Read Sharp MX-6240N / MX-7040N (serv.man26) Service Manual online
MX-7040N TROUBLESHOOTING 7 – 9
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
F6
00
MFPC PWB - FAX communication trouble
MFP
01
FAX control PWB EEPROM read/write error
FAX
04
FAX MODEM operation trouble
FAX
21
Improper combination of TEL/LIU PWB and FAX soft switch
FAX
30
FAX 1-chip microprocessor access error (FAX detection)
FAX
97
Incompatibility between FAX control PWB and the main machine
MFP
98
Incompatibility between the FAX control PWB destination and the main
machine destination
machine destination
MFP
F9
91
Communication error between MFP and the printer section when booting
MFP
92
Printer (section) PWB hardware error
PRINTER
(section)
PWB
(section)
PWB
H2
00
Thermistor open trouble (TH_UM_AD2)
PCU
01
Non-contact thermistor lower main detection thermistor open
(TH_LM1_AD2)
(TH_LM1_AD2)
PCU
02
Non-contact thermistor upper sub detection thermistor open
(TH_US1_AD2)
(TH_US1_AD2)
PCU
03
Non-contact thermistor upper main compensation thermistor open
(TH_UM_CS)
(TH_UM_CS)
PCU
04
Non-contact thermistor lower main compensation thermistor open
(TH_LM1_AD1)
(TH_LM1_AD1)
PCU
05
Non-contact thermistor upper sub compensation thermistor open
(TH_US1_AD1)
(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
18
Drum motor lock trouble (C)
PCU
19
Drum motor lock trouble (M)
PCU
20
Drum motor lock trouble (Y)
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
Trouble
code
Trouble content
Trouble
detection Mechanism Option Electricity FAX Supply
Main
code
Sub
code
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