Specifications

4-16
Symptom Step Check Item Result Action
1
Is the Vertical Transport Roller
or Roll deformed, worn, or
dirty with paper dust?
YES
Clean or change the Vertical
Transport Roller or Roll.
2
Is RSEN fully operational?
Check the input data using I/O
Check.
YES Check step 4 and onward.
YES
Change PWB-A (LCC), PWB-
A (Paper feed unit), or PWB-A
(Cassette Main Board), in that
order.
3
Does the voltage across
CN4A-2 on PWB-A (LCC) and
GND change from LOW to
HIGH when RSEN is blocked?
NO Change RSEN.
4
Check RCL for operation.
Does the voltage across
CN7A-4 on PWB-A (LCC) and
GND change from DC24V to
DC0V when the Start key is
pressed?
NO
Change PWB-A (LCC), PWB-
A (Paper feed unit), PWB-A
(Cassette Main Board), or
PWB-A, in that order.
5
Check CL2 for operation.
Does the voltage across CN9-
1 on PWB-A and GND change
from DC24V to DC0V when
the Start key is pressed?
NO Change PWB-A.
YES
Check various parts for
possible overload and, if they
are okay, change RCL, CL2,
or PWB-A, in that order.
6
✽
If the 3rd Drawer is LCC
Is PC2 fully operational?
Check the input data using I/O
Check.
NO
Check the PC2 actuator for
operation and, if it is intact,
change PC2.
7
✽
If the 4th Drawer is LCC
Is S3 fully operational?
Check the input data using I/O
Check.
YES
Check various parts for
possible overload and, if they
are okay, change RCL, CL2,
or PWB-A, in that order.
YES
Change PWB-A (Paper feed
unit) or PWB-A (Cassette Main
Board).
•
Paper is at a
stop at the
vertical
transport
section.
•
Paper is at a
stop near the
Synchronizing
Rollers.
8
Does the voltage across
PJ3A-2B on PWB-A (Paper
feed unit) and GND change to
DC0V when S3 is blocked and
to DC5V when S3 is
unblocked?
NO
Check the S3 actuator for
operation and, if it is intact,
change S3.