1-4 Troubleshooting Rev. A
Confidential
Printer Mechanism Power on Test
The printer mechanism runs through the following tests when you turn on the power supply to
the printer.
❏ Opens and closes the platen.
❏ Detects carriage home position.
❏ Feeds paper to the thermal printer.
This section describes the items that you can check visually.
Opening and Closing the Platen
The printer opens and closes the platen once. Check this operation with the front cover opened.
Figure 1-3 Opening and closing the platen
check for the platen open and
close operation
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