Main Sub
TitleFinisher alignment trouble (Rear side) (Finisher side detection)
codecode
Phenomenon DisplayLamp
F1 20
Message
DetailIn the initial operation, the alignment plate home position sensor signal OFF is not recognized within
the specified time after starting rotation of the alignment motor. / In the initial operation, the
alignment plate home position sensor signal ON is not recognized within the specified time after
starting rotation of the alignment motor. (Rear side)
SectionFinisher alignment
Operation modePower ON
NOTE
Case 1Trouble position /Alignment mechanism section trouble (Rear side)
Cause
Remedy (Check) Check the alignment mechanism section (Rear side). (SIM 3-1/2)
(Repair) Repair the alignment mechanism section (Rear side). / Power OFF-ON
(After work)
Case 2Trouble position /Alignment motor trouble / Alignment plate home position sensor trouble (Rear side)
Cause
Remedy (Check) Check the operations of the alignment motor/alignment plate home position sensor (Rear
side). (SIM 3-1/2)
(Repair) Replace the alignment motor. / Replace the alignment plate home position sensor (Rear
side).
(After work)
Case 3Trouble position /Finisher control PWB trouble
Cause
Remedy (Check) Check the finisher control PWB operation. (SIM 3-1/2)
(Repair) Replace the finisher control PWB. / Power OFF-ON
(After work) Make various adjustments related to the finisher electric section. (Install the EEPROM
of the defective finisher control PWB to a new finisher control PWB.)
Main SubImage density sensor trouble (COLOR)(Calibration plate reflection
Title
codecodeabnormality)
Phenomena DisplayLamp
F2 45
Message
DetailIn the image density correction, the calibration plate is read by the image density sensor and the
sensor gain is adjusted so that the output becomes a fixed value. However, the output of the specified
range cannot be obtained even though the sensor gain is changed.
SectionImage process (Transfer)
Operation mode Image density correction
Note"Print is disabled in USA/Japan. For the other destinations, print is enabled. However, the print density
must be forcibly decreased."
Case 1TroubleImage density sensor trouble
position/cause
Remedy(Check) Check the image density sensor (dirt, output)(SIM44-2) / Check the image density sensor
calibration plate. / Check the operation of the image density sensor calibration plate switching.
(Repair) Clean or replace the image density sensor. / Clean or replace the image density sensor
calibration plate. / Replace the image density sensor calibration plate switch solenoid. / Power
Source-ON
(After-work) Adjust ADJ M6
Note
Case 2Trouble"Calibration plate trouble (dirt, scratch)"
position/cause
Remedy(Check) Toner dispersion from the transfer belt, the OPC drum unit, and the developing unit
(Repair) Clean or replace the calibration plate. / Replace the transfer belt cleaner. / Clean the OPC
drum and the developing unit. / Power Source-ON
(After-work)
Note
Case 3TroublePCU SUB PWB trouble
position/cause
Remedy(Check) Check the PCU SUM PWB image density sensor circuit.
(Repair) PCU SUB PWB replacement / Power Source-ON
(After-work)
Note
10 � 10 |
ACEC
