Minolta Di450 Service Manual page 433

PF-115 Paper Take-Up Misfeed Troubleshooting Procedures
• Paper is not taken up at all.
Step
1 Paper meets product specifications.
2 Paper is curled, wavy, or damp.
3 Paper Lifting Plate is dirty or deformed.
4 Paper Separator Pad is dirty with paper dust,
deformed, or worn.
5 Paper take-up guide plate is dirty or deformed.
6 Paper Take-Up Roll and Separator Roll are
dirty with paper dust, deformed, or worn.
7 rd
3 Drawer Paper Take-Up Motor turns when
the Start key is pressed with the 3
selected.
• Paper is at a stop at the Vertical Transport Rollers.
Step
1 Vertical Transport Rollers are dirty with paper
dust, deformed, or worn.
2 Paper take-up guide plate or vertical transport
guide plate is dirty or deformed.
3 Vertical Transport Motor turns when the Start
key is pressed with the cabinet selected.
4 rd
I/O check for 3
operation when the 3
voltage across PJ9A-11 on Control Board and
GND is DC5V when the sensor is unblocked
and DC0V when the sensor is blocked.
5 I/O check for Paper Leading Edge Sensor 3
operation when the 3
voltage across PJ9A-5 on Control Board and
GND is DC5V when the sensor is unblocked
and DC0V when the sensor is blocked.
Check
rd
Drawer
Check
Drawer Paper Take-Up Sensor
rd
Drawer is used: the
rd
Drawer is used: the
T-25
Result Action
NO Change paper.
YES Change paper.
Instruct user in correct
paper storage.
YES Clean or change.
YES Clean or change.
YES Clean or change.
YES Clean or change.
NO Correct drive coupling.
Change motor or Control
Board.
Change Master Board.
Result Action
YES Clean or change.
YES Clean, correct, or change.
NO Correct drive coupling.
Change motor or Control
Board.
Change Master Board.
YES Change Control Board or
Master Board.
NO Correct actuator.
Change sensor.
YES Change Control Board or
Master Board.
NO Correct actuator.
Change sensor.