Minolta Di620 Troubleshooting Manual page 17

<Copier Take-Up Misfeed Clearing Procedure>
Symptom Step
• Paper is not
1 Does the paper being used meet
taken up at all. product specifications?
• Paper is at a
stop before the
2 Is the paper curled, wavy, or damp?
Vertical Trans-
port Sensor.
3 Are the Edge Guide and Trailing Edge
Stop (of the drawer) positioned to the
exact sizes of the paper used?
4 Are the Paper Take-Up Roll and Paper
Separator Roll deformed, worn, or
dirty with paper dust?
5 Is the Paper Take-Up Guide Plate dirty
or deformed?
6 When the 1st Drawer is use
Check CL3 for operation.
Does the voltage across PJ15F-2B on
PWB-F and GND change from DC24V
to DC0V when the Start key is
pressed?
7 When the 2nd Drawer is use
Check CL4 for operation.
Does the voltage across PJ14F-2B on
PWB-F and GND change from DC24V
to DC0V when the Start key is
pressed?
8 When the 3rd Drawer is use
Check CL5 for operation.
Does the voltage across PJ13F-2B on
PWB-F and GND change from DC24V
to DC0V when the Start key is
pressed?
Paper is at a 1 Are the Vertical Transport Rollers
stop in the verti- deformed, worn, or dirty with paper
cal transport dust?
section.
2 Is the Paper Take-Up or Vertical
Transport Guide Plate deformed or
dirty?
3 Does M22 turn when the Start key is
pressed?
4 Is each of the voltages across PJ17F-
1 on PWB-F and GND and that across
PJ17F-2 and GND DC38V?
5 Is each Paper Take-Up Sensor (PC32,
33, 34) fully operational? Make the
input port check using "I/O Check."
6 Is each Vertical Transport Sensor
(PC36, 37, 38) fully operational?
Make the input port check using "I/O
Check."
Check Item Result
NO
YES
NO
YES
YES
YES
NO
YES
NO
YES
NO
YES
YES
NO
YES
NO
NO
YES
NO
T-13
Action
Instruct the user to use the
paper that meets product
specifications.
Change the paper. Instruct
the user on the storage of
paper.
Slide the guides to the exact
size of the paper.
Clean or change the defec-
tive roll.
Clean or change the guide
plate.
Change CL3.
Change PWB-F or PWB-A.
Change CL4.
Change PWB-F or PWB-A.
Change CL5.
Change PWB-F or PWB-A.
Clean or change the Vertical
Transport Rollers.
Clean or change the defec-
tive guide plate.
Check for overload. Then,
check step 5 and onward.
Change M22.
Change PWB-A or PWB-F.
Check the actuator of the
defective sensor for opera-
tion and, if it is okay, change
the sensor.
Change PWB-F or PWB-A.
Check the actuator of the
defective sensor for opera-
tion and, if it is okay, change
the sensor.