Read Sharp MX-1800N (serv.man16) Service Manual online
MX-1800N SELF DIAG AND TROUBLE CODE 8 – 6
F2
84
Half tone process control 2nd patch reference value
trouble (BLACK)
trouble (BLACK)
PCU
85
Half tone process control 2nd patch reference value
trouble (CYAN)
trouble (CYAN)
PCU
86
Half tone process control 2nd patch reference value
trouble (MAGENTA)
trouble (MAGENTA)
PCU
87
Half tone process control 2nd patch reference value
trouble (YELLOW)
trouble (YELLOW)
PCU
92
High-density process control density correction error
(CYAN)
(CYAN)
PCU
93
High-density process control density correction error
(MAGENTA)
(MAGENTA)
PCU
94
High-density process control density correction error
(YELLOW)
(YELLOW)
PCU
F3
12
Main unit tray 1 lift-up trouble
PCU
22
Main unit tray 2 lift-up trouble
PCU
F6
00
Communication trouble between the ICU and the FAX
Refer to FAX manual for details
01
FAX board EEPROM read/write error
04
FAX MODEM operation trouble
21
Combination error between the TEL/LIU PWB and the
FAX soft switch
FAX soft switch
30
Access error to power controller on the FAX board
(FAX detection)
(FAX detection)
97
FAX PWB incompatibility trouble
98
Combination error between the FAX-BOX PWB
destination information and the machine destination
information.
destination information and the machine destination
information.
H2
00
Non-contact thermistor detection thermistor open
(TH_UM_AD2)
(TH_UM_AD2)
PCU
01
Lower thermistor open (TH_LM)
PCU
02
Sub thermistor open (TH_US)
PCU
03
Non-contact thermistor compensation thermistor open
(TH_UM_AD1)
(TH_UM_AD1)
PCU
H3
00
Fusing section high temperature trouble (TH_UM)
PCU
01
Fusing section high temperature trouble (TH_LM)
PCU
02
Sub thermistor fusing section high temperature trouble
(TH_US)
(TH_US)
PCU
H4
00
Fusing section low temperature trouble (TH_UM_AD2)
PCU
01
Fusing section low temperature trouble (TH_LM)
PCU
02
Sub thermistor fusing section low temperature trouble
(TH_US)
(TH_US)
PCU
30
Thermistor differential input trouble (TH_UM)
PCU
H5
01
5 continuous detection of POD1 not-reached jam
PCU
L1
00
Mirror feed trouble
Scanner
L3
00
Mirror return trouble
Scanner
L4
02
Paper feed motor lock trouble
PCU
04
Developing motor trouble (BLACK)
PCU
05
Developing motor trouble (COLOR)
PCU
06
Transfer belt separation position sensor trouble
PCU
11
Shift motor trouble
PCU
30
Controller fan/HDD fan motor trouble
MFP
31
Paper exit cooling fan trouble
PCU
32
Power cooling fan/ozone exhaust fan trouble
PCU
L6
10
Polygon motor lock detection
LSUcnt
L8
01
No full wave signal
PCU
02
Full wave signal width abnormality
PCU
20
Power controller communication trouble
MFP
PC
--
Personal counter not installed
MFP
U1
01
Battery trouble
MFP
U2
00
EEPROM read/write error (MFP detection)
MFP
05
HDD/Flash/EEPROM data discrepancy
MFP
10
SRAM user authentication index check sum error
MFP
11
EEPROM check sum error (MFP detection)
MFP
22
SRAM memory check sum error
MFP
23
MFPC section SRAM memory individual data check
sum error
sum error
MFP
24
SRAM memory user authentication counter check sum
error
error
MFP
25
Flash memory user authentication counter check sum
error
error
MFP
30
Serial number data discrepancy (MFP
PCU)
MFP
Trouble code
Trouble code content
Remarks
Trouble
detection
Mechanism
Option
Electricity
FAX
Supply
Main
code
code
Sub
code
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