Master Eject Sensor Adjustment - Ricoh JP5000 Service Manual

MASTER EJECT SECTION

6.6.3 MASTER EJECT SENSOR ADJUSTMENT

PURPOSE: To ensure that the sensor detects the ejected master properly.
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. Turn slowly until the LED turns
off.
4) If the sensor is dirty, clean or replace it.
5) For how to access SP mode, refer to the Service Program Mode
section.
PROCEDURE
1. Turn on the main switch, then access
SP6-20-1 (Sensor Voltage and
Threshold Adjustment for Master Eject
Sensor).
NOTE: Make sure that the master eject
box and drum are installed.
2. Remove the rear cover and access the
I/O board. Turn VR303 [A] clockwise
until LED302 [B] lights.
3. The sensor input voltage is displayed on
the operation panel. Check that it is
between 1.0 and 1.5 volts. If it is not, go
back to step 2.
4. Leave the SP mode.
[B]
6-22
1 July, 1998
[A]
C229R104.WMF