Sensor Check; Check Procedure; Sensor Check List; Sensor Check Screen - Konica Minolta bizhub C250 Service Manual

7. Sensor Check

7. Sensor Check
7.1

Check procedure

• To allow sensors to be checked for operation easily and safely, data applied to the IC on
the board can be checked on the panel with the main unit in the standby state (including
a misfeed, malfunction, and closure failure condition).
<Procedure>
1. Set the mode to the Service Mode.
2. Touch the [ADF] key.
3. Touch the [Sensor Check] key.
4. Operate the sensor to check by using paper or the like, and check the screen display.
(Paper detected: 1, No paper detected: 0)
7.2

Sensor check list

7.2.1

Sensor check screen

• This is only typical screen which may be different from what are shown on each individ-
ual main unit.
• Note that each of the following sensors changes from 0 to 1 when the corresponding part
is opened, which is regarded as a closure failure: Original Take-Up Unit Interlock, Trans-
port Convey, Exit Cover, and Middle Tray. Of these sensors, Transport Convey changes
from 0 to 1 when PC202 mounted on the IR of the main unit detects a predetermined
condition (ADF is raised to an angle of 20° or more).
<Output display of Width>
• The operation of the sensor can be checked whether it is normal or faulty by changing
the guide width of the Document Take-up Tray to change the output value.
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Field Service Ver. 1.0 Jul. 2005
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