C0071.pdf

MINOLTA EP 1050 - błąd C0071

Witam Może ktoś na hamca butlę źle wcisnął i blokuje parę razy tak miałęm. Masz wycinek serwisów o błęcdzie C0071. Jak chcesz całą a nie ma na elektrodzie to zamieszczę. NO PROBLEM. Pozdrawiam


9-7. Toner Replenishing Motor M8 Malfunction
A defective Toner Replenishing Motor M8 is detected under any of the
following timings:
C0070: M8's Failure to Turn
The output from Toner Hopper Home
Position Sensor PC112 does not go
HIGH within 2 seconds after M8 has
been energized.

M8
2sec
PC112
1139T15MCA
1139T15MCA

The PC112 output does not go LOW
within 10 seconds after it has gone HIGH
following energization of M8.

M8
PC112

10sec
1139T16MCA
1139T16MCA

C0071: M8 Turning at Abnormal Timing
The PC112 output is HIGH 0.5 seconds
after M8 has been deenergized.

M8
0.5sec
PC112

M-29

1139T17MCA
1139T17MCA

3 MALFUNCTIONS
1. Self-Diagnostic Function
The copier CPU is capable of self-diagnosis of the copier conditions and, when detecting a
malfunction, it shows the corresponding malfunction code across the Zoom Ratio Indicator and
Multi-Copy Display. Each malfunction code indicates the particular part which has developed a
malfunction and the type of malfunction. A listing follows showing all malfunction codes and the
description and possible causes of each malfunction.
Zoom Ratio Indicator

C

0

X

Multi-Copy Display

X

X
Represents the detail of malfunction.

Indicates the particular malfunctioning unit of
the greater physical unit.
Indicates the malfunctioning physical unit.

* Copier
Code
C0000

Description

Possible Cause

Main Drive Motor's failure
to turn

o Defective M2

Main Drive Motor turning
at abnormal timing

o Defective M2

o Defective PWB-A
o Overloaded rolls/roller, gear, and belt

C0001

C0010

o Defective PWB-A

PC Drive Motor's failure to o Defective M1
turn
o Defective PWB-A

o Overloaded gear
Drive

C0011

PC Drive Motor turning at
abnormal timing

o Defective M1

C004C

Cooling Fan Motor's
failure to turn

o Defective M9

Power Supply Unit
Cooling Fan Motor's
failure to turn

o Defective M10

Toner Replenishing
Motor's failure to turn

o Defective Toner Hopper Position Sensor PC112

Toner Replenishing Motor
turning at abnormal timing

o Defective Toner Hopper Position Sensor PC112

C004E

C0070

o Defective PWB-A
o Defective PWB-A
o Defective PWB-A

o Defective M8
o Defective PWB-A

C0071

o Defective M8
o Defective PWB-A

T-21

1-4. C0070: Toner Replenishing Motor's failure to turn
C0071: Toner Replenishing Motor turning at abnormal timing
Symbol

PWB-A

PC112
M8
PWB-A

M8

Name
Toner Hopper Home Position
Sensor
Toner Replenishing Motor
Master Board

PC112

1139T022AA

1139C09TAA

T-30

Step

Check Item

Result

Action

1

Is C0071 being shown?

YES

Begin with step 3.

Does the Toner Bottle turn when two
or three copies are made with the
Original Cover raised?

YES

Perform step 3.

2

Make two or three copies with the
Original Cover raised. Does the
voltage across PJ2A-7 on PWB-A and
GND change to DC0V when the Toner
Bottle is stopped and to DC5V when
the Bottle is turned during the copy
cycle?

YES

Make two or three copies with the
Original Cover raised. Does the
voltage across PJ2A-10 on PWB-A
and GND change to DC0V when the
Toner Bottle is stopped and to DC24V
when the Bottle is turned during the
copy cycle?

YES

3

4

NO

Perform step 4.
Replace PWB-A.
Check the Bottle Holder or PC112.

NO

Replace M8.
Replace PWB-A.

NO

T-31


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