Read Sharp AR-C270 (serv.man14) Service Manual online
Main
code
Sub
code
Title (Content)
Section
Operation mode
Remedy
NOTE
H6
0
Fusing oil empty (Oil sensor trouble)
Fusing
All modes
Power
Source-ON
Source-ON
H7
0
AC input voltage (HLV) trouble
Power source
All modes
Power
Source-ON
Source-ON
L1
0
Scanner feed trouble
Scanner (reading)
Initialize / Copy
Power
Source-ON
Source-ON
L3
0
Scanner return trouble
Scanner (reading)
Initialize / Copy
Power
Source-ON
Source-ON
L4
3
Fusing motor trouble
Fusing
Warm-up / Copy/
Print
Power
Source-ON
Source-ON
L4
4
Developing motor trouble (BLACK)
Developing drive
Warm-up / Copy/
Print
Power
Source-ON
Source-ON
L4
5
Developing motor trouble (COLOR)
Developing drive
Warm-up / Copy /
Print
Power
Source-ON
Source-ON
L4
6
Transfer belt lift trouble
Image process
(Transfer)
(Transfer)
Color /
Monochrome copy
(print) mode select
Monochrome copy
(print) mode select
Power
Source-ON
Source-ON
L6
10
Laser scanner (writing) motor lock
detection (BLACK)
detection (BLACK)
Laser scanner
(writing)
(writing)
All modes
Power
Source-ON
Source-ON
L6
11
Laser scanner (writing) motor lock
detection (CYAN)
detection (CYAN)
Laser scanner
(writing)
(writing)
All modes
Power
Source-ON
Source-ON
L6
12
Laser scanner (writing) motor lock
detection (MAGENTA)
detection (MAGENTA)
Laser scanner
(writing)
(writing)
All modes
Power
Source-ON
Source-ON
L6
13
Laser scanner (writing) motor lock
detection (YELLOW)
detection (YELLOW)
Laser scanner
(writing)
(writing)
All modes
Power
Source-ON
Source-ON
L8
1
Power full wave signal (FWS) trouble
Power source
All modes
Power
Source-ON
Source-ON
L8
2
Power full wave signal (FWS) width
trouble
trouble
Power source
All modes
Power
Source-ON
Source-ON
PF
0
RIC copy inhibit signal reception
PCU PWB
RIC
communication
communication
SIM 17
U0
0
Operation control PWB - PCU MAIN
PWB communication trouble
(OPE/PCU detection)
PWB communication trouble
(OPE/PCU detection)
Operation
PWB/PCU MAIN
PWB
PWB/PCU MAIN
PWB
All modes
Power
Source-ON
Source-ON
U0
80
PCU MAIN PWB - PCUSUB PWB
communication trouble (PCU detection)
communication trouble (PCU detection)
PCU SUB
PWB/PCU MAIN
PWB
PWB/PCU MAIN
PWB
All modes
Power
Source-ON
Source-ON
U2
0
EEPROM read/write error (PCU MAIN
PWB)
PWB)
PCU PWB
Warm-up
SIM 16
U2
11
Counter data (EEPROM) check sum
error (PCU MAIN PWB)
error (PCU MAIN PWB)
PCU PWB
All modes
SIM 16
U2
12
Setup/Adjustment value data
(EEPROM) check sum error (PCU
MAIN PWB)
(EEPROM) check sum error (PCU
MAIN PWB)
PCU PWB
All modes
SIM 16
U2
20
EEPROM read/write error (ICU MAIN
PWB)
PWB)
ICU PWB
Warm-up
SIM 16
U2
21
Counter (EEPROM) check sum error
(ICU MAIN PWB)
(ICU MAIN PWB)
ICU PWB
All modes
SIM 16
U2
22
Setup, adjustment value (EEPROM)
check sum error (ICU MAIN PWB)
check sum error (ICU MAIN PWB)
ICU PWB
All modes
SIM 16
U2
30
Manufacturing No. data (ICU MAIN
PWB/PCU MAIN PWB) discrepancy
PWB/PCU MAIN PWB) discrepancy
ICU PWB / PCU
PWB
PWB
All modes
SIM 16
U4
0
PCU MAIN PWB - ADU
communication trouble
communication trouble
PCU PWB / Duplex
control PWB
control PWB
Warm-up /
Initialize
Initialize
Power
Source-ON
Source-ON
U4
2
ADU Alignment plate operation trouble
Duplex
Initialize/Duplex
copy (print)
copy (print)
Power
Source-ON
Source-ON
U4
12
ADU transport motor trouble
Duplex
Duplex copy (print) Power
Source-ON
U5
0
PCU MAIN PWB - RADF
communication trouble
communication trouble
PCU PWB / RADF
control PWB
control PWB
Warm-up /
Initialize
Initialize
Power
Source-ON
Source-ON
U5
1
RADF resist sensor trouble
RADF
RADF
Power
Source-ON
Source-ON
U5
2
RADF expulsion sensor trouble
RADF
RADF
Power
Source-ON
Source-ON
10 – 5A
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