10.12 State Confirmation; Sensor Check - Konica Minolta bizhub C650 Service Manual

Field Service Ver. 8.0 Jun. 2008

10.12 State Confirmation

10.12.1

Sensor Check

Functions • To display the states of the input ports of sensors and switches when the machine
remains stationary.
Use • Used for troubleshooting when a malfunction or a misfeed occurs.
Setting/ • The operation of each of the switches and sensors can be checked on a real-time
Procedure basis.
• It can be checked as long as the 5-V power line remains intact even when a door is
open.
A. Electrical components check procedure through input data check
• When a paper misfeed occurs in the paper feed section of the machine, the tray 2 paper
feed sensor is considered to be responsible for it.
1. Remove the sheet of paper misfed.
2. From the sensor check list that follows, check the panel display of the tray 2 paper feed
sensor. For the tray 2 paper feed sensor, you check the data of "Paper feed" of "Tray 2."
3. Call the Service Mode to the screen.
4. Select [State Confirmation]
"Paper feed" under "Tray 2." For "Paper feed" under "Tray 2," select "1" on the left-hand
side of the screen.
5. Check that the data for "Paper feed" under "Tray 2" is "0" (sensor blocked).
6. Move the actuator to unblock the tray 2 paper feed sensor.
7. Check that the data for "Paper feed" under "Tray 2" changes from "0" to "1" on the
screen.
8. If the input data is "0," change the sensor.
→
[Sensor Check] and then select the screen that contains
10. Service Mode
511