Service manual

Service Manual 9-5
Checks and Adjustments 9
Thermal head motor check
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 8-3.
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 Switch 1-3 on to start the test. LEDs ERROR and JAM blink rapidly
to indicate that the test is active.
6. Toggle DIP Switch 1-8 to make the thermal head move to its print position.
LED READY blinks rapidly.
7. Toggle DIP Switch 1-8 again to make the thermal head move to its standby
position. LED READY turns off.
8. Set DIP Switch 1-3 off to stop the test.
Transfer roll feed check
Note Don't run this test for a prolonged period of time since it consumes the
transfer roll.
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 8-3.
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 Switch 1-7 on.
6. Set DIP Switch 1-3 on to start the transfer roll motor LEDs ERROR and
JAM blink rapidly to indicate that the test is active. You should be able to
observe the transfer roll in motion as it is would act on the take-up roll. At the
left side of the print engine, you can also observe the rotating shaft end of the
transfer roll motor.
7. Set DIP Switch 1-3 off to stop the motor and the test.