P-33 (bizhub 4750i/4050i)

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Contents

Malfunction type	LD malfunction
Malfunction code	P-33
Malfunction detection timing	The DETOUT signal of the LD drive detected malfunction consecutively for the predetermined frequency.
Relevant parts	-PH unit -Laser diode/K (LD/K) -LD drive board (LASDB) -Base board (BASEB)

Procedure

1. Replace the PH unit. (Part# ACT9R70900)
2. Replace BASEB.
   4750i (Part# ACT9H02013)
   4050i (Part# ACT9H02002)

(Link to the Field Service Manual)