Troubleshooting guide

Airport Bag Tag Printers Unimark 8500 Bag Tag Printer
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2.4 Maintenance
2.4.1 Cleaning the Thermal Print Head
To clean the 8500’s print head, complete the following steps:
12 Press ENTER. Press the Down Arrow key until the following message appears:
MAINTENANCE
PRINT HEAD CALIBRATE
13 Press ENTER. Press the Up Arrow twice to get the following message:
CALIBRATE PRINT HEAD
(Exit=no) (Enter=yes)
14 Press ENTER. The following message will flash:
FUNCTION COMPLETED
15 Press EXIT three times.
16 Press ENTER.
17 Press EXIT.
18 Press ONLINE to switch the printer online.
Step Action
1 Power off the unit. Unplug the unit’s AC power cable from the power source.
2 Open the printer’s cover by pressing the cover release button.
3 After the cover pops open, lift the cover to the full upright position.
4 Press the print head release latch downward to open the print head assembly.
Step Action (Continued)