72-81 (bizhub 750i)

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When FS-539 or FS-539SD is installed

Contents

JAM type	Misfeed at FS staple section (When FS-539 or FS-539SD is installed)
JAM code	72-81
JAM detection timing	72-81: The stapler home sensor does not turn ON even after the lapse of a given period of time after the stapler motor is energized.
Misfeed processing location	Front door
Relevant parts	-Stapler unit -FS control board (FSCB)

Procedure

Step	Action	Control signal	Location of electrical component
1	Initial check items	–	–
2	Replace the stapler unit. (Part# A3EP560100)	–	–
3	Replace FSCB. (Part# AAR4PP8201)	–	–

 When FS-540 or FS-540SD is installed

Contents

JAM type	Misfeed at FS staple section (When FS-540 or FS-540SD is installed)
JAM code	72-81
JAM detection timing	72-81: The stapler home sensor does not turn ON even after the lapse of a given period of time after the stapler motor is energized.
Misfeed processing location	Front door
Relevant parts	-Stapler unit -FS control board (FSCB)

Procedure

Step	Action	Control signal	Location of electrical component
1	Initial check items	–	–
2	Replace the stapler unit. (Part# AAR5PPE200)	–	–
3	Replace FSCB. (Part# AAR5PPD401)	–	–

(Link to the Field Service Manual)