Fuji Xerox Phaser 5500 Service Manual page 236

Paper Size Failure (Tray 4-5 Paper Size Switch) Troubleshooting Procedure
Step Actions and Questions
6 Check continuity between the affected
Paper Size Switch and the Engine Logic
Board.
For Tray 4:
1. Disconnect P/J820 and P/J548.
2. Check for continuity at the following:
P/J820-1 <=> P/J548-14
P/J820-2 <=> P/J548-13
P/J820-3 <=> P/J548-12
P/J820-4 <=> P/J548-11
For Tray 5:
1. Disconnect P/J824 and P/J548.
2. Check for continuity at the following:
P/J824-1 <=> P/J548-7
P/J824-2 <=> P/J548-6
P/J824-3 <=> P/J548-5
P/J824-4 <=> P/J548-4
Are these conductive?
7 Check for +3.3 V to the Paper Size Switch.
For Tray 4:
Is there +3.3 V across P/J820-1 (+) <=>
ground?
For Tray 5:
Is there +3.3 V across P/J824-1 (+) <=>
ground?
8 Check the Tray 4-5 PWB connection.
Are P/J413 and P/J541 connected?
9 Check continuity between the Tray 4-5
PWB and the Engine Logic Board.
1. Disconnect P/J541 and P/J413.
2. Check for continuity at the following:
P/J541-1 <=> P/J413-A1
P/J541-2 <=> P/J413-A2
P/J541-3 <=> P/J413-A3
P/J541-4 <=> P/J413-A4
P/J541-5 <=> P/J413-A5
P/J541-6 <=> P/J413-A6
P/J541-7 <=> P/J413-B1
P/J541-8 <=> P/J413-B2
P/J541-9 <=> P/J413-B3
P/J541-10 <=> P/J413-B4
P/J541-11 <=> P/J413-B5
P/J541-12 <=> P/J413-B6
Are these conductive?
3-158
Yes
Go to Step 7.
Replace the Paper
Size Switch for the
affected tray.
Go to Step 9.
Go to Step 10.
Phaser 5500 Printer Service Manual
No
Repair the wiring.
Replace the
Engine Logic
Board
(page 8-89).
Connect P/J413
and P/541.
Repair the wiring.