9-6
Phaser 440 Color Printer
9
Checks and Adjustments
Lower Tray Assembly connection test
1.
Turn off the printer.
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. Remove the paper
tray from the Lower Tray Assembly.
4.
Set all the DIP 1 Switches off.
5.
Set DIP Switch 1-6 on to select the Lower Tray Assembly
connection test.
6.
Set DIP Switch 1-3 on to start the connection test. LED
ERROR
blinks
rapidly to indicate that the test is active.
7.
The LED
JAM
turns on to indicate that the Lower Tray Assembly is
sensed. Press the upper switch in the Lower Tray Assembly; the LED
MEDIA
turns on. Press the middle switch in the Lower Tray
Assembly; the LED
RIBBON
turns on. Press the lower switch in the
Lower Tray Assembly; the LED
COVER
turns on. LED
READY
indicates the condition of the paper empty sensor. Manipulate the
paper empty flag to turn the LED
READY
on and off.
8.
Set DIP Switch 1-3 off to stop the test.