Sharp MX-M904 / MX-M1204 (serv.man6) Handy Guide ▷ View online
Trouble Codes
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53
F3
32 Lift up trouble Cassette 3 (Main unit)
42 Lift up trouble Cassette 4 (Main unit)
42 Lift up trouble Cassette 4 (Main unit)
F6
00 ICU-Fax communication trouble (ICU)
01 Fax EEPROM read/write error.
04 Fax modem operation trouble.
21 LIU & Fax soft switch error (combination)
30 Access error to 1-chip on Fax board.
97 Fax Pwb compatibility trouble.
98 Improper Fax & Destination information.
01 Fax EEPROM read/write error.
04 Fax modem operation trouble.
21 LIU & Fax soft switch error (combination)
30 Access error to 1-chip on Fax board.
97 Fax Pwb compatibility trouble.
98 Improper Fax & Destination information.
F9
91 Communication error between MFP and
printer section when booting.
92 Printer PWB hardware error
FF
00 Double feed detection trouble (PCU)
10 Double feed detection trouble (SCU)
10 Double feed detection trouble (SCU)
H2
00 Thermistor open trouble (TH_UM_AD2)
02 Contact thermistor upper sub detection
02 Contact thermistor upper sub detection
thermistor open
03 Non-contact thermistor upper main
compensation thermistor open
H3
00 Fuser high temperature (TH_UM).
02 Fuser high temperature (TH_US).
02 Fuser high temperature (TH_US).
H4
00 Fuser low temperature (TH_UM_AD2)
02 Fuser low temperature (TH_US)
30 Upper main thermistor differential input
02 Fuser low temperature (TH_US)
30 Upper main thermistor differential input
abnormality (TH_UM)
H5
01 5 continuous (POD1 not reach) jams
H7
10 Fuser low temperature recovery error
(TH_UM_AD2)
H7
12 Fuser low temperature recovery error
(TH_US)
L1
00 Scanner feed trouble.
L2
11 Lamp cooling fan motor trouble
L3
00 Scanner return trouble.
L4
01 Main motor lock trouble
02 Main motor 2 lock trouble
03 Fusing motor trouble
04 Toner hopper motor/Developing motor lock
02 Main motor 2 lock trouble
03 Fusing motor trouble
04 Toner hopper motor/Developing motor lock
trouble
14 Toner cartridge motor lock trouble
17 Drum motor lock trouble (K)
27 Decurler motor lock trouble
28 Sub power source cooling fan motor
30 Controller fan motor
31 Machine heat exhaust fan trouble
32 Power source cooling fan trouble
34 LSU/Polygon cooling fan trouble
36 Toner suction fan trouble
38 Reverse transport cooling fan trouble
39 Reverse cooling fan motor trouble
40 Ozone fan motor 1 trouble
41 Ozone fan motor 2 trouble
43 Paper cooling fan trouble
46 Development cooling fan trouble
47 Power cooling fan 3 trouble
48 ADU transport cooling fan 1 motor trouble
49 ADU transport cooling fan 2 motor trouble
50 Process suction fan trouble
54 PS cooling fan trouble
58 Process section peripheral fan trouble
17 Drum motor lock trouble (K)
27 Decurler motor lock trouble
28 Sub power source cooling fan motor
30 Controller fan motor
31 Machine heat exhaust fan trouble
32 Power source cooling fan trouble
34 LSU/Polygon cooling fan trouble
36 Toner suction fan trouble
38 Reverse transport cooling fan trouble
39 Reverse cooling fan motor trouble
40 Ozone fan motor 1 trouble
41 Ozone fan motor 2 trouble
43 Paper cooling fan trouble
46 Development cooling fan trouble
47 Power cooling fan 3 trouble
48 ADU transport cooling fan 1 motor trouble
49 ADU transport cooling fan 2 motor trouble
50 Process suction fan trouble
54 PS cooling fan trouble
58 Process section peripheral fan trouble
L6
10 Polygon motor trouble (LSU)
Trouble Codes
54
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L8
01 No Full wave signal
02 Full wave signal error
20 MFP PWB communication trouble
02 Full wave signal error
20 MFP PWB communication trouble
PC
--
Personal counter not installed
U1
01 Battery trouble.
U2
00 MFP EEPROM read/write error
05 Erroneous detection of account
05 Erroneous detection of account
management data
11 MFP PWB EEPROM check sum error.
30 Serial number discrepancy (MFP – PCU)
40 SD card system storage data error
41 HDD system storage data area error
42 Machine adjustment data (system storage
30 Serial number discrepancy (MFP – PCU)
40 SD card system storage data error
41 HDD system storage data area error
42 Machine adjustment data (system storage
area) error
50 HDD user authentication data check sum
error
60 Watermark check error.
80 SCU PWB EEPROM read/write error.
81 SCU PWB EEPROM check sum error.
90 PCU PWB EEPROM read/write error.
91 PCU PWB EEPROM check sum error
80 SCU PWB EEPROM read/write error.
81 SCU PWB EEPROM check sum error.
90 PCU PWB EEPROM read/write error.
91 PCU PWB EEPROM check sum error
U5
00 DSPF feed unit communication trouble
16 DSPF feed unit fan trouble
30 DSPF tray lift up trouble
31 DSPF tray lift down trouble
16 DSPF feed unit fan trouble
30 DSPF tray lift up trouble
31 DSPF tray lift down trouble
U6
09 LCC lift motor trouble
20 LCC control PWB - PCU PWB
20 LCC control PWB - PCU PWB
communication error
21 LCC transport motor trouble
22 LCC 24V power abnormality
23 A3 LCC tray descending trouble (Reverse
22 LCC 24V power abnormality
23 A3 LCC tray descending trouble (Reverse
winding detection) (A3 LCC)
24 A3 LCC tray lock detection trouble
29 LCT1 lift trouble
33 LCT2 reverse winding detection trouble
29 LCT1 lift trouble
33 LCT2 reverse winding detection trouble
U6
34 LCT2 lock detection trouble
39 LCT2 lift trouble
43 LCT3 reverse winding detection trouble
44 LCT3 lock detection trouble
49 LCT3 lift trouble
51 LCC - Main unit combination trouble
53 Communication trouble between LCT’s
54 Option installation combination trouble
63 Manual feed tray descending trouble
68 Manual feed tray paper feed position
39 LCT2 lift trouble
43 LCT3 reverse winding detection trouble
44 LCT3 lock detection trouble
49 LCT3 lift trouble
51 LCC - Main unit combination trouble
53 Communication trouble between LCT’s
54 Option installation combination trouble
63 Manual feed tray descending trouble
68 Manual feed tray paper feed position
abnormality
69 Manual feed tray lift trouble
73 LCT4 reverse winding detection trouble
74 LCT4 lock detection trouble
79 LCT4 lift motor trouble
80 Relay unit transport motor trouble
81 Power unit cooling fan motor trouble (1
73 LCT4 reverse winding detection trouble
74 LCT4 lock detection trouble
79 LCT4 lift motor trouble
80 Relay unit transport motor trouble
81 Power unit cooling fan motor trouble (1
series)
82 EEPROM trouble (1 series)
83 Room temperature thermistor breakdown
83 Room temperature thermistor breakdown
(1 series)
84 Room humidity thermistor breakdown (1
series)
85 Transport motor 1 trouble (2 series)
86 24V power trouble (2 series)
87 Power unit cooling fan motor trouble (2
86 24V power trouble (2 series)
87 Power unit cooling fan motor trouble (2
series)
88 EEPROM trouble (2 series)
89 Room temperature thermistor breakdown
89 Room temperature thermistor breakdown
(2 series)
90 Room humidity thermistor breakdown (2
series)
U7
50 Communication trouble between main
unit and vendor control
51 Vendor machine error
UC
02 IPD/DOCC - ASIC CPT function trouble
12 IPD/DOCC - ASIC CPT function trouble
12 IPD/DOCC - ASIC CPT function trouble
(DSPF detection)
20 IPD/DOCC-ASIC DOCC function trouble
30 IPD/DOCC-ASIC DOCC function trouble
30 IPD/DOCC-ASIC DOCC function trouble
(DSPF detection)
Trouble Codes
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55
UE
10 LCT1 suction fan motor trouble
11 LCT1 exhaust fan motor trouble
12 LCT1 warm air heater thermistor open
13 LCT1 warm air heater thermistor low
11 LCT1 exhaust fan motor trouble
12 LCT1 warm air heater thermistor open
13 LCT1 warm air heater thermistor low
temperature trouble
14 LCT1 warm air heater thermistor high
temperature trouble
15 LCT1 warm air outlet port thermistor open
16 LCT1 warm air outlet port thermistor low
16 LCT1 warm air outlet port thermistor low
temperature
17 LCT1 warm air outlet port thermistor high
temperature
20 LCT2 suction fan motor trouble
21 LCT2 exhaust fan motor trouble
22 LCT2 warm air heater thermistor open
23 LCT2 warm air heater thermistor low
21 LCT2 exhaust fan motor trouble
22 LCT2 warm air heater thermistor open
23 LCT2 warm air heater thermistor low
temperature trouble
24 LCT2 warm air heater thermistor high
temperature trouble
25 LCT2 warm air outlet port thermistor open
26 LCT2 warm air outlet port thermistor low
26 LCT2 warm air outlet port thermistor low
temperature
27 LCT2 warm air outlet port thermistor high
temperature
UE
30 LCT3 suction fan motor trouble
31 LCT3 exhaust fan motor trouble
32 LCT3 warm air heater thermistor open
33 LCT3 warm air heater thermistor low
31 LCT3 exhaust fan motor trouble
32 LCT3 warm air heater thermistor open
33 LCT3 warm air heater thermistor low
temperature trouble
34 LCT3 warm air heater thermistor high
temperature trouble
35 LCT3 warm air outlet port thermistor open
36 LCT3 warm air outlet port thermistor low
36 LCT3 warm air outlet port thermistor low
temperature
37 LCT3 warm air outlet port thermistor high
temperature
40 LCT4 suction fan motor trouble
41 LCT4 exhaust fan motor trouble
42 LCT4 warm air heater thermistor open
43 LCT4 warm air heater thermistor low
41 LCT4 exhaust fan motor trouble
42 LCT4 warm air heater thermistor open
43 LCT4 warm air heater thermistor low
temperature trouble
44 LCT4 warm air heater thermistor high
temperature trouble
45 LCT4 warm air outlet port thermistor open
46 LCT4 warm air outlet port thermistor low
46 LCT4 warm air outlet port thermistor low
temperature
47 LCT4 warm air outlet port thermistor high
temperature
Sensor Location
56
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