AR-C270 (serv.man14). (Section 10) Self Diag Message Troubleshooting - Sharp Copying Equipment Service Manual (repair manual). Page 2

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5. List
Main 
code
Sub
code
Title (Content)
Section 
Operation mode
Remedy
NOTE
A0
0
ROM trouble (PCU MAIN PWB)
PCU MAIN PWB
When POWER ON Power
OFF/ON
C1
10
Main charger trouble (BLACK)
Image process 
Warm-up /
Initialize
Power
Source-ON
C1
11
Main charger trouble (CYAN)
Image process 
Warm-up /
Initialize
Power
Source-ON
C1
12
Main charger trouble  (MAGENTA)
Image process 
Warm-up / 
Initialize
Power
Source-ON
C1
13
Main charger trouble  (YELLOW)
Image process 
Warm-up / 
Initialize
Power
Source-ON
EE
EL
Toner concentration reference control
level setup trouble (Overtoner)
Image process
(Developing)
SIM 25-2
Power
Source-ON
EE
EU Toner concentration reference control
level setup trouble (Undertoner)
Image process
(Developing)
SIM 25-2
Power
source-ON
E7
10
Shading trouble (Black correction)
Scanner (reading)
/ICU SCAN PWB
Warm-up / 
Initialize
Power
source-ON
E7
11
Shading trouble (White correction)
Scanner (reading)
/ICU SCAN PWB
Warm-up / 
Initialize
Power
source-ON
E7
20
Laser beam sensor trouble (BLACK)
Scanner (writing) 
All modes
Power
source-ON
E7
21
Laser beam sensor trouble (CYAN)
Scanner (writing) 
All modes
Power
source-ON
E7
22
Laser beam sensor trouble
(MAGENTA)
Scanner (writing) 
All modes
Power
source-ON
E7
23
Laser beam sensor trouble (YELLOW)
Scanner (writing) 
All modes
Power
source-ON
E7
24
Laser beam detection trouble (BLACK) Scanner (writing) 
All modes
Power
source-ON
E7
25
Laser beam detection trouble (CYAN)
Scanner (writing) 
All modes
Power
source-ON
E7
26
(Laser beam detection trouble
(MAGENTA)
Scanner (writing) 
All modes
Power
source-ON
E7
27
Laser beam detection trouble
(YELLOW)
Scanner (writing) 
All modes
Power
source-ON
E7
30
ICU PWB FLASH ROM trouble
ICU MAIN PWB
Warm-up / 
Initialize
Power
source-ON
E7
90
ICU MAIN PWB - PCU MAIN PWB
communication trouble (PCU side
detection)
ICU MAIN PWB /
PCU MAIN PWB
All modes
Power
source-ON
E8
0
ICU MAIN PWB - PCU MAIN PWB
communication trouble (PCU side
detection)
ICU MAIN PWB /
PCU MAIN PWB
All modes
Power
source-ON
E8
1
ICU MAIN PWB - PCU MAIN PWB
communication trouble (PCU side
detection)
ICU MAIN PWB /
PCU MAIN PWB
All modes
Power
source-ON
F1
0
Communication trouble between PCU
MAIN PWB - Finisher control PWB
(Detected by PCU MAIN PWB)
PCU MAIN PWB /
Finisher control
PWB
When power ON /
initial operation
Power
OFF/ON
F1
2
Finisher paper exit trouble (Finisher
side detection)
Finisher paper exit
When power ON /
initial operation
Power
OFF/ON
F1
10
Finisher staple trouble (Finisher side
detection)
Finisher stapler
When stapling
Power
OFF/ON
F1
11
Finisher bundle process trouble
(Finisher side detection)
Finisher paper exit
When power ON /
initial operation
Power
OFF/ON
F1
15
Finisher tray lift trouble (Finisher side
detection)
Finisher tray lift
All modes
Power
OFF/ON
F1
19
Finisher alignment trouble (Front side)
(Finisher side detection)
Finisher alignment
When POWER ON Power
OFF/ON
F1
20
Finisher alignment trouble (Rear side)
(Finisher side detection)
Finisher alignment
When POWER ON Power
OFF/ON
F1
70
PCU PWB - sorter control PWB
communication trouble (PCU detection)
Sorter / PCU MAIN
PWB
Warm-up / 
Initialize
Power
source-ON
10 – 2A
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