[china-yb]

8-157 H-Transport Path Sensor 8 On Jam RAP
Description
The H-Transport Path Sensor 8 did not detect paper within the specified time.

Initial Action
Refer to BSD 8.11 for the following procedure.

Check for any obstructions in the paper path.

Procedure
Enter DC330 008-219 H-Tra Path Snr 8. Select Start.

The display is H.
Yes No Unanswered

Go to Flag 10 and Flag 13 on BSD 8.11 and check the harness and connectors for a short circuit to ground. If they are good, replace the H-Transport Path Sensor 8 ( PL 11.7).

Block the H-Transport Path Sensor 8 with a sheet of paper.

The display is L.
Yes No Unanswered

+5 VDC is measured between J481-12 on the Hiper Regi PWB and GND.
Yes No Unanswered

+5 VDC is measured between J483-B8 on the Hiper Regi PWB and GND.
Yes No Unanswered

+5 VDC is measured between J437-B9 on the IOT PWB and GND.
Yes No Unanswered

Perform the following:

Go to Flag 10 on BSD 8.11 and check the harness and connectors for an open circuit.

Replace the IOT PWB ( PL 13.3).

Go to Flag 13 on BSD 8.11 and check the harness and connectors for an open circuit between J437-B9 on the IOT PWB and J483-B8 on the Hiper Regi PWB.

Replace the Hiper Regi PWB ( PL 13.3).

Select Start.

Less than +1 VDC is measured between J481-12 on the Hiper Regi PWB and GND.
Yes No Unanswered

Replace the H-Transport Path Sensor 8 ( PL 11.7). If that does not correct the problem, replace the IOT PWB ( PL 13.3).

Select Stop. Go to the LVPS 2 +5 VDC Wirenet Figure 10.

+5 VDC is measured between J488-1 on the Hiper Regi PWB and GND.
Yes No Unanswered

Go to Flag 14 on BSD 8.11 and check the harness and connectors for an open circuit.

Check Fuse (F1) on Distribution 1 PWB ( PL 13.3).

Go to LVPS 2 +5 VDC Wirenet Figure 10 and check the harness and connectors between J227-1 on the H-Transport Path Sensor 8 and J46-B3 on the Distribution 1 PWB for an open circuit.

Go to LVPS 3 +5 RTN Wirenet Figure 20 and check the harness and connectors between J227-3 on the H-Transport Path Sensor 8 and J021B-5 on the LVPS 3 for an open circuit.

Go to the LVPS 2 +5 VDC RAP.

Perform the following:

Clean the H-Transport Path Sensor 8 in accordance with Section 1 of the Service Call Procedures.

Go to Flag 10 and Flag 13 on BSD 8.11 and check the harness and connectors for an open circuit. If they are good, replace the H-Transport Path Sensor 8 ( PL 11.7).

Replace the IOT PWB ( PL 13.3).

Replace the Hiper Regi PWB ( PL 13.3).

Enter DC330 008-060 H-Tra Motor 2. Select Start and Stop several times.

The H-Transport Motor 2 operates.
Yes No Unanswered

Go to the H-Transport Motor 2 Fault RAP.

The H-Transport Path Sensor 8 operates correctly. Check the H-Transport drive mechanism for a mechanical malfunction that would cause a fault.