EXP Computer C4077-90960 - Manual (Page 317)

General Troubleshooting Information
Miscellaneous Problems and Solutions
The following lists symtoms and typical solutions to those problems.
Abnormal noises are evident; grinding or chattering when main
motor energized.
From EP Area:
1 Replace Toner Cartridge.
2 Replace Main Gear Assembly.
From Tray 2 or 3:
1 Verify proper paper loading, acceptable media.
2 Inspect "fingers" on paper trays to assure proper paper size detection.
3 Replace Paper Input Unit.
4 Replace Main Gear Assembly.
From 2000 Sheet Feeder:
1 Check white plastic bushing on Tray 4. The bushing is located on the
Tray 4 main drive assembly (Figure 6-56). The bushing accepts the
Tray 4 pilot pin when Tray 4 is closed. Replace if broken.
2 Replace 2000 Sheet Feeder Vertical Transfer Assembly.
3 Replace 2000 Sheet Feeder Main Drive Assembly.
From MultiBin Mailbox:
1 Verify pawls are riding above the output rollers (Figure 7-20).
Won’t feed from Tray x when printing from application; PAPER
PATH TEST works fine.
Verify correct paper size:
1 Tray 1: From Control Panel TRAY MENU.
2 Tray 2, 3 or 4: Remove and reseat paper fences in correct position in
failing tray.
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