DRUM SECTION
C262/C265 3-76 SM
3.8.10 2ND DRUM MASTER SENSOR ADJUSTMENT
Purpose: To ensure that the sensor detects the master properly.
Standard: 1.0 to 1.2 volts
CAUTION:
1) The sensor adjustment is required in the following cases:
-When the sensor is replaced.
-When the I/O board is replaced.
2) While adjusting, make sure to attach all exterior covers to avoid
external light.
3) Do not turn the VRs excessively.
4) If the sensor is dirty, clean or replace it.
5) For how to access SP mode, refer to the Service Program Mode
section. ( 5.3.1)
• Rear Cover ( 3.2.2)
1. Remove the master that is wrapped around the drum, and install the drum in
the main body.
2. Remove the knob cover [A] and turn the knob until the indicator moves to the
point shown [B].
NOTE: This step moves the black patch on the drum screen to the sensor.
3. Turn on the main switch, then access SP6-004-6 (Sensor Voltage and
Threshold Adjustment for 2
nd
drum master sensor).
C262R155.WMF
[A]
[B]
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