Chapter 1 — Using the PB21 and PB31 Mobile Receipt Printer
22 PB21 and PB31 Mobile Receipt Printer User Guide
Understanding Error Mode
The printer enters Error mode when it detects an error condition such
as a low battery or a paper fault. Some error messages appear on the
screen immediately when they occur, such as DOOR OPEN. Other
error messages do not appear until you press the Information
button. If there is more than one error at a given time, the errors
display in the order that they occurred.
Sample Error Mode Screen
If you encounter an error message, see “Understanding Error
Messages” on page 54 for information on how to fix the problem.
Understanding Test Mode
Use Test mode to verify printer settings, test printing, restore factory
default settings, or enter Dump mode for troubleshooting purposes.
Two test modes are available: Test mode and Extended Test mode.
Using Test Mode
Test mode is a simple sequence of events which requires little user
interaction. Extended Test mode requires more user interaction and
lets you select which actions you want the printer to perform.
To enter Test mode
1 Make sure the printer is in Ready mode and is loaded with media.
2 Press the Feed and Standby buttons at the same time and hold
until Select Media appears on the screen and it displays the type of
media you are using.
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