Specifications

4-13
<Paper Take-Up/Transport Misfeed (Paper feed unit) Troubleshooting Procedure>
Symptom Step Check Item Result Action
1
Does the paper being used
meet the product
specifications?
NO
Instruct the user to use the
paper that meets product
specifications.
2
Is the paper curled, wavy, or
damp?
YES
Change the paper. Instruct the
user on the storage of paper.
3
Are the Edge Guide and
Trailing Edge Stop (of the
drawer) positioned to the exact
size of the paper used?
NO
Slide the guides to the exact
size of the paper.
4
Is the Paper Take-Up Roll
deformed, worn, or dirty with
paper dust?
YES
Clean or change the Paper
Take-Up Roll.
5
Is the Paper Lifting Plate dirty
or deformed?
YES
Clean or change the Paper
Lifting Plate.
6
Is the Paper Separator Finger
dirty or deformed?
YES
Clean or change the Paper
Separator Finger.
7
Check CL2 for operation.
Does the voltage across CN9-
1 on the PWB-A side 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 SL1 or CL2.
Paper is not
taken up at all.
8
Check SL1 for operation.
Does the voltage across
PJ3A-1A on PWB-A (Paper
feed unit) and GND change
from LOW to HIGH when the
Start key is pressed?
NO
Change PWB-A (Paper feed
unit), PWB-A (Cassette Main
Board), or PWB-A, in that
order.
1
Is the Vertical Transport Roller
deformed, worn, or dirty with
paper dust?
YES
Clean or change the Vertical
Transport Roller.
2
Is the Vertical Transport Guide
Plate dirty or deformed?
YES
Clean or change the Vertical
Transport Guide Plate.
3
Is a size error displayed when
the misfeed display is reset?
YES
Check that the size of the
paper loaded in the current
drawer matches the size set
for that drawer.
4
✽
A misfeed is detected at the
transport section of the 3rd
Drawer.
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.
5
Are all S3’s fully operational?
Check the input data using I/O
Check.
YES
Check various parts for
possible overload and, if they
are okay, change PWB-A.
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.
6
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.