Troubleshooting and Diagnostics
6-5
Display That means ... Measure
SERVICE FAN n
Fan trouble
n =
1 Cooling fan of the high
voltage board stopped.
2 Sucking fan of the high
voltage board stopped.
3 The Fuser fan stopped
4 The Suction Unit fan stopped
Power Printer OFF and On
again.
If error still there call Service
to replace the defective fan
SERVICE H. V. High Voltage board defective
Call service to replace the
High Voltage board
SERVICE HSYNC.
Horizontal Synchronization
abnormal
Power Printer OFF and ON.
If error still there calls
Service!
LD STACKER Vx.xx
Message during loading the
stacker firmware
wait
UPD. STACKER FW
Message during updating the
stacker firmware
wait
STACK. PROG. ERR
Program error in the stacker
software
Power the stacker OFF/ON
again.
If error still there calls service
to load new stacker firmware.
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