Muratec MFX-2500 Field Engineering Manual page 222

<Machine Take-Up Misfeed Troubleshooting Procedure>
Symptom Step
1
2
3
4
5
6
7
Paper is not
taken up at all.
8
9
10
11
Paper is at a
1
stop before
the vertical
2
transport
section.
Paper is at a
stop near the
3
Synchronizing
Rollers.
Check Item
Does the paper being used
meet the product
specifications?
Is the paper curled, wavy, or
damp?
Are the Edge Guide and
Trailing Edge Stop (of the
drawer) positioned to the exact
size of the paper used?
Is the Paper Take-Up Roll
deformed, worn, or dirty with
paper dust?
If the Paper Lifting Plate dirty
or deformed?
Has the misfeed been
detected while the Multi
Purpose Cassette was being
used?
Is the Paper Separator Pad
deformed, worn, or dirty with
paper dust?
Check SL1 for operation.
Does the voltage across
CN19-1 on the PWB-A side
and GND change from DC24V
to DC0V when the Start key is
pressed?
Is the Paper Separator Finger
dirty or deformed?
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?
Check SL1 for operation.
Does the voltage across
PJ3A-1A on PWB-A (Cassette
Main Board) and GND change
from LOW to HIGH when the
Start key is pressed?
Is the Vertical Transport Roller
deformed, worn, or dirty with
paper dust?
If the Vertical Transport Guide
Plate dirty or deformed?
Is PC2 fully operational?
Check the input data using I/O
Check.
4-8
Result Action
Instruct the user to use the
NO paper that meets product
specifications.
Change the paper. Instruct the
YES
user on the storage of paper.
Slide the guides to the exact
NO
size of the paper.
Clean or change the Paper
YES
Take-Up Roll.
Clean or change the Paper
YES
Lifting Plate.
YES Check steps 7 and 8.
NO Check steps 9 and onward.
Clean or change the Paper
YES
Separator Pad.
Check various parts for
YES possible overload and, if they
are okay, change SL1.
NO Change PWB-A.
Clean or change the Paper
YES
Separator Finger.
NO Change PWB-A.
Check various parts for
YES possible overload and, if they
are okay, change SL1 or CL2.
Change PWB-A (Cassette
NO
Main Board) or PWB-A.
Clean or change the Vertical
YES
Transport Roller.
Clean or change the Vertical
YES
Transport Guide Plate.
Check various parts for
YES possible overload and, if they
are okay, change PWB-A.
Check the PC2 actuator for
NO operation and, if it is intact,
change PC2.