Original Size Sensor - Xerox DocuColor 2240 Service Manual

5-274 Original Size Sensor

At power on, the DADF Registration Sensor turns off, and the DADF Size Sensor 1 or the
DADF Size Sensor 2 turns on (Size Sensor detection failure)
Procedure
Enter dC330 [5-150] and select Start. The display indicates High.
Y N
Remove the DADF Entrance Tray
P/J582 (REP 5.12). The display changes
Y N
Disconnect P/J599 on the DADF Control PWB. Measure the resistance between
J599-8 and the frame. The resistance is 3 Ohms or less.
Y N
Replace DADF Control PWB
Go to Flag 1. Check the wire between DADF Size Sensor 1 (Rear) P/J582-2 and
DADF Control PWB P/J599-8 for a short circuit to frame
Replace DADF Size Sensor 1 (PL
Enter dC330 [005-151] and select Start. The display indicates High.
Y N
Remove the DADF Entrance Tray (PL
P/J583 (REP 5.12). The display changes.
Y N
Disconnect P/J599 on the DADF Control PWB. Measure the resistance between
J599-11 and the frame. The resistance is 3 Ohms or less.
Y N
Replace DADF Control PWB
Go to Flag 3. Check the wire between the DADF Size Sensor 2 (Front) P/J583-2
and the DADF Control PWB P/J599-11 for a short circuit to the frame
Replace DADF Size Sensor 2 (Front)
Replace DADF Control PWB (PL 20.3).
Status Indicator RAPs
5-274
(PL 20.1). Disconnect the DADF Size Sensor 1 (Rear)
(PL 20.3).
(Figure 1).
20.5).
20.1). Disconnect the DADF Size Sensor 2 (Front)
(PL 20.3).
(PL 20.5).
Figure 1 5-274 RAP Circuit Diagram - Size Sensor 1 (Rear)
Figure 2 5-274 RAP Circuit Diagram - Size Sensor 2 (Front)
(Figure 2).
09/03
2-90
Figure 3 DADF Control PWB
DC 3535/2240/1632, WC M24
Initial issue