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
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