Xerox WorkCentre Pro 423 Service Manual

03/02 2.3 Level 2 Troubleshooting
WorkCentre Pro 423/428 2-5 CHAPTER 2 TROUBLESHOOTING
Status
Code
Status Description
Corrective
Action
Ref.
BSD
U3-1
(4131)
ROS failure
ROS CONTROL ASIC
failure
POWER
OFF/ON
6.3
U3-2
(4132)
ROS failure
Abnormal power adjustment
value to laser diode when
Laser Diode Power
adjustment is permitted
POWER
OFF/ON
6.3
U3-3
(4133)
ROS failure
Abnormal power adjustment
value to the laser diode
when the diode is forced to
go on
POWER
OFF/ON
6.3
U3-4
(4134)
ROS failure Abnormal power adjustment
value to the laser diode at
SOS sample hold
POWER
OFF/ON
6.3
U3-5
(4135)
ROS failure ROS not ready within 20
seconds of warm-up
POWER
OFF/ON
6.3
U3-6
(4136)
ROS failure
Abnormal SOS interval after
ROS gets ready
POWER
OFF/ON
6.3
U4-1
(4141)
FUSER failure FUSER ON TIME Fail
Warm-up has not completed
in 60 sec.
POWER
OFF/ON
10.2
U4-2
(4142)
FUSER failure OVER HEAT Fail
230 deg C or more detected
continuously in more than
500 msec.
POWER
OFF/ON
Clear NVM
10.2
U4-3
(4143)
FUSER failure An open circuit of Fuser
Thermistor has been
detected.
POWER
OFF/ON
10.2
U4-4
(4144)
FUSER failure LOW TEMPERATURE Fail
122 deg C or less detected
continuously in more than
500 msec.
POWER
OFF/ON
10.2
U4-5
(4145)
FUSER failure Fuser lamp lit for 10 or more
continuous seconds in
standby state
POWER
OFF/ON
10.2
U4-6
(4146)
FUSER failure Temperature rise not over 5
degrees continuous three
times in 5 seconds during
warm-up
POWER
OFF/ON
10.2
Status
Code
Status Description
Corrective
Action
Ref.
BSD
U6-01
(4061)
Memory error at
Power ON
MCU/SW PWB Memory
Error
POWER
OFF/ON
3.1C
U6-02
(4062)
Memory error at
Power ON
MCU/SW PWB Memory
Error
POWER
OFF/ON
3.1C
U6-03
(4063)
Memory error at
Power ON
MCU/SW PWB Memory
Error
POWER
OFF/ON
3.1C
U6-04
(4064)
Memory error at
Power ON
MCU/SW PWB Memory
Error
POWER
OFF/ON
3.1C
U6-41
(4461)
Memory error at
Power ON
IIT/IPS PWB ROM CHECK
SUM Error
POWER
OFF/ON
3.1A
U6-42
(4462)
Memory error at
Power ON
IIT/IPS PWB RAM R/W
Error
POWER
OFF/ON
3.1A
U6-43
(4463)
Memory error at
Power ON
EEPROM data damaged
POWER
OFF/ON
Initialize NVM
3.1A,
3.1C
U6-44
(4464)
Memory error at
Power ON
EEPROM R/W Error
POWER
OFF/ON
Initialize NVM
3.1A,
3.3
U6-05
(4065)
Memory error at
Power ON
Illegal CPM data Replace
MCU/SW PWB
3.1C
U6-82
(4862)
Memory error at
Power ON
Switcher D-PORT RAM
R/W Error
Replace
MCU/SW PWB
3.1A
U6-95
(4965)
Memory error at
Power ON
Wrong electronic billing
counter value
Rewrite NVM. 3.1A,3.
1C,3.3
U7-01
(4071)
Inter-system
Communication
Fail
Initial communication check
error between MF system
and MCU/SW
POWER
OFF/ON Check
connectors.
19.2
U7-02
(4072)
Inter-system
Communication
Fail
Framing/Overrun/Parity
error between MF SYS and
MCU/SW.
POWER
OFF/ON
19.2
U7-03
(4073)
Inter-system
Communication
Fail
BCC error between MF SYS
and MCU/SW.
POWER
OFF/ON
19.2
U7-04
(4074 )
Inter-system
Communication
Fail
No Communication between
MF SYS and MCU/SW.
POWER
OFF/ON
19.2

Xerox WorkCentre Pro 423 Specifications

General

Brand	Xerox
Model	WorkCentre Pro 423
Category	All in One Printer
Language	English