Xerox 4400DT - Phaser B/W Laser Printer Service Manual page 91

Tray 2 or 3 Failure Troubleshooting Procedure (cont'd.)
Step Actions and Questions
12 1. Remove Paper Tray 3.
2. Check the voltage between the bottom terminal on
the mating connector on the Tray 3 feeder and frame
ground.
Is the voltage +24 VDC?
13 Check the resistance between the bottom and top
terminals of the mating connector on paper tray 3.
Is there continuity between the two pins?
14 Check that the paper tray mating connector and the
feeder mating connector are properly aligned when the
tray is inserted into the feeder.
Are the mating connectors properly connected
when the paper tray is inserted?
Stacker is Full, Unload Paper.
(Stacker output tray full.)
Error message indicates the Stacker output tray is full.
Stacker Full Troubleshooting Procedure
Step Actions and Questions
1 Is there a paper stack in the offset bin actuating
the Stack Full Sensor?
2 Is the paper curled?
2-54
Yes
Go to step
13.
Go to step
14.
Replace the
Tray 3 Size
PWB (RRP
11.19 on
page
If the
problem
persists,
replace the
Tray 3
Feeder PWB
(RRP 11.9 on
page
Yes
Remove the
paper stack.
Go to step 4.
Phaser 4400 Laser Printer Service Manual
No
Replace the
Tray 3 Size
PWB (RRP
11.19 on
page 6-139).
If the
problem
persists,
replace the
Tray 3
Feeder PWB
(RRP 11.9 on
page 6-128).
Replace the
paper tray
mating
connector
(PL 2.2 on
page 7-8).
Repair or
replace
components
as
6-139). necessary.
6-128).
No
Go to step 2.
Go to step 3.