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C3722 (bizhub 554e/454e)
Contents
| Trouble type | Fusing abnormally high temperature detection (Edge of the heating side) |
| Trouble code | C3722 |
| Rank | A |
| Detection timing | Detected temperature of the heating roller thermistor/1 (TH1) goes beyond a given temperature for a given period of time consecutively. |
| Trouble isolation | – |
| Relevant electrical parts | • Fusing unit • Heating roller thermistor/1 (TH1) • IH power supply (IHPU) (bizhub 554e only) • Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the fusing unit for correct installation (whether it is secured in position). | – | – |
| 2 | Check the open/close operation of the right door. | – | – |
| 3 | Check the fusing unit, IHPU (bizhub 554e only) and PRCB for proper connection and correct or change as necessary. | – | – |
| 4 | Replace the fusing unit (bizhub 554e/bizhub 454e) Fusing Unit (Part# 554e A2XKR71022 454e A4FJR70322) | – | – |
| 5 | Replace IHPU (bizhub 554e only)IHPU (Part# 554e 100v A61DM40A00 230v A61DM40B00) | – | – |
| 6 | Replace PRCBPRCB (Part# 554e A61DH00101 454e A61EH00101) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.70. C3722)
- Link to the layout drawings for related parts by each trouble code (S.71. C3725, C3825)
- Link to the layout drawings for related parts by each trouble code (S.72. C3726)
Document Information ID D0001134373 Revise ID R000003
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.8.6 (Link to the Field Service Manual)