C7633 (bizhub 650i/550i/450i)

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Contents

Trouble type	C7633: Supply power line 3 error
Rank	C
Trouble detection condition	All of the fuse detection units of the same supply power line (24V21) detected an error for a predetermined time.
Trouble isolation	–
Relevant electrical parts	-DC power supply (DCPU) -Base board (BASEB)

Procedure

1. Check the connector between DCPU CN6-BASEB CN20E for proper connection and correct as necessary.
2. Replace BASEB. (Part# AC74H02101)
3. Replace DCPU. (bizhub 650i/550i / bizhub 450i)
   bizhub 650i/550i (Part# AA7NR71600)
   bizhub 450i (Part# AA7RR70200)

(Link to the Field Service Manual)