C392A (bizhub C368/C308/C258)

Posted
ByAdministrator Administrator
You are here:

Contents

Trouble typeC392A: Heating roller temperature sensor contamination (Main of the heating roller)
RankC
Trouble detection conditionWhen the machine is in standby mode after a predetermined period of time after the warm-up stage is started, detected temperature of the heating roller temperature sensor (TEMS) higher than a given temperature for a given period of time consecutively.
Trouble isolation–
Relevant electrical parts• Fusing unit
• Heating roller temperature sensor (TEMS)
• MFP board (MFPB)

 Procedure

  1. Wipe the TEMS clean of dirt if any.<Cleaning procedure>
    • Clear away a dirt or a foreign object on the sensor with a cotton swab.
    • When a dirt is left even if you cleaned the sensor by above procedure, clear away a dirt or a foreign object on the sensor using a cotton swab dampened with the alcohol. And, wipe off the sensor with a dry cotton swab afterwards.
  2. Check the TEMS for installed position and proper connector connection.
  3. Check the connection of the fusing unit.
  4. Check the fusing unit and MFPB for proper connection and correct or change as necessary.
  5. Replace the fusing unit. (Part# A161R71888)
  6. Replace MFPB. (Part# A7PUH02123)

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.

K.3.13.9 (Link to the Field Service Manual)