Confidential
2-59
Step Cause Solution
1 Paper pull-in roller not mounted
in place
Set the paper pull-in roller 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 Chapter 3, Section 1.)
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.
6 Paper feed motor harness
connection failure
Reconnect the paper feed 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 pull-in roller.
10 CR encoder strip defective Replace the CR encoder strip
11 CR encoder sensor defective Replace the carriage PCB ASSY.
12 Switching lever guide defective Replace the maintenance unit.
13 Registration sensor defective Replace the registration sensor PCB ASSY.
14 Paper feed motor defective Replace the paper feed motor.
15 Main PCB defective Replace the main PCB ASSY.
Maintenance unit
Apply grease here.
(2_002_E)