Minolta Di152 Service Manual page 132

Misfeed at Paper Feed Cabinet Paper Take-Up and Transport Section J02, J03, J04, J05,
J1 (PF-120) Troubleshooting Procedures
• Paper is not taken up at all.
Step
1 Paper meets product specifications.
2 Paper is curled, wavy, or damp.
3 Edge Guides and Trailing Edge Stop
are at correct position to accommo-
date paper.
4 Paper Take-Up Roll is dirty, scratchy,
deformed, or worn.
5 Mylar is dirty, scratchy, or deformed.
6 Separator Fingers are dirty or
deformed.
7 Paper guide plate is dirty or
deformed.
8 Paper Take-Up Solenoid (SL11)
operation check:
The voltage across PJ3A-1A on Con-
trol Board (PF-120: PWB-A) and
GND changes from DC0 V to DC24 V
when the Start key is pressed.
9 Paper Take-Up Sensor (PC12) oper-
ation check:
The voltage across PJ3A-2 on Con-
trol Board (PF-120: PWB-A) and
GND is DC 5 V when the sensor is
unblocked and DC 0 V when the sen-
sor is blocked.
• Paper is at a stop near the vertical transport section or Synchronizing Roller.
Step
1 Vertical Transport Roller/Rolls are
dirty, deformed, or worn.
2 Paper is curled, wavy, or damp.
3 Synchronizing Roller Sensor (PC1)
operation check:
The voltage across PJ6A-3 on Mas-
ter Board (copier: PWB-A) and GND
is DC5 V when the sensor is blocked
and DC0 V when the sensor is
unblocked.
Check
Check
T-12
Result
NO • Change paper.
YES • Change paper.
• Instruct user to load paper that
meets product specifications.
NO • Adjust position as necessary.
YES • Clean or change.
YES • Clean or change.
YES • Clean or change.
YES • Clean or change.
YES • Change Paper Take-Up Solenoid
(SL11).
NO • Change Control Board (PF-120:
PWB-A).
YES • Change Control Board (PF-120:
PWB-A) and/or Master Board
(copier: PWB-A).
NO • Correct actuator and/or change
Paper Take-Up Sensor (PC12).
Result
YES • Clean or change.
YES • Change paper.
• Instruct user to load paper that
meets product specifications.
YES • Change Master Board (copier:
PWB-A).
NO • Correct actuator and/or change
Synchronizing Roller Sensor
(PC1).
Action
Action