Finisher Stacker Height Sensor Off Failure, Code 116 - Xerox 7750DXF - Phaser Color Laser Printer Service Manual

Finisher Stacker Height Sensor Off Failure, Code 116

The Stack Height Sensor did not detect that the tray went down within 5 seconds after
the Stacker Tray had been signaled to lower down at initialization. Or, the Stack
Height Sensor did not detect the tray moving up within 5 seconds after the Stacker
Tray had been signaled to lift.
Troubleshooting References
Applicable Parts
Stacker Height Sensor/Actuator
Finisher Control Board
Troubleshooting Procedure
Step Actions and Questions
1 1. Actuate the stacker height sensor in
diagnostics.
2. Does the value change between H and L?
2 1. Run the Finisher Stacker Motor Down test in
diagnostics.
2. Does the stacker tray lower?
3 Does the stacker motor turn?
4 Is +24 VDC present at P/J 847-12 with the
Finisher Stacker Motor Down test running in
diagnostics?
5 1. Run the Finisher Stacker Motor Up test in
diagnostics.
2. Does the stacker tray move up?
6 Does the sacker motor turn?
Error Messages and Codes
Wiring and Plug/Jack Map References
Yes No
Go to step 2. Troubleshoot
using the
transmissive
sensor
procedure.
Go to step 5. Go to step 3.
Diagnose and Go to step 4.
repair the
mechanical
problem. Check
the stacker
motor gear,
stacker tray, and
belt track gear.
Replace the Replace the
stacker motor. finisher control
board.
Replace the Go to step 6.
finisher control
board.
Diagnose and Go to step 7.
repair the
mechanical
problem. Check
the stacker
motor gear,
stacker tray, and
belt track gear.
3-53