Details Of Trouble Codes - Sharp AR-M350U Service Manual

Trouble Contents
codes
F6 00 FAX board communication
trouble
01 FAX expansion Flash Rom
abnormality
04 FAX MODEM operation
abnormality
F7 01 FAX board EEPROM
read/write error
H2 00 Thermistor open (HL1)
01 Thermistor open (HL2)
H3 00 Heat roller high temperature
detection (HL1)
01 Heat roller high temperature
detection (HL2)
H4 00 Heat roller low temperature
detection (HL1)
01 Heat roller low temperature
detection (HL2)
H5 01 5-time continuous POD1
not-reaching JAM detection
L1 00 Scanner feed trouble
L3 00 Scanner return trouble
L4 01 main motor lock detection
02 Drum motor lock detection
L6 10 Polygon motor lock detection
L8 01 No full-wave signal
02 Full-wave signal width
abnormality
U6 00 Desk/LCC communication
trouble
01 Desk/LCC1CS lift-up trouble
(Multi-purpose tray)
02 Desk2 CS lift-up trouble/LCC1
lift-up trouble
03 Desk3 CS lift-up trouble/LCC2
lift-up trouble
10 Desk/LCC transport motor
trouble
EE EL Auto developer adjustment
trouble (Over-toner)
EU Auto developer adjustment
trouble (Under-toner)
F9 02 Centro port check error
03 NIC port check error
U1 01 FAX Battery abnormality
02 RTC read abnormality
(common with FAX,
on ICU PWB)
Remark Trouble
detection
When the Fax ICU
board is
installed
When the Fax ICU
board is
installed
When the Fax FAX
board is
installed
When the Fax FAX
board is
installed
PCU
PCU
PCU
PCU
PCU
PCU
PCU
When the SCANNER
scanner is
installed
When the SCANNER
scanner is
installed
PCU
PCU
PCU
PCU
PCU
With Paper feed PCU
desk installed
With Paper feed PCU
desk installed
With Paper feed PCU
desk installed
With Paper feed PCU
desk installed
With Paper feed PCU
desk installed
Only during PCU
DIAG
Only during PCU
DIAG
Controller
Controller
With FAX board Controller
installed
When the Fax ICU
board is
installed
AR-M350 TROUBLE CODES 11-2
Trouble Contents
codes
U2 00 EEPROM read/write error
(Controller)
11 Counter check sum error
(Controller EEPROM)
12 Adjustment value check sum
error (Controller EEPROM)
80 Scanner section EEPROM
read/write error
81 Scanner section memory sum
check error
90 PCU section EEPROM read/
write error
91 PCU section memory sum
check error
U7 00 PC/MODEM communication
error
PF -- RIC copy inhibit command
reception
CH -- Door open (CH ON)
00 No developer cartridge
01 No toner cartridge
-- -- Auditor not ready
PC -- Personal counter not installed

2. Details of trouble codes

MAIN SUB
C1 00 Content MC trouble
Detail Main charger output abnormality
(Output open)
Trouble signal is outputted from the high
voltage transformer.
Cause The main charger is not installed properly.
The main charger is not assembled properly.
Disconnection of connector of high voltage
transformer.
High voltage harness disconnection or
breakage.
Check and Use the diag mode or DIAG to check the
remedy main charger output.
Check for disconnection of the main charger.
Replace the high voltage unit.
E6 10 Content CIS shading trouble (Black correction)
Details The CIS black scan level is abnormal when
the lamp is off.
Cause Abnormal harness installation to CIS unit
CIS unit abnormality
Scanner PWB abnormality
Check & Check CIS unit harness.
Remedy Check CIS unit.
Check scanner PWB.
Remark Trouble
detection
Controller
Controller
Controller
When the SCANNER
scanner is
installed
When the SCANNER
scanner is
installed
PCU
PCU
Controller
Controller
PCU
PCU
PCU
Controller
Controller