2NM/2NX/2NY/2NZ/2P0/2P6
1-4-31
3100 Scanner carriage error
The home position is not cor-
rect when the power is turned 
on, at the end of a reading 
process of the table and docu-
ment processor.
Image scanner 
motor
1. Move the scanner by the hand to check 
whether it is unusually difficult to move.
2. Check that the scanner driving belt is not 
disengaged.
3. Confirm that the wiring connector is 
firmly connected and, if necessary, 
connect the connector all the way in.
Image scanner motor and  control PWB 
(YC1002)
4. If the wiring is disconnected, shorted or 
grounded, replace the wiring.
5. Replace the image scanner motor.
Home position 
sensor
1. Check that the sensor is correctly 
positioned.
2. Confirm that the wiring connector is 
firmly connected and, if necessary, 
connect the connector all the way in.
Home position sensor and  CCD PWB 
(YC3)
CCD PWB and  control PWB (YC1000)
3. Replace the home position sensor.
CCD PWB
Replace the image scanner unit and 
execute U411 (see page 1-3-54).
Control PWB
Replace the control PWB and check for 
correct operation (see page 2-2-12).
3200 Exposure lamp error
When a lamp is made to turn 
on one side at a time, the 
white standard data at the 
time of an initial is lower than 
a rated value.
LED PWB 1. Reinsert the connector. Also check for 
continuity within the connector cable. If 
none, replace the cable.
LED PWB and CCD PWB (YC2)
CCD PWB and control PWB (YC1000)
2. Replace the image scanner unit (see 
page 1-5-20).
CCD PWB
Replace the image scanner unit and 
execute U411 (see page 1-3-54).
Control PWB Replace the control PWB and check for cor-
rect operation (see page 2-2-12).
3500 Communication error 
between scanner and ASIC
An error code is detected.
CCD PWB
1. Confirm that the wiring connector is 
firmly connected and, if necessary, con-
nect the connector all the way in.
CCD PWB and control PWB (YC1000)
2. If the wiring is disconnected, shorted or 
grounded, replace the wiring.
3. Replace the image scanner unit and 
execute U411 (see page 1-3-54).
Control PWB Replace the control PWB and check for cor-
rect operation (see page 2-2-12).
Code Contents Related parts
Check procedures/
corrective measures