Xerox DocuColor 2240 Service Manual page 168

7-271 Tray 2 Paper Size Sensor
An abnormal AD value was detected by the Tray 2 Paper Size Sensor.
Initial Actions
• Check that the paper size setting is correct.
• Check the Tray 2 Paper Size Sensor for damage or incorrect mounting. Repair or replace
as required.
• Check the switch actuators on Tray 2 for wear or damage. Repair or replace as required
Procedure
The machine is equipped with a 3TM.
Y N
Ensure that Tray 2 is closed. The voltage measured a P/J546-8 on the Tray Module
PWB (PL 16.15) corresponds to the paper size in
Y N
There is +5 VDC from P/J816-1 to P/J816-3 on the Tray 2 Paper Size Sensor
(PL 16.1).
Y N
There is +5VDC from P/J546-9 to P/J546-7 on the Tray Module PWB.
Y N
Go to the +5VDC Wirenets
Go to Figure 1. Check the wires from P/J546 to P/J816.
Go to Figure 1. Check the wire from P/J546-8 to P/J816-2. If the wire is OK, replace
the Tray 2 Paper Size Sensor
• Replace the Tray 2 Paper Size Sensor
• If the problem continues, replace the Tray Module PWB
Ensure that Tray 2 is closed. The voltage measured at P/J546-8 on the Tray Module PWB
(PL 15.9) corresponds to the paper size in
Y N
There is +5VDC from P/J816-1 to P/J816-3 on the Tray 2 Paper Size Sensor
15.1).
Y N
There is +5VDC from P/J546-9 to P/J546-7 on the Tray Module PWB.
Y N
Go to the +5VDC Wirenets
Go to Figure 2. Check the wires from
Go to Figure 2. Check the wire from P/J546-8 to P/J816-2. If the wire is OK, replace the
Tray 2 Paper Size Sensor (PL 15.1).
• Replace the Tray 2 Paper Size Sensor
• If the problem continues, replace the Tray Module PWB
Initial issue
DC 3535/2240/1632, WC M24
Table 1.
(Figure 4) to troubleshoot the power circuit.
(PL 16.1).
(PL 16.1).
(PL 16.15).
Table 1.
(Figure 4) to troubleshoot the power circuit.
P/J546 to P/J816.
(PL 15.1).
(PL 15.9).
Table 1 Tray 2 Size Sensor Values
S1
Paper Size [007-104]
No Tray OFF
A3 SEF OFF
11x17 SEF OFF
8.5x13 SEF OFF
B5 or 16K LEF OFF
B5 or 8x10 SEF OFF
8.5x11 SEF OFF
B4 or 8K SEF ON
A4 SEF ON
8.5x14 SEF ON
A4 LEF ON
8.5x11 LEF ON
A5 or 5.5x8.5 SEF ON
(PL
Figure 1 7-271 RAP Circuit Diagram - Tray 2 Paper Size Sensing
09/03
2-135
S2 S3 S3 Voltage
[007-105] [007-106] [007-107] (J546-8)
OFF OFF OFF
OFF OFF ON
OFF ON OFF
OFF ON ON
ON OFF ON
ON ON OFF
ON ON ON
OFF OFF ON
OFF ON OFF
OFF ON ON
ON OFF ON
ON ON OFF
ON ON ON
Status Indicator RAPs
4.78
4.45
4.12
3.81
3.18
2.87
2.57
1.98
1.67
1.37
0.77
0.47
0.17
7-271