C392A (bizhub C554e/C454e)
Contents
| Trouble type | Heating roller temperature sensor contamination (Main of the heating side) | |
| Trouble code | C392A | |
| Rank | A | |
| Detection timing | <bizhub C554e> When 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) lower than a given temperature for a given period of time consecutively. | |
| Trouble isolation | – | |
| Relevant electrical parts | • Fusing unit • Heating roller temperature sensor (TEMS) • Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 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 PRCB for proper connection and correct or change as necessary. | – | – |
| 5 | Replace the fusing unit (C554e Part# A2XKR71044 / C454e Part# A4FJR70344) | – | – |
| 6 | Replace PRCB (C554e Part# A5AYH00101 / C454e Part# A5C0H00101) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.90. C392A)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.8.10 (Link to the Field Service Manual)