Minolta EP1080 Service Manual page 251

Transport/Separator Misfeed Clearing Procedure
Symptom Step
•
Paper is
stationary before 1
the Synchronizing
Roller.
2
3
4
•
Paper is
stationary near 5
the PC Drum.
6
7
8
9
Check Item
Is the paper curled, waved,
or damp?
Does the voltage across
PJ2A-3 on PWB-A and
GND change from DC5V to
DC0V when Paper Leading
Edge Detecting Sensor
PC54 is blocked by a sheet
of paper?
Do the Synchronizing
Rollers turn?
*
Does the voltage across
PJ6A-7 on PWB-A and
GND change from DC24V
to DC0V after the Start
Key has been pressed?
Is a given length of loop
formed before the
Synchronizing Roller?
Is the Pre-Image Transfer
Guide Plate deformed or
dirty?
Is the Corona Unit Cleaning
Lever (Lower) in correct
position?
Are the Image
Transfer/Paper Separator
Corona Wires deteriorated
or dirty?
Are the Paper Guides
deformed or dirty?
Are the Synchronizing
Rollers deformed, worn, or
dirty with paper dust?
T-19
Result Action
Change the paper.
YES Instruct the user in how to
store the paper.
Replace PWB-A.
YES
Check the Actuator for
operation.
NO
Check PC54.
Check the Clutch.
YES
Replace PWB-A.
NO
Adjust the loop length or
NO clean or replace the
Transport Rollers.
Correct or clean the Guide
YES Plate.
Place the Lever in position.
NO
Clean or replace the Wires.
YES
Clean or replace the Paper
YES
Guides.
Clean or replace the
YES Synchronizing Rollers.