Service Manual
9-7
Checks and Adjustments
9
Paper-path check
1.
Turn off the printer. Ensure that the paper tray is filled.
2.
Remove the rear cabinet panel to access the engine control board.
Refer to the Chapter 8 topic “Printer cabinet panels” on page 8-4.
3.
Press and hold the
TEST
button and turn on the printer. Release the
TEST
button. The printer is now in service mode.
4.
Set all the DIP 1 Switches off.
5.
Set DIP Switches 1-6 and 1-7 on.
6.
Set DIP Switch 1-3 on to start the test. LEDs
ERROR
and
JAM
blink
rapidly to indicate the test is active.
7.
Toggle DIP Switch 1-8 to make the print engine perform each of the
following actions:
■
paper pick
■
paper clamp
■
paper eject
8.
Set DIP Switch 1-3 off to stop the test.