Xerox Phaser 7760 Service Manual page 355

012-925 Stacker Lower Safety Warning
Stacker Safety Switch On was detected.
Procedure
Check for obstacles in the under the Stacker Tray Bracket. The problem is resolved.
Y N
Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service Tools >
Printer Status Page > hold the Up and Down buttons simultaneously > Run Service
Diagnostics > OK. Move the Stacker Tray manually. The display changes.
Y N
Check conductivity between the Stacker Safety Switch and Finisher PWB. The con-
ducting check is OK.
Y N
Repair the open circuit or short circuit.
Check the operation and conductivity of the Stacker Safety Switch contact points.
The contact points are operating and conducting properly.
Y N
Replace the Stacker Safety Switch.
Replace the Finisher PWB (PL
Replace the Finisher PWB (PL 21.12).
If the problem continues, replace the Finisher PWB
Revised
Phaser 7760 Color Laser Printer
21.12).
(PL 21.12).
January 2010
2-319
Status Indicator RAP's
012-925