Lexmark X500N, Service Manual

Page: 43 / 244

Diagnostic information
2-5
7100-XXX
H4 Service Call
Fuser Unit
Fusing temperature rises above limit during printing process and does not return
within the alloted time period.
See “Fuser assembly service check” on page 2-24 .
HA Service Call
Fuser Unit
AC relay turned off due to an abnormal temperature.
See “Fuser assembly service check” on page 2-24 .
L1 Service Call
Laser Unit Assembly
Laser scanning beam is not detected by beam sensor.
See “Laser unit assembly service check” on page 2-25 .
L2 Service Call
Laser Unit Assembly
Scanner motor (SM) is rotating abnormally.
See “Laser unit assembly service check” on page 2-25 .
LL Service Call
Laser Unit Assembly
Laser power is lower than the output limit.
See “Laser unit assembly service check” on page 2-25 .
N3 Service Call
HVPS Connection
Improper connection between engine controller board and HVPS.
See “HVPS connection service check” on page 2-25 .
N4 Service Call
Toner Empty Sensor
Improper connection between engine controller board and toner sensor sender
board.
See “Toner empty sensor (sender-TPD) service check” on page 2-26 .
N5 Service Call
Toner Empty Rcv
Improper connection between engine controller board and toner sensor receiver
board.
See “Toner empty sensor (receiver-TTR) service check” on page 2-27 .
N6 Service Call
LFU Connection
Improper connection between engine controller board and lower paper feed unit.
See “Lower feed unit (secondary paper assembly) service check” on
page 2-28 .
P6 Service Call
Pfeed Clutch Tray 2
Data communication error between engine controller board and LFU paper-feed
clutch.
See “Lower feed unit (secondary paper assembly) service check” on
page 2-28 .
Error code Action