Epson AcuLaser M2000D Service Manual page 53

EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN
LED
EPSON Status Monitor Message
indication
General error E002
(Main motor error)
General error E004
(Polygon motor error)
General error E005
(Horizontal synchronization signal error)
General error E008
(Fuser heater cable disconnection)
TROUBLESHOOTING
Explanation
The main motor ready signal could not be
detected within 2 seconds after the motor
becomes ON.
The polygon motor ready signal could not
be detected within 6 seconds after the motor
becomes ON.
The controller could not detect the
horizontal synchronization signal within the
specified time period.
The fuser heater lamp was turned ON, but
the fuser temperature did not rise.
Troubleshooting
Possible cause / Error-causing Part
Poor connection between the main motor
(CN1) and the Main Board Assy. (YC805).
There is some problem in the main motor
drive transmission path.
The main motor is faulty.
The Main Board Assy. is faulty.
Poor connection between the polygon
motor (laser scanner unit) and the Main
Board Assy. (YC819).
The laser scanner unit is faulty.
The Main Board Assy. is faulty.
The laser scanner unit is faulty.
Poor connection of the fuser thermistor.
Poor connection of the fuser heater lamp
connector.
Mounting failure of the fuser thermistor.
Fuser thermal cut-out has been activated.
Mounting failure of the fuser heater lamp.
The fuser heater lamp has breaks.
Revision B
Check point / Remedy
Reconnect the connector properly.
Check the connector cable for electric
continuity. If no continuity is found,
replace the cable.
Check if the rollers and gears are
smoothly rotating. If not, apply grease to
the bearings and gears.
Check if any of the gears are damaged.
If so, replace the damaged gears.
Replace the main motor. (See P. 92)
Replace the Main Board Assy. (See P. 92)
Reconnect the connector properly.
Check the connector cable for electric
continuity. If no continuity is found,
replace the cable.
Replace the laser scanner unit. (See P. 119)
Replace the Main Board Assy. (See P. 92)
Replace the laser scanner unit. (See P. 119)
Check if the connector (YC105) on the
LVPS is properly inserted. If not, reconnect
it.
Check if the connector (YC102) on the
LVPS is properly inserted. If not, reconnect
it.
Replace the fuser unit. (See P. 106)
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