Konica Minolta bizhub C200 Service Manual page 326

Field Service Ver. 1.0 Jun. 2008
17.2.3 P-6: Cyan imaging unit failure
17.2.4 P-7: Magenta imaging unit failure
17.2.5 P-8: Yellow imaging unit failure
17.2.6 P-9: Black imaging unit failure
Imaging unit /C
Imaging unit /M
Imaging unit /Y
Imaging unit /K
Step
Select [Imaging Process Adjustment] → [D Max Density] and, if the setting value is negative,
1
readjust.
2 Check the drive transmission portion of the Imaging Unit and correct as necessary.
Clean the IDC registration sensor/MK (IDCS/MK) or IDC registration sensor/CY (IDCS/CY) win-
3
dow if dirty.
4 Clean the contact of the imaging unit connector if dirty.
5 Check the HV connector for proper connection and correct as necessary.
6 Check the flat cable for proper connection and correct as necessary.
7 Change imaging unit.
8 Change the transfer belt unit.
9 Change PRCB.
17.2.7 P-11: Color PC drive sensor malfunction
Color PC drive main sensor (PS15)
Color PC drive sub sensor (PS17)
Step
1 Perform the faulty sensor check procedure. *1
Check the sensor, for which a faulty condition has been checked, for installed position and
2
proper connector connection.
3 Wipe the sensor, for which a faulty condition has been checked, clean of dirt if any.
4 If P-11 occurs again, change the main drive unit.
5 Change PRCB.
*1: Faulty sensor check procedure
1. Open the front door and turn ON the main power switch of the machine.
2. Call the [Sensor Check] screen to the screen by way of Service Mode.
For details how to display, see "Adjustment /Setting."
See P.256
3. Close the front door and start [Stabilization].
4. During the stabilization sequence, check to see if the values of the phase detection
sensors (color PC drive main/sub sensors) change.
5. A sensor is faulty if its value does not change.
Relevant parts
Transfer belt unit
High voltage unit (HV)
Printer control board (PRCB)
Action
Relevant electrical parts
Main drive unit
Printer control board (PRCB)
Action
17. Malfunction code
287