C7701 (bizhub 950i/850i)

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Trouble typeC7701: Supply power line 2 error
RankC
Trouble detection conditionAll of the fuse detection units of the same supply power line (24V31) detected an error for a predetermined time.
Trouble isolation–
Relevant electrical parts– DC power supply unit/2 (DCPU/2)
– Base board (BASEB)

Procedure

  1. PFTDB F42 conduction check.
  2. Check the connector between DCPU/2 CN12-BASEB CN69E for proper connection and correct as necessary.
  3. Replace BASEB.
  4. Replace DCPU/2.

(Link to the Field Service Manual)