HP Color LaserJet 9500 Service Manual page 239

Service-mode tests
Face-down delivery
To perform face-down delivery (flipping paper), turn on the power supply while pressing SW1 for
about three seconds.
Face-up delivery
1
2
3
4
Note Sending a job from the printer or MFP, rather than feeding paper manually, makes the task easier.
Note The multifunction finisher must be attached to the printer or MFP while it is in service mode.
ENWW
To perform face-up delivery (using the straight paper path), turn on the power supply while
pressing SW1 and SW3 simultaneously for about three seconds.
Press SW1 again to start the multifunction finisher initialization sequence.
Feed paper manually or send a job from the printer or MFP to perform the selected option.
Set all of the DIP switches to OFF when the job is finished.
Chapter 7 Troubleshooting 237