Service Manual
9-15
Checks and Adjustments
9
Calibrating the reflective sensors
1.
Turn off the printer. Ensure that a 3-Color transfer roll is installed.
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 1-4, 1-5 and 1-6 on.
6.
Set DIP Switch 1-3 on to start the test. LEDs
ERROR
and
JAM
blink
rapidly to indicate that the sensor test is active.
7.
Press the
TEST
button to advance the transfer roll and calibrate the
sensors for the amount of reflected light they detect from the white
reflection plate (located beneath the sensors). LED
READY
blinks
rapidly.
8.
Set DIP Switch 1-3 off to exit the mode.
Pick roller cleaning
1.
Turn off the printer. Install the pick roller cleaner in the A-size tray.
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 1-4, 1-5, 1-6 and 1-7 on.
6.
Set DIP Switch 1-3 on to start the sensor test. LEDs
READY
,
ERROR
and
JAM
blink rapidly to indicate that the test is active.
7.
Toggle SIP switch 1-8. The printer will start the cleaning operation.
LED
READY
blinks rapidly during the operation.
8.
Set DIP Switch 1-3 off to stop the test.