Minolta EPI 054 User Manual page 293

FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 TROUBLESHOOTING
98.05.15
Transport/Separator Misfeed Clearing Procedure
Symptom Step
• Paper is station-
Is the paper curled, waved,
ary before the 1 or damp?
Synchronizing
Roller.
Check Paper Leading Edge
Detecting Sensor PC54
2
See p. T-2 (PWB-A (IC4A)
APC6).
Check Synchronizing Roller
Clutch CL1.
3
Is a given length of loop
4 formed before the Synchro-
nizing Roller?
• Paper is station-
Is the Pre-Image Transfer
5
ary near the PC Guide Plate deformed or dirty?
Drum.
Is the Corona Unit Cleaning
6 Lever (Lower) in correct
position?
Are the Image Transfer/
7 Paper Separator Corona
Wires deteriorated or dirty?
Are the Paper Guides
8
deformed or dirty?
Are the Synchronizing Roll-
9 ers deformed, worn, or dirty
with paper dust?
• Paper is wedged
Are the Paper Separator
at the Paper Sep- 10 Fingers deformed or dirty?
arator Fingers.
• Paper is station-
Check Transport Roller
ary before the 11 Sensor PC51. See p. T-2
Suction Belts. (PWB-A (IC4A) APC7).
Check Paper Leading Edge
Detecting Sensor PC54.
12
See p. T-2
(PWB-A (IC4A) APC6).
Do the Suction Belts turn
13
properly?
Check Suction Fan Motor M4.
14
Check Item Result
YES
YES Replace PWB-A.
YES Check the Clutch.
Does the voltage across
PJ5A-4A on PWB-A and
GND change from DC24V
to DC0V after the Start
Key has been pressed?
YES
YES
YES
YES
YES
YES Replace PWB-A.
YES
Does the voltage across
PJ5A-9A on PWB-A and
GND change from
DC24V to DC0V when
the Start Key is pressed?
T-25
Action
Change the paper.
Instruct the user in how to
store the paper.
Check the Actuator for
NO operation.
Check PC54.
Replace PWB-A.
NO
Adjust the loop length or
NO clean or replace the Trans-
port Rollers.
Correct or clean the Guide
Plate.
Place the Lever in position.
NO
Clean or replace the Wires.
Clean or replace the Paper
Guides.
Clean or replace the Syn-
chronizing Rollers.
Correct or clean, or replace,
the Paper Separator Fingers.
Check the Actuator for
NO operation.
Check PC51.
Check the Actuator for
NO operation.
Check PC54.
Check the Belts and Drive
NO
Gear.
Check the DC24V line.
Check M4.
Replace PWB-A.
NO