Minolta EP1080 Service Manual page 255

Fusing/Exit Misfeed Clearing Procedure
Symptom Step
•
Paper is
stationary before 1
the Fusing Roller.
2
3
4
•
The leading edge
of the paper is
5
stationary near
the Fusing Roller.
6
7
•
Paper is
stationary after
the Paper Exit
Roller/Rolls.
8
9
Check Item
Is the paper curled, waved,
or damp?
Is the Guide Plate dirty with
toner?
Do the Suction Belts turn
properly?
Is Suction Fan Motor M4
turning when the Start Key
is pressed?
*
Does the voltage across
PJ6A-8 on PWB-A and
GND change from DC24V
to DC0V when the Start
Key is pressed?
Are the Fusing Rollers
scratched or dirty? Or, has
the replacement time
arrived for the Rollers?
Are the Paper Separator
Fingers dirty with toner or
worn? Are their edges
damaged?
Is the Oil Roller dirty? Or,
has the replacement time
arrived for the Roller?
Does the voltage across
PJ3A-10 on PWB-A and
GND change from DC0V to
DC5V when Paper Exit
Sensor PC53 is not blocked
by a sheet of paper?
Does the voltage across
PJ6A-3 on PWB-A and
GND change from DC5V to
DC0V when 2nd Paper Exit
Sensor PC30 is blocked by
a sheet of paper?
Does the voltage across
PJ2A-3 on PWB-A and
GND change from DC0V to
DC5V when Paper Leading
Edge Detecting Sensor
PC54 is blocked by a sheet
of paper?
T-23
Result Action
Change the paper.
YES Instruct the user in how to
store the paper.
Clean the Guide Plate.
YES Check for possible
scattering of toner.
Check the Belts and Drive
YES
Gear.
Check the DC24V line.
YES Check M4.
Replace PWB-A.
NO
Clean or replace the Rollers.
YES
Clean or replace the
Fingers.
YES
Clean or replace the Roller.
YES
Check the Actuator for
operation.
Check PC53 or PC30, or
both.
NO
Replace PWB-A.
YES
Check the Actuator for
operation.
NO
Check PC54.