Minolta Di152 Service Manual page 128

Step
4 Paper Take-Up Roll (1st Tray) is dirty,
scratchy, deformed, or worn.
5 Paper Separator Roll (1st Tray) is
dirty, scratchy, deformed, or worn.
6 Paper Take-Up Roll drive shaft turns
when the Start key is pressed.
7 Paper Take-Up Solenoid (SL1) is
operational when the Start key is
pressed.
<Check Procedure>
Check voltage across a Master Board
(copier: PWB-A) pin and GND.
• Voltage across PJ5A-2 and GND
In standby: DC24 V
When pressed: DC0 V
8 Synchronizing Roller Sensor (PC1) is
operational.
<Check Procedure>
Check voltage across a Master Board
(copier: PWB-A) pin and GND when
the sensor is blocked.
• Voltage across PJ6A-3 and GND
When blocked: DC5 V
When unblocked: DC0 V
Misfeed at Manual Bypass Tray J06 Troubleshooting Procedures
Step
1 Paper meets product specifications.
2 Paper is curled, wavy, or damp.
3 Paper Guides are at correct position
to accommodate paper.
4 Transport Roller (Manual Bypass
Tray) is dirty, scratchy, deformed, or
worn.
Check
Check
T-8
Result
YES • Clean or change.
YES • Clean or change.
NO • Reinstall the Paper Take-Up Roll
drive shaft.
• Reinstall the Paper Take-Up Roll
drive gear and spring.
NO • Change Paper Take-Up Solenoid
(SL1).
NO • Change Synchronizing Roller Sen-
sor (PC1).
YES • Change Master Board (copier:
PWB-A).
Result
NO • Change paper.
YES • Change paper.
• Instruct user to load paper that
meets product specifications.
NO • Adjust as necessary.
YES • Clean or change.
Action
Action