Sharp MX-M264N Service Manual

MX-M264U TROUBLESHOOTING 7 – 19
U2-91 PCU PWB EEPROM check sum error
U7-50 MFPC PWB - Vendor machine
communication error
U7-51 Vendor machine error
UC-02 CPT - ASIC error
UC-20 DOCC ASIC error
Trouble content
Detail PCU
Cause PCU PWB EEPROM trouble
PCU PWB trouble
EEPROM socket contact trouble
Check & Remedy Replace the PCU PWB EEPROM.
Replace the PCU PWB.
Check contact of the EEPROM socket.
Use SIM16 to cancel the trouble. (The check sum
error detection data are calculated again to reset the
proper check sum data.)
To avoid missing of the counter data and the
adjustment values, use this simulation to save the
counter data and the adjustment values. (If there is a
printer option, use SIM22-01 to save the counter data
and the adjustment values.)
Trouble content Communication error between the MFP and the serial
vendor.
Detail MFP
Cause Improper setting of the vendor machine specifications
(SIM26-3).
Vendor machine trouble.
MFPC PWB trouble.
Connector, harness connection trouble.
Strong external noises.
Check & Remedy Cancel the error by turning OFF/ON the power.
Check the connector and the harness in the
communication line.
Change the specifications of the vendor machine
(SIM26-3).
Replace the MFPC PWB.
Trouble content
Detail MFP (Notification of a trouble from the serial vendor)
Cause Serial vendor machine trouble.
Connector, harness connection trouble.
Check & Remedy Err.XX is displayed on the operation panel of the
vendor. (XX is the detail code.)
Repair the vendor machine referring to the detail code.
Check the connector and the harness in the
communication line.
Trouble content Access error to the CPT-ASIC (The ASIC does not
operate normally.)
Detail SCU
Cause BtoB connector connection trouble.
SCU PWB trouble.
CPT-ASIC trouble.
Check & Remedy Check the BtoB connector.
Replace the SCU PWB or Option PWB.
Trouble content Access error to the DOCC-ASIC (The ASIC does not
operate normally.)
Detail SCU
Cause BtoB connector connection trouble.
SCU PWB trouble.
DOCC-ASIC trouble.
Check & Remedy Check the BtoB connector.
Replace the SCU PWB or Option PWB.

Sharp MX-M264N Specifications

General

Print Technology	Laser
Functions	Print, Copy, Scan, Fax
Print Speed	26 ppm
Max Print Resolution	600 x 600 dpi
Standard Paper Capacity	1100 sheets
Max Paper Capacity	2100 sheets
Automatic Duplexing	Yes
ADF Capacity	100 sheets
Scan Resolution	600 x 600 dpi
Copy Speed	26 cpm
Copy Resolution	600 x 600 dpi
Connectivity	Ethernet, USB