0650: Scanner Home Sensor Abnormalities; 0F52: Toner Level Sensor/Y Malfunction; 0F53: Toner Level Sensor/M Malfunction; 0F54: Toner Level Sensor/C Malfunction - Konica Minolta bizhub C25 Service Manual

Field Service Ver. 1.1 May 2011
18.4.16

0650: Scanner home sensor abnormalities

Scanner motor (M101)
Print control board (PRCB)
Step
1 Check to see if the lock lever of the Scan-
ner unit is unlocked and unlock the lock
lever if it is locked.
2 Check the M101 connector for proper con-
nection and correct as necessary.
3 Check M101 for proper drive coupling and
correct as necessary.
4 Check the PRCB connector for proper con-
nection and correct as necessary.
5 M101 operation check.
6 Change PRCB.
7 Change DCPU.
18.4.17

0F52: Toner level sensor/Y malfunction

18.4.18

0F53: Toner level sensor/M malfunction

18.4.19

0F54: Toner level sensor/C malfunction

18.4.20

0F55: Toner level sensor/K malfunction

Toner level sensor/Y (PS13)
Toner level sensor/M (PS14)
Toner level sensor/C (PS15)
Toner level sensor/K (PS16)
Step
1 Check the connector between each sen-
sor-PRCB PJ21 for proper connection and
correct as necessary.
2 Replace the toner level sensor of the corre-
sponding color.
3 Change PRCB.
Relevant electrical parts
Action
Relevant electrical parts
Action
18. MALFUNCTION CODE
DC power supply (DCPU)
WIRING DIAGRAM
Control signal
-
-
-
-
MFPB/1 P106
-
-
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
-
-
-
Location (electri-
cal component)
-
-
-
-
C-1
-
-
Location (electri-
cal component)
-
-
-
293