
sensor.
Replace the pressure roller
estrangement sensor.
Others Replace PWB-A.