Sharp Digital Laser Copier/Printer AR-5127 - Manual (Page 75)

AR-5127 TROUBLE CODE LIST 9 - 8
U2 20 Content Machine speed code data error
Details The machine information is not identical to
the model code speed information.
Cause EEPROM defective
SIM operation error
Check
and
remedy Check that the machine set with SIM 26-
57 is identical to the model information.
Remarks When the boot program speed code does
not match with the body model
information.
40 Content CRUM chip communication error
Details Error in MCU-CRUM chip communication
Cause CRUM chip failure
Developing unit contact trouble
MCU PWB failure
Check
and
remedy Replace the CRUM chip.
Check installation of the developing unit.
Clear the trouble with SIM 16.
Replace the MCU PWB.
Remarks CRUM communication error
U7 00 Content RIC communication trouble
Details Error in communication with RIC
Error in communication test after turning
on the power or canceling SIM.
Cause Connector harness contact trouble or
disconnection
RIC control PWB trouble
MCU PWB failure
Malfunction by noises
Check
and
remedy check the communication cable
connectors from the RIC box to the main
body.
U9 00 Content U9-**: MCU-OPE communication trouble
Details Communication establishment error/
framing/parity/protocol error
Cause Operation control PWB connector
disconnection
Operation control PWB MCU PWB
harness failure
Check
and
remedy Check the connectors and harness of the
operation control PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on the operation control
PWB.
80 Content Operation control PWB communication
trouble (Protocol)
Details Communication trouble between MCU and
the operation control PWB (Protocol error)
Cause Operation control PWB connector
disconnection
Operation control PWB MCU PWB
harness failure
Check
and
remedy Check the connectors and harness of the
operation control PWB and MCU PWB.
Check the grounding of the copier.
Trouble
code
Details of trouble
Main
code Sub
code
U9 81 Content Operation control PWB communication
trouble (Parity)
Details Communication trouble between MCU and
the operation control PWB (Parity error)
Cause Operation control PWB connector
disconnection
Operation control PWB MCU PWB
harness failure
Check
and
remedy Check the connectors and harness of the
operation control PWB and MCU PWB.
Check the grounding of the copier.
82 Content Operation control PWB communication
trouble (Overrun)
Details Communication trouble between MCU and
the operation control PWB (Overrun error)
Cause Operation control PWB connector
disconnection
Operation control PWB MCU PWB
harness failure
Check
and
remedy Check the connectors and harness of the
operation control PWB and MCU PWB.
Check the grounding of the copier.
84 Content Operation control PWB communication
trouble (Framing)
Details Communication trouble between MCU and
the operation control PWB (Framing error)
Cause Operation control PWB connector
disconnection
Operation control PWB MCU PWB
harness failure
Check
and
remedy Check the connectors and harness of the
operation control PWB and MCU PWB.
Check the grounding of the copier.
88 Content Operation control PWB communication
trouble (Time-out)
Details Communication trouble between MCU and
the operation PWB (Time-out error)
Cause Operation control PWB connector
disconnection
Operation control PWB MCU PWB
harness failure
Check
and
remedy Check the connectors and harness of the
operation control PWB and MCU PWB.
Check the grounding of the copier.
99 Content Operation panel destination error
Details An error occurred in checking the
operation panel and the destination of the
body.
Cause Erroneous connection the operation panel
unit
SIM setup error
Check
and
remedy Check the destination information of the
operation panel unit and the MCU. (Use
SIM 26-22 for the destination of the body.)
CE 00 Content The other communication error has
occurred.
Detail Communication error
Cause Network Cable connection failure
Check
and
remedy 1) Check that the Network Cable is
properly inserted.
Trouble
code
Details of trouble
Main
code Sub
code