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09/03

2-90

DC 3535/2240/1632, WC M24

5-274

Initial issue

Status Indicator RAPs

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.

Remove the DADF Entrance Tray (PL 20.1). Disconnect the DADF Size Sensor 1 (Rear)

P/J582 (REP 5.12). The display changes

Disconnect P/J599 on the DADF Control PWB. Measure the resistance between

J599-8 and the frame. The resistance is 3 Ohms or less.

Replace DADF Control PWB (PL 20.3).

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 (Figure 1).

Replace DADF Size Sensor 1 (PL 20.5).

Enter dC330 [005-151] and select Start. The display indicates High.

Remove the DADF Entrance Tray (PL 20.1). Disconnect the DADF Size Sensor 2 (Front)

P/J583 (REP 5.12). The display changes.

Disconnect P/J599 on the DADF Control PWB. Measure the resistance between

J599-11 and the frame. The resistance is 3 Ohms or less.

Replace DADF Control PWB (PL 20.3).

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 (Figure 2).

Replace DADF Size Sensor 2 (Front) (PL 20.5).

Replace DADF Control PWB (PL 20.3).

Figure 1 5-274 RAP Circuit Diagram - Size Sensor 1 (Rear)

Figure 2 5-274 RAP Circuit Diagram - Size Sensor 2 (Front)

Figure 3 DADF Control PWB

Xerox DocuColor 2240 Service Manual

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