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When FS-533, FS-539, FS-539SD, FS-540, or FS-540SD is installed
Contents
Trouble type
CD704: Finisher Flash ROM device error (When FS-533, FS-539, FS-539SD, FS-540, or FS-540SD is installed)
Rank
C
Trouble detection condition
An erase error or other device fault occurs during the finisher flash ROM writing.
Trouble isolation
–
Relevant electrical parts
FS control board (FSCB)
Procedure
Turn OFF the main power switch and unplug the power cord. Connect the power cord after 15 sec. or more, and turn ON the main power switch.
Rewrite the firmware.
Replace FSCB. (FS-533 / FS-539/FS-539SD / FS-540/FS-540SD) FS-533 (Part# A2YUPPH901 for Model No. A2YU-WY1 or Part # A2YUPPXN00 for Model No. A2YU-WY2)
FS-539(SD) (Part# AAR4PP8201)
FS-540(SD) (Part# AAR5PPD401)
When JS-508 is installed
Contents
Trouble type
CD704: Finisher Flash ROM device error (When JS-508 is installed)
Rank
C
Trouble detection condition
An erase error or other device fault occurs during the finisher flash ROM writing.
Trouble isolation
–
Relevant electrical parts
JS control board (JSCB)
Procedure
Turn OFF the main power switch and unplug the power cord. Connect the power cord after 15 sec. or more, and turn ON the main power switch.
