Confidential
2-53
4.2 Recording Paper Feeding Problems
Problems related to paper feeding are end user recoverable if following the User
Check items.
If the same problem occurs, follow each procedure in the order of the number
described in the Step column in the tables below.
4.2.1 Paper is not fed from paper tray #1/#2
< User Check >
- Check that setting of tray selection is not fix to MP Tray or Manual feed slot.
- Check that recording paper is loaded correctly in the paper tray.
- Check that the paper smaller than the specified size is not loaded.
- Adjust the paper guide to match the recording paper size.
- Try reversing the recording paper in the paper tray, or rotating direction of the paper
for 180 degrees.
- Check thickness of recording paper is within tolerance of each type.
- Check that the number of recording paper loaded in the paper tray is within specified
volume.
- Clean the paper pull-in roller.
Step Cause Solution
1 Paper pull-in roller not
mounted in place
Set paper pull-in roller the into place.
2 CR encoder strip stained Clean the CR encoder strip.
3 PF encoder disk stained Clean the PF encoder disk and flushing
guide.
(refer to "Precautions for Troubleshooting
and/or Disassembly/Assembly")
4 Bank ASSY out of place Set the bank ASSY into place.
5 The grease of the switching
lever guide of the maintenance
unit is not enough
Apply the grease for the switching lever guide
of the maintenance unit.
(refer to Fig. 2-8 (2-54))
6 ASF motor harness connection
failure
Reconnect the ASF motor harness.
7
Registration actuator out of place
Set the registration actuator into place.
8
Paper feeding path parts out of place
Set the feeding path parts into place.
9 Paper pull-in roller worn out Replace the paper feed arm frame ASSY or
LT frame ASSY.
10 CR encoder strip defective Replace the CR encoder strip.
11
CR encoder sensor
defective Replace the carriage PCB ASSY.
12
PF encoder disk
defective Replace the PF encoder disk.
13 Registration sensor defective Replace the registration sensor PCB ASSY.
14 Paper feed motor defective Replace the paper feed motor.
15 ASF motor/Switching lever
guide defective
Replace the maintenance unit.
16 Main PCB defective Replace the main PCB.
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