Read Sharp MX-6240N / MX-7040N (serv.man26) Service Manual online
MX-7040N TROUBLESHOOTING 7 – 10
L4
57
Toner bottle cooling fan motor trouble
PCU
60
Fusing pressure roller cooling fan motor F trouble
PCU
61
Fusing pressure roller cooling fan motor R trouble
PCU
L6
10
Polygon motor trouble
PCU
L8
01
Full wave signal detection error
PCU
02
Full wave signal error
PCU
11
AC Cord 2 (power for fusing) full wave not detected
PCU
12
AC Cord 2 (power for fusing) full wave signal width abnormality
PCU
20
Communication error of MFPC PWB/SCN mother board
MFP
P1
00
PCI communication error
MFP
01
PCI fan error
MFP
02
Plasma generating device error
MFP
PC
-
Personal counter not detected
MFP
U1
01
Battery trouble
MFP
U2
00
MFP EEPROM read/write error
MFP
05
Erroneous detection of account management data
MFP
11
MFPC PWB EEPROM counter check sum error
MFP
30
MFPC PWB and PCU PWB manufacturing No. data inconsistency
MFP
40
SD card system storage data area error
MFP
41
HDD system storage data area error
MFP
42
Machine adjustment data (system storage data area) error
MFP
50
HDD user authentication data check sum error
MFP
60
Watermark check error
MFP
80
SCU PWB EEPROM read/write error
SCU
81
SCU PWB EEPROM check sum error
SCU
90
PCU PWB EEPROM read/write error
PCU
91
PCU PWB EEPROM check sum error
PCU
U5
00
Document feed unit communication error
SCU
16
Document feed unit fan trouble
SCU
30
Document feed unit tray lift up trouble
SCU
31
Document feed unit tray lift down trouble
SCU
U6
09
LCC lift motor trouble
PCU
20
LCC control PWB - PCU PWB communication error
PCU
21
LCC transport motor trouble
PCU
22
LCC 24V power abnormality
PCU
23
A3 LCC tray descending trouble (Reverse winding detection) (A3 LCC)
PCU
24
A3 LCC tray lock detection trouble
PCU
28
LCT1 paper feed position abnormality
PCU
29
LCT1 lift trouble
PCU
33
LCT2 reverse winding detection trouble
PCU
34
LCT2 lock detection trouble
PCU
39
LCT2 lift trouble
PCU
43
LCT3 reverse winding detection trouble
PCU
44
LCT3 lock detection trouble
PCU
49
LCT3 lift trouble
PCU
51
LCC - Main unit combination trouble
PCU
53
Communication trouble between LCT’s
PCU
54
Option installation combination trouble
PCU
63
Manual feed tray descending trouble
PCU
68
Manual feed tray paper feed position abnormality
PCU
69
Manual feed tray lift trouble
PCU
73
LCT4 reverse winding detection trouble
PCU
74
LCT4 lock detection trouble
PCU
79
LCT4 lift motor trouble
PCU
80
Relay unit transport motor trouble
PCU
81
Power unit cooling fan motor trouble (1 series)
PCU
82
EEPROM trouble (1 series)
PCU
83
Room temperature thermistor breakdown (1 series)
PCU
84
Room humidity thermistor breakdown (1 series)
PCU
85
Transport motor 1 trouble (2 series)
PCU
86
24V power trouble (2 series)
PCU
87
Power unit cooling fan motor trouble (2 series)
PCU
88
EEPROM trouble (2 series)
PCU
89
Room temperature thermistor breakdown (2 series)
PCU
90
Room humidity thermistor breakdown (2 series)
PCU
U7
50
MFPC PWB - Vendor machine communication error
MFP
51
Vendor machine error
MFP
Trouble
code
Trouble content
Trouble
detection Mechanism Option Electricity FAX Supply
Main
code
Sub
code
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