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Service Bulletin
SB Number: SB PF-023 Creation Date: 23/06/2011
Subject: Paper feed failure/Incorrect paper empty detection
Model: PF-100

Phenomena 1. Paper feed failure from the optional paper cassette may occur.
2. Incorrect paper empty indication may occur.
Cause The CPU of the PF main board (Parts PF cont PWB assy SP) may become damaged due to
over-current or over voltage.
Solution The current regenerating route has been changed, by adding a Diode(D13) to the PF main
board. This is to avoid damage due to over-current or over