DOWNLOAD Sharp MX-6500N / MX-7500N (serv.man21) Service Manual ↓ Size: 561.77 KB | Pages: 66 in PDF or view online for FREE

Model
MX-6500N MX-7500N (serv.man21)
Pages
66
Size
561.77 KB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Section 7 Troubleshooting
File
mx-6500n-mx-7500n-sm21.pdf
Date

Sharp MX-6500N / MX-7500N (serv.man21) Service Manual ▷ View online

MX-7500N  TROUBLESHOOTING  7 – 7
E7
90
MFP - PCU PWB communication error
MFP
92
Copy image data error
MFP
93
Copy, image send, filing, print image data process error
MFP
94
Image file data process error (when importing file data)
MFP
96
MFPC PWB DIMM memory check error
MFP
A0
LSU EEPROM/LD driver read/write error (K)
PCU
A1
LSU EEPROM/LD driver read/write error (C)
PCU
A2
LSU EEPROM/LD driver read/write error (M)
PCU
A3
LSU EEPROM/LD driver read/write error (Y)
PCU
A5
Installation error of HDD which was used in the mirroring kit
MFP
A6
Compact flash memory trouble
EE
EC
Automatic toner density adjustment error
PCU
EL
Automatic toner density adjustment error (Over toner)
PCU
EU
Automatic toner density adjustment error (Under toner)
PCU
F0
03
Finisher paper exit roller lift motor section abnormality (FNM110)
PCU
08
Finisher stapler shift motor section abnormality (FNM107)
PCU
10
Finisher staple motor section abnormality (FNM115)
PCU
11
Finisher bundle exit motor section abnormality (FNM116)
PCU
14
Finisher paper rear edge falling motor section abnormality (FNM113)
PCU
15
Finisher tray lift motor section abnormality (FNM106)
PCU
18
Finisher rear edge hold motor section abnormality (FNM118)
PCU
19
Finisher paper alignment motor F section abnormality (FNM108)
PCU
20
Finisher paper alignment motor R section abnormality (FNM109)
PCU
23
Shutter trouble (FNCL102)
PCU
25
Finisher paper transport roller lift motor section abnormality (FNM119)
PCU
28
Finisher paper alignment roller lift motor section abnormality (FNM112)
PCU
29
Finisher PWB cooling fan abnormality (FNFAN102)
PCU
30
Communication trouble between the finisher and the saddle
PCU
31
Finisher saddle folding motor section abnormality (FSM206)
PCU
32
Finisher relay unit transport motor section abnormality (PIM301)
PCU
33
Finisher punch shift motor section abnormality (FCM101)
PCU
34
Finisher punch motor section abnormality (FCM102
PCU
37
Finisher backup RAM trouble
PCU
40
Communication trouble between the finisher saddle and the trimmer.
PCU
41
Finisher saddle lead edge stopper motor section abnormality (FSM203)
PCU
42
Finisher saddle folding roller guide motor section abnormality (FSM204)
PCU
43
Finisher saddle alignment motor section abnormality (FSM212)
PCU
44
Finisher saddle rear edge hold motor section abnormality (FSM210)
PCU
45
Finisher saddle staple motor section abnormality (FSM209)
PCU
46
Finisher saddle rear edge shift motor section abnormality (FSM211)
PCU
47
Finisher saddle flap motor section abnormality (FSM213)
PCU
48
Finisher saddle push motor section abnormality (FSM205)
PCU
49
Finisher saddle separation motor section abnormality (FSM214)
PCU
51
Finisher trimmer cutter motor abnormality (FTM106)
PCU
52
Finisher trimmer registration motor section abnormality (FTM102)
PCU
53
Finisher trimmer inlet port separation motor abnormality (FTM103)
PCU
54
Finisher trimmer paper exit separation motor section abnormality 
(FTM104)
PCU
55
Finisher trimmer bundle press motor section abnormality (FTM105)
PCU
56
Paper remaining trouble in the finisher trimmer 
PCU
60
Communication trouble between the stacker first series and the 
downstream units.
PCU
61
Stacker first series offset unit abnormality
PCU
62
Stacker first series front side jogger abnormality
PCU
63
Stacker first series rear side jogger abnormality
PCU
64
Stacker first series lead edge jogger abnormality
PCU
65
Stacker first series stack tray abnormality
PCU
70
Communication trouble between the finisher and the folding unit
PCU
71
Folding unit lead edge holding guide motor section abnormality (FLM10)
PCU
72
Folding unit backup RAM trouble
PCU
73
Folding unit power fan abnormality
PCU
74
Folding unit folding tray paper exit motor section abnormality (FLM14)
PCU
75
Folding unit upper stopper motor section abnormality (FLM8)
PCU
76
3-fold stopper motor section in the folding unit is abnormal (FLM9)
PCU
77
Folding unit transport motor section abnormality (FLM11)
PCU
80
Finisher power cooling fan motor abnormality (FNFAN101)
PCU
81
Finisher upper tray fan abnormality (FNFAN103)
PCU
Trouble code
Trouble content
Trouble 
detection
Mechanism
Option
Electricity
FAX
Supply
Main 
code
Sub 
code
MX-7500N  TROUBLESHOOTING  7 – 8
F0
82
Finisher lower tray fan abnormality (FNFAN104)
PCU
83
Finisher paper guide motor section abnormality (FNM120)
PCU
84
Finisher grip section abnormality (FNM117)
PCU
85
Booklet finisher detection trouble
PCU
86
Finisher discharged paper hold motor section abnormality (FNM114)
PCU
90
Communication trouble between the stacker second series and the 
downstream units
PCU
91
Stacker second series offset unit abnormality
PCU
92
Stacker second series front side jogger abnormality
PCU
93
Stacker second series rear side jogger abnormality
PCU
94
Stacker second series lead edge jogger abnormality
PCU
95
Stacker second series stack tray abnormality
PCU
F1
00
Finisher - PCU PWB communication error
PCU
21
Abnormality of relay unit fan motor inside the machine (FDCM)
PCU
50
Main unit - Finisher combination error
PCU
60
Communication trouble between peripheral devices (Inserter detection)
PCU
64
No. 1 pickup motor trouble
PCU
65
No. 2 pickup motor trouble
PCU
66
No. 1 lift motor trouble
PCU
67
No. 2 lift motor trouble
PCU
90
Communication trouble between the decurler and the downstream units.
PCU
96
Decurler transport motor abnormality (DCM100)
PCU
97
Decurler unit fan 1 (Upper cooling fan) abnormality (DCFAN100)
PCU
98
Decurler unit fan 2 (Lower cooling fan) abnormality (DCFAN103)
PCU
99
Decurler unit fan 3 (Transport motor cooling fan) abnormality (DCFAN101)
PCU
F2
22
Discharge lamp trouble (K)
PCU
23
Discharge lamp trouble (C)
PCU
24
Discharge lamp trouble (M)
PCU
25
Discharge lamp trouble (Y)
PCU
39
Process temperature sensor trouble
PCU
40
Toner density sensor trouble (K)
PCU
41
Toner density sensor trouble (C)
PCU
42
Toner density sensor trouble (M)
PCU
43
Toner density sensor trouble (Y)
PCU
45
Color image density sensor trouble
PCU
49
LSU thermistor trouble
PCU
50
K drum phase sensor trouble
PCU
51
CL drum phase sensor trouble (C)
PCU
52
CL drum phase sensor trouble (M)
PCU
53
CL drum phase sensor trouble (Y)
PCU
58
Temperature/humidity sensor trouble (HUD_M/TH_M)
PCU
64
Toner supply operation trouble (K)
PCU
65
Toner supply operation trouble (C)
PCU
66
Toner supply operation trouble (M)
PCU
67
Toner supply operation trouble (Y)
PCU
F2
70
Improper toner cartridge detection (K)
PCU
71
Improper toner cartridge detection (C)
PCU
72
Improper toner cartridge detection (M)
PCU
73
Improper toner cartridge detection (Y)
PCU
74
Toner cartridge CRUM error (K)
PCU
75
Toner cartridge CRUM error (C)
PCU
76
Toner cartridge CRUM error (M)
PCU
77
Toner cartridge CRUM error (Y)
PCU
78
Registration/BK image density sensor trouble
PCU
79
Temperature thermistor of transfer unit trouble
PCU
91
High density process control high voltage error (K)
PCU
92
High density process control high voltage error (C)
PCU
93
High density process control high voltage error (M)
PCU
94
High density process control high voltage error (Y)
PCU
A0
After-transfer discharge lamp open trouble (K)
PCU
A1
After-transfer discharge lamp open trouble (C)
PCU
A2
After-transfer discharge lamp open trouble (M)
PCU
A3
After-transfer discharge lamp open trouble (Y)
PCU
F3
12
Paper feed tray 1 lift operation trouble
PCU
22
Paper feed tray 2 lift operation trouble
PCU
32
Main body cassette 3 lift trouble
PCU
42
Main body cassette 4 lift trouble
PCU
FF
00
Double feed detection trouble (PCU)
PCU
Trouble code
Trouble content
Trouble 
detection
Mechanism
Option
Electricity
FAX
Supply
Main 
code
Sub 
code
MX-7500N  TROUBLESHOOTING  7 – 9
H2
00
Thermistor open trouble (TH_UM_AD2)
PCU
01
Non-contact thermistor lower main detection thermistor open 
(TH_LM1_AD2)
PCU
02
Non-contact thermistor upper sub detection thermistor open 
(TH_US1_AD2)
PCU
03
Non-contact thermistor upper main compensation thermistor open 
(TH_UM_CS)
PCU
04
Non-contact thermistor lower main compensation thermistor open 
(TH_LM1_AD1)
PCU
05
Non-contact thermistor upper sub compensation thermistor open 
(TH_US1_AD1)
PCU
06
Upper edge section thermistor open (TH_US2)
PCU
07
Lower edge section thermistor open (TH_LM2)
PCU
H3
00
Fusing section high temperature trouble (TH_UM)
PCU
01
Fusing section high temperature trouble (TH_LM)
PCU
02
Fusing section high temperature trouble (TH_US)
PCU
H4
00
Lower main thermistor differential input abnormality (TH_LM1)
PCU
01
Fusing section low temperature trouble (TH_LM)
PCU
02
Fusing section low temperature trouble (TH_US)
PCU
30
Upper main thermistor differential input abnormality (TH_UM)
PCU
31
Lower main thermistor differential input abnormality (TH_LM1)
PCU
32
Upper sub thermistor differential input abnormality (TH_US1)
PCU
H5
01
5 times continuous POD1 not-reach jam
PCU
H7
10
Recovery error from low fuser temp. (TH_UM_AD2)
PCU
11
Recovery error from low fuser temp. (TH_LM)
PCU
L1
00
Scanner feed trouble
SCU
L2
11
Lamp cooling fan motor trouble
SCU
L3
00
Scanner return trouble
SCU
L4
02
Paper feed motor trouble
PCU
03
Fusing motor trouble
PCU
06
Transfer unit lift trouble
PCU
07
Transfer belt motor trouble
PCU
08
Waste toner transport motor lock
PCU
16
Fusing pressure release trouble
PCU
17
Drum motor lock trouble (K)
PCU
L4
18
Drum motor lock trouble (C)
PCU
19
Drum motor lock trouble (M)
PCU
20
Drum motor lock trouble (Y)
PCU
25
2nd transfer belt motor trouble
PCU
28
Sub power source cooling fan motor
MFP
30
Controller fan motor
MFP
31
Paper exit cooling fan F trouble
PCU
32
Power source cooling fan 1 trouble
PCU
34
LSU cooling fan trouble
PCU
35
Paper exit exhaust fan trouble
PCU
36
Fusing cooling fan trouble
PCU
39
Machine ventilation fan (R)
PCU
40
Ozone fan motor 1 trouble
PCU
41
Ozone fan motor 2 trouble
PCU
42
Ozone fan motor 3 trouble
PCU
43
Paper exit cooling fan R trouble
PCU
44
Power source cooling fan 2 trouble
PCU
48
ADU transport cooling fan motor F trouble
PCU
49
ADU transport cooling fan motor R trouble
PCU
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
63
2nd transfer belt skew correction motor 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
PC
-
Personal counter not detected
MFP
U1
01
Battery trouble
MFP
Trouble code
Trouble content
Trouble 
detection
Mechanism
Option
Electricity
FAX
Supply
Main 
code
Sub 
code
MX-7500N  TROUBLESHOOTING  7 – 10
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
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 trouble
PCU
80
Relay unit transport motor trouble
PCU
81
Power unit cooling fan motor trouble 
PCU
82
EEPROM trouble 
PCU
83
Room temperature thermistor breakdown 
PCU
84
Room humidity thermistor breakdown 
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
U9
01
Touch panel trouble
SCU
UC
02
CPT - ASIC error
SCU
12
CPT - ASIC abnormal trouble (DSPF detection)
SCU
20
DOCC ASIC error
SCU
30
Anti-copy MODULE trouble (DSPF detection)
SCU
Trouble code
Trouble content
Trouble 
detection
Mechanism
Option
Electricity
FAX
Supply
Main 
code
Sub 
code
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