C7502 (bizhub 950i/850i)

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Trouble typeC7502: Tray 1 upper limit sensor failure
RankC
Trouble detection conditionThe tray 1 upper limit sensor (PS6) does not change even after the lapse of a predetermined period of time after tray 1 is opened and closed, after C0202 (Tray 1 feeder up/down abnormality) is detected.
Trouble isolationTray 1
Relevant electrical parts– Tray 1 upper limit sensor (PS6)
– Paper feed/transport drive board (PFTDB)

Procedure

  1. Check the connector between PS6-relay CN145B-PFTDB CN14 for proper connection and correct as necessary.
  2. Replace PS6.
  3. Replace PFTDB.

(Link to the Field Service Manual)