Minolta EP1054 Service Manual page 145

FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 TROUBLESHOOTING
98.05.15
Bypass Port Misfeed Clearing Procedure
Symptom Step
• Paper is not
Check Manual Feed Paper
detected. Empty Sensor PC31. See
p. T-2 (PWB-A (IC4A) APC
1
3).
• Paper is not
Does the paper being used
taken up at all. 2 meet product specifica-
tions?
Is the paper curled, waved,
3 or damp?
Are the Paper Take-Up
Rolls pressed against the
paper stack when the Start
Key is pressed?
4
Does the voltage across
PJ5A-4B on PWB-A and
5 GND change from DC24V
to DC0V when the Start
Key is pressed?
Is the Pressure Pad or
6 Guide Plate deformed or
dirty?
Are the Paper Take-Up
7 Rolls deformed, worn, or
dirty with paper dust?
• Paper is
Check Paper Leading Edge
stationary near Detecting Sensor PC54.
8
the Transport See p. T-2 (PWB-A (IC4A)
Roller. APC6).
Does the voltage across
PJ5A-2A on PWB-A and
9 GND change from DC24V
to DC0V when the Start
Key is pressed?
Is the Transport Roller or
Guide Plate of the copier
10
deformed, worn, or dirty
with paper dust?
Check Item Result
YES Replace PWB-A.
YES
YES
Does the voltage across
PJ5A-2B on PWB-A and
GND change from
DC24V to DC0V when
the Start Key is pressed?
YES Check the Clutch.
YES
YES
YES Check the Clutch.
T-23
Action
Check the operation of the
actuator of PC31. If it oper-
NO
ates properly, replace
PC31.
Instruct the user to use the
NO paper that meets product
specifications.
Change the paper.
Instruct the user in how to
store the paper.
Adjust the stroke of the
Solenoid.
Check the Solenoid.
Replace PWB-A.
NO
Replace PWB-A.
NO
Clean or replace the Pres-
sure Pad or Guide Plate.
Clean or replace the Paper
Take-Up Rolls.
Check the Actuator for
operation.
NO
Check PC54.
Replace PWB-A.
NO
Clean or replace the Verti-
cal Transport Roller or
YES
Guide Plate.