Process Caution Infromation; Display Procedure; List; Solution - Konica Minolta bizhub C25 Service Manual

Field Service Ver. 1.1 May 2011

17. PROCESS CAUTION INFROMATION

17.1 Display procedure

• The machine's CPU performs a self-diagnostics function that, on detecting a malfunction,
gives the process caution information in the report that is output by [Service Mode][PS/
PCL][PRINT MENU][MAINTENANCE INFO].
See P.170
• When receiving the process caution information, user can continue printing. However, as
the information indicates that some error has occurred in the image stabilization process,
the error must be addressed rapidly.

17.2 List

• If an image stabilization fault occurs, the process caution information is provided.
Temperature/ humidity sensor
failure
IDC sensor failure
Color shift test pattern failure
Color shift adjust failure

17.3 Solution

17.3.1

Temperature/ humidity sensor failure

Temperature/ humidity sensor (TEM/HUMS)
Step
1 Check the connector between TEM/HUMS-PRCB PJ20 for proper connection and correct as
necessary.
2 Change TEM/HUMS.
3 Change PRCB.
17. PROCESS CAUTION INFROMATION
Item
• No response is provided from the temperature/ humidity sensor.
• IDC sensor output values are out of the specified range.
• The number of points detected in the main scan direction is more or
less than the specified value during main scan direction registration
correction.
• The number of points detected in the sub scan direction is more or
less than the specified value during sub scan direction registration
correction.
• The color shift amount is greater than the specified range during
main scan direction registration correction.
• The color shift amount is greater than the specified range during sub
scan direction registration correction.
Relevant parts
Printer control board (PRCB)
Action
281