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MX-4101N SELF DIAG AND TROUBLE CODE 7 – 23
L8-20
Communication error of MFP/
Mother board
Mother board
PC--
Personal counter not detected
U1-01
Battery trouble
U2-00
MFP EEPROM read/write error
U2-05
HDD/MFP PWB SRAM contents
inconsistency
inconsistency
U2-10
SRAM user authentication index
checksum error
checksum error
U2-11
MFP PWB EEPROM counter check
sum error
sum error
U2-22
MFP PWB SRAM memory check sum
error
error
U2-23
MFP PWB SRAM memory individual
data check sum error
data check sum error
Trouble content
Detail
MFP
Cause
Mother board PWB - MFPC PWB connection trouble.
MFP PWB trouble.
Replace the mother board.
MFP PWB trouble.
Replace the mother board.
Check & Remedy
Check connection between the mother board and the
MFPC PWB.
Check the earth line of the main unit.
Replace the MFPC PWB.
Replace the mother board.
MFPC PWB.
Check the earth line of the main unit.
Replace the MFPC PWB.
Replace the mother board.
Trouble content
Detail
MFP
Cause
The personal counter is not installed.
The personal counter is not detected.
The personal counter is not detected.
Check & Remedy
Check connection of the connectors and the
harness.
Replace the SCU PWB.
harness.
Replace the SCU PWB.
Trouble content
Backup SRAM battery voltage fall.
Detail
MFP
Case 1
Cause
1)
Battery life
2)
Battery circuit abnormality
Check &
Remedy
Remedy
Check to confirm that the battery voltage is
about 2.0V or above.
about 2.0V or above.
Trouble content
Detail
MFP
Cause
MFP PWB EEPROM trouble.
EEPROM socket contact trouble.
MFP PWB trouble.
Strong external noises.
EEPROM socket contact trouble.
MFP PWB trouble.
Strong external noises.
Check & Remedy
Replace the MFP PWB EEPROM.
Replace the MFP PWB.
Check the power environment.
Replace the MFP PWB.
Check the power environment.
Trouble content
Detail
MFP
Cause
The HDD or the MFP PWB which differs from that
before turning OFF the power is installed.
HDD trouble.
MFP PWB trouble.
before turning OFF the power is installed.
HDD trouble.
MFP PWB trouble.
Check & Remedy
Use SIM16 to cancel the error.
If there is backup data (export data by device
cloning), import it.
If there is backup data (export data by device
cloning), import it.
Trouble content
Detail
MFP
Cause
SRAM user index information (user authentication
basic data) check sum error.
MFP PWB SRAM trouble.
Strong external noises.
basic data) check sum error.
MFP PWB SRAM trouble.
Strong external noises.
Check & Remedy
Use SIM16 to cancel the error.
Transfer the user index information data in the HDD
to the SRAM.
Replace the MFP PWB.
Transfer the user index information data in the HDD
to the SRAM.
Replace the MFP PWB.
Trouble content
Detail
MFP
Cause
MFP PWB EEPROM trouble.
EEPROM socket contact trouble.
MFP PWB trouble.
Strong external noises.
EEPROM socket contact trouble.
MFP PWB trouble.
Strong external noises.
Check & Remedy
Use SIM16 to cancel the error.
Replace the MFP PWB.
Replace the MFP PWB.
Trouble content
Detail
MFP
Cause
The identifier which controls the communication
management table stored in the SRAM and the
FAX soft switch is not detected correctly.
MFP PWB SRAM trouble.
MFP PWB trouble.
Strong external noises.
management table stored in the SRAM and the
FAX soft switch is not detected correctly.
MFP PWB SRAM trouble.
MFP PWB trouble.
Strong external noises.
Check & Remedy
Since the data of the communication management
table and the FAX soft switch stored in the SRAM
are initialized when an error occurs, register the
deleted data again individually.
Use SIM16 to cancel the error.
Replace the MFP PWB.
table and the FAX soft switch stored in the SRAM
are initialized when an error occurs, register the
deleted data again individually.
Use SIM16 to cancel the error.
Replace the MFP PWB.
Trouble content
MFP PWB SRAM memory individual data check sum
error.
error.
Detail
MFP
Cause
The check sum value for individual data of the
communication table and the sender registration
does not match.
MFP PWB SRAM trouble.
MFP PWB trouble.
Strong external noises.
communication table and the sender registration
does not match.
MFP PWB SRAM trouble.
MFP PWB trouble.
Strong external noises.
Check & Remedy
Turn OFF/ON the power to initialize the data related
to the content of check sum error.
Since the registered contents are deleted, register
the deleted contents again.
Use SIM16 to cancel the error.
Replace the MFP PWB.
to the content of check sum error.
Since the registered contents are deleted, register
the deleted contents again.
Use SIM16 to cancel the error.
Replace the MFP PWB.
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