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5 Adjustments
5.4 Adjusting the Head Switches
The head switches prevent printing when the printhead ore the backfeed system are open.
Adjust the head switches if the error message Head open appears in the display even though the printhead and the
backfeed system are locked.
Danger!
Risk of death via electric shock!
Before opening the rear cover, disconnect the device from the mains supply and wait at lease one
minute until the power supply unit has discharged.
Figure 21 Adjusting the head switches
1. Unplug the printer from the electrical outlet.
2. Remove the rear cover 2.2 on page 6.
3. Lock printhead and pinch roller.
4. Slightly loosen the xing screws (3) of the head switch (1 or 2).
5. Move the head switch housing and switching lever (4) to a parallel position.
6. Fix the head switch in this position.
7. Check whether the Head open message is still shown in the display. If this is the case, replace the switch with
cable.
8. Mount the rear cover.