Sharp MX-6500N / MX-7500N (serv.man21) Service Manual ▷ View online
MX-7500N TROUBLESHOOTING 7 – 4
Error where only history data are saved
5: Operation disabled
1: The operation is enabled in a line other than the trouble line.
3: When detected during other than a job, the operation is enabled with a tray other than the trouble tray.
4: When detected during other than a job, the operation is enabled in a section other than the trouble paper exit section. * However, it is valid
only when the escape tray setting has been made.
6: When detected during other than a job, the operation is enabled in the OC mode.
7: When detected in other than a job, the operation is enabled in the OC mode/single surface scan mode.
8: When detected in other than a job, the operation is enabled in other than the duplex color scan mode.
9: When detected during other than a job, the operation is enabled in the black and white mode.
3: When detected during other than a job, the operation is enabled with a tray other than the trouble tray.
4: When detected during other than a job, the operation is enabled in a section other than the trouble paper exit section. * However, it is valid
only when the escape tray setting has been made.
6: When detected during other than a job, the operation is enabled in the OC mode.
7: When detected in other than a job, the operation is enabled in the OC mode/single surface scan mode.
8: When detected in other than a job, the operation is enabled in other than the duplex color scan mode.
9: When detected during other than a job, the operation is enabled in the black and white mode.
*10: Since communication is enabled, reception can be transferred. (Noted in the list print category of the system setting screen operation
because it is an operation on the system setting screen.)
11: When detected during other than a job, the operation is enabled in other than the DESK and the LCC.
because it is an operation on the system setting screen.)
11: When detected during other than a job, the operation is enabled in other than the DESK and the LCC.
*12: Trouble display message is displayed in 2 lines. (Example: Ready to copy. F2 trouble)
*13: When FIERY (EFI) option is installed, PCL will not operate. (Machine specifications) (Exclusive)
*14: Only FIERY (EFI) option list print (self print) is disabled.
15: When in U2-22, trouble notification cannot be made. When in U2-23, if either of the FAX soft SW or the FAST data cannot be restored,
the data are initialized, disabling trouble notification.
17: Job execution enable only in a format other than high compression PDF.
15: When in U2-22, trouble notification cannot be made. When in U2-23, if either of the FAX soft SW or the FAST data cannot be restored,
the data are initialized, disabling trouble notification.
17: Job execution enable only in a format other than high compression PDF.
*19: When the color mode is set to disable in the "Color mode disable setting" of the system setting, the operation is enabled in the black and
white mode.
white mode.
Operation
disable trouble
disable trouble
Connection trouble
(SCU detection)
(SCU detection)
SCU
A0 (22)
5
5
5
5
5
5
5
5
5
Color system
trouble (SCU
detection)
trouble (SCU
detection)
SCU color system
breakdown (SCU
detection)
breakdown (SCU
detection)
UC (02)
9
9
9
9
9
Color system
trouble (DSPF
detection)
trouble (DSPF
detection)
SCU color system
breakdown (DSPF
detection)
breakdown (DSPF
detection)
UC (12)
8
8
8
8
8
Anti-copy
trouble
trouble
Anti-copy system
UC (20)
5
5
5
5
5
Anti-copy
trouble (DSPF
detection)
trouble (DSPF
detection)
Anti-copy system
(DSPF detection)
(DSPF detection)
UC (30)
7
7
7
7
7
Scanner trouble
1
1
EEPROM system
U2 (80, 81)
5
5
5
5
5
Scanner trouble
2
2
Scanner section
breakdown (mirror
motor, lens, copy
lamp)
breakdown (mirror
motor, lens, copy
lamp)
L1 (00)
L2 (11)
L3 (00)
U9(01)
L2 (11)
L3 (00)
U9(01)
5
5
5
5
5
CCD trouble
CCD breakdown
(shading, etc.)
(shading, etc.)
E7 (10, 11, 14)
5
5
5
5
5
DSPF/DF
trouble
trouble
DSPF/DF breakdown
U5 (00, 16, 30, 31)
6
6
6
6
6
SPF back
surface trouble
surface trouble
General troubles in
the SPF back surface
scanning section
the SPF back surface
scanning section
E6 (10, 11, 14)
7
7
7
7
7
Trouble content
Judg-
ment
block
Trouble code
Operatable mode
Copy scan
(including
interrup-
tion)
Scan
(Push)
Scan
(Pull)
Scan-
To
HDD
Print
List
print
FAX
Send
FAX
print
FAST
Notifi-
cation
cation
to host
Error history
PCU
F2 (45)
MFP
E7 (02)
U2 (05)
U2 (05)
Trouble content
Judg-
ment
block
Trouble code
Operatable mode
Copy scan
(including
interrup-
tion)
Scan
(Push)
Scan
(Pull)
Scan-
To
HDD
Print
List
print
FAX
Send
FAX
print
FAST
Notifi-
cation
cation
to host
MX-7500N TROUBLESHOOTING 7 – 5
(2)
Trouble detection sequence and trouble cancel sequence when turning on the power
The process has priority when the power is turned ON with the MFP.
When booting, two or more troubles in the list below may be detected. In this case, the trouble code of higher priority is displayed.
Process sequence
Error code
Content
First
(Low priority)
Last
(High priority)
U2
60
Watermark check error
50
HDD user authentication data check sum error
30
MFPC PWB and PCU PWB manufacturing No. data inconsistency
A0
15
Incompatible DSK BOOT and program firmware
20
Conflict firmware and EEPROM data version (MFP)
U2
11
MFPC PWB EEPROM counter check sum error
00
MFP EEPROM read/write error
E7
48
Scanner expansion PWB (ACRE) ASIC memory error
42
Image data trouble (Scanner expansion PWB (ACRE) ASIC)
96
MFPC PWB DIMM memory check error (MFPC PWB)
95
Printer PWB DIMM memory check error (PRINTER section)
U1
01
Battery trouble
E7
60
Combination error between PWB and firmware (MFPC PWB detection)
A0
04
Scanner expansion PWB (ACU) (ACRE) ROM error
(Power ON sequence)
H3, H4, H5
Saved in the PCU
U1
Saved in the MFP
U2
Saved in each block
U6-09
Saved in the PCU
F3-12, 22
Saved in the PCU
(Trouble cancel sequence)
When executing SIM 13, 14, 15, 16
H3, H4, H5, U1, U2, U6, F3 trouble check
SIM13: U1 trouble cancel
SIM14: H3, H4, H5
SIM14: H3, H4, H5
(Color mode inhibition) cancel
SIM15: U6 trouble cancel,
F3-12, F3-22 trouble cancel
SIM16: U2 trouble cancel
Each block
MFP event
manager
manager
Communication of trouble status
[Trouble code] [Trouble status]
[Trouble code] [Trouble status]
Trouble cancel command
When the power is turned on,
check is made in each block.
check is made in each block.
Trouble cancel status
is communicated.
is communicated.
Trouble cancel
(The trouble memory is
initialized.)
(The trouble memory is
initialized.)
sim task
Trouble check is preformed in each block,
and the result is sent to the MFP.
and the result is sent to the MFP.
MX-7500N TROUBLESHOOTING 7 – 6
F. Error code list
Trouble code
Trouble content
Trouble
detection
Mechanism
Option
Electricity
FAX
Supply
Main
code
code
Sub
code
A0
01
PCU PWB ROM error
MFP
○
02
SCU PWB ROM error
MFP
○
04
Scanner expansion PWB (ACU) (ACRE) ROM error
MFP
○
10
Color profile error
MFP
○
15
Incompatible DSK BOOT and program firmware
MFP
○
17
Inconsistency between the UI data and the CPU firmware version
MFP
○
20
Conflict firmware and EEPROM data version (MFP)
MFP
○
21
Conflict firmware and EEPROM data version (PCU)
PCU
○
22
Conflict firmware and EEPROM data version (SCU)
SCU
○
C1
01
Charger cleaner trouble (K)
PCU
○
03
Charger cleaner trouble (C)
PCU
○
05
Charger cleaner trouble (M)
PCU
○
07
Charger cleaner trouble (Y)
PCU
○
10
Main charger trouble (Monochrome)
PCU
○
14
Main charger trouble (Color)
PCU
○
C4
00
PTC trouble
PCU
○
01
PTC (Pre Transfer Charger) cleaner trouble
PCU
○
20
Primary transfer output open trouble
Primary
transfer
transfer
○
21
Primary transfer output short trouble
Primary
transfer
transfer
○
30
Secondary transfer output open trouble
Secondary
transfer
transfer
○
31
Secondary transfer output short trouble
Secondary
transfer
transfer
○
E6
10
Shading error (Black correction)
SCU
○
11
Shading error (White correction)
SCU
○
14
CCD-ASIC error
SCU
○
E7
01
MFP image data error
MFP
○
02
HDD trouble when the mirroring kit is installed
MFP
○
03
HDD trouble (When the mirroring kit is not installed)
MFP
○
03
HDD trouble (When the mirroring kit is installed)
MFP
○
04
HDD-ASIC error
MFP
○
07
SD card error
MFP
○
10
Shading error (Black correction)
SCU
○
11
Shading error (White correction)
SCU
○
14
CCD-ASIC error
SCU
○
20
LSU laser detection and deterioration error (K)
PCU
○
21
LSU laser deterioration error (C)
PCU
○
22
LSU laser deterioration error (M)
PCU
○
23
LSU laser deterioration error (Y)
PCU
○
24
LSU LD driver trouble (K)
PCU
○
25
LSU LD driver trouble (C)
PCU
○
26
LSU LD driver trouble (M)
PCU
○
27
LSU LD driver trouble (Y)
PCU
○
28
LSU - PCU connection error
PCU
○
29
LSU ASIC frequency error
PCU
○
35
Communication trouble with the CIS-ASIC
PCU
○
36
CIS-ASIC black level detection abnormality
PCU
○
37
CIS-ASIC white level detection abnormality
PCU
○
42
Image data trouble (Scanner expansion PWB (ACRE) ASIC)
MFP
○
46
Image data decode error (Scanner expansion PWB (ACRE) ASIC)
MFP
○
47
Combination error between MFP and ACRE firmware (ACRE
ASIC)
ASIC)
MFP
○
48
Scanner expansion PWB (ACRE) ASIC memory error
MFP
○
49
Water Mark data error
MFP
○
50
Combination error between PWB and firmware (PCU PWB detection)
PCU
○
55
PWB information sum error (engine detection)
PCU
○
60
Combination error between PWB and firmware (MFPC PWB detection)
MFP
○
61
Combination error between the MFPC PWB and the PCU PWB
(MFPC PWB detection)
(MFPC PWB detection)
MFP
○
80
MFP - SCU PWB communication error
MFP
○
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)
(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.
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
code
Sub
code