Read Sharp MX-M623U / MX-M753U (serv.man6) Handy Guide online
Trouble Codes
F2
31
Image density sensor trouble
39
Process thermister trouble
40
Toner empty sensor trouble (K)
46
Developing thermistor trouble
47
Room temperature thermistor trouble
48
Developing humidity sensor trouble
59
Room humidity sensor trouble
64
Toner supply operation trouble
68
Waste toner full sensor trouble
69
Waste toner full detection
70
Improper toner cartridge detection (K)
74
Toner cartridge CRUM error (K)
F3
12
Paper feed tray 1 lift trouble
22
Paper feed tray 2 lift trouble
32
Paper feed tray 3 lift trouble
42
Paper feed tray 4 lift trouble
F6
00
MFP-Fax communication trouble
01
Fax board EEPROM read/write error
04
Fax modem operation trouble
21
TEL/LIU PWB & Fax soft switch error
30
Access error to 1-chip on Fax board
97
Fax PWB incompatibility trouble
98
Fax PWB & Destination information error
H2
00
Thermistor open trouble (TH_UM)
01
Thermistor open trouble (TH_US)
H3
00
Fuser high temperature (TH_UM)
01
Fuser high temperature (TH_US)
H4
00
Fuser low temperature (TH_UM)
01
Fuser low temperature (TH_US)
H5
01
5 continuous (POD1 not reached) jams
detected.
detected.
H7
10
Fuser low temperature trouble (TH_UM)
11
Fuser low temperature trouble (TH_US)
L1
00
Scanner feed trouble
L3
01
Scanner return trouble
L4
01
Main motor trouble
02
Drum motor trouble
03
Fuser motor lock trouble
04
Developer motor trouble (K)
06
Transfer separation motor trouble
08
Waste toner transport trouble
30
MFP fan motor trouble
31
Fusing section cooling fan (CFM-U1/3)
trouble.
trouble.
32
Power cooling fan (CFM-DC1/DC2) trouble
35
Fusing exhaust fan (VFM-EX1/2/3) trouble.
38
Fusing section cooling fan (CFM-U4) trouble.
40
Process exhaust fan (VFM-EX1/2/3)trouble
43
Fusing exhaust fan (VFM-BKU) trouble.
46
Developing section cooling fan(CFM-DV)
trouble.
trouble.
50
Procsee cooling fan (CFM-R1/2/3) trouble.
56
Fusing section cooling fan (CFM-U2) trouble.
58
Process exhaust fan (VFM-BKL) trouble.
L6
10
Polygon motor trouble (LSU)
L8
01
No Full wave signal is detected
02
Full wave signal error
20
MFP - Motherboard communication error
F3
38
Voltage trouble
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