Minolta Di 620 Manual page 227

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