Feed Button Modes:
LP/TLP2844-Z
LP/TLP2824-Z
TLP3844-Z R2844-Z

Power Off Mode (Communications Diagnostics Mode)

With the printer power off, press and hold the feed button while you turn on the power.  The printer prints out a listing of its current configuration (see example).  After Printing the label, the printer automatically enters a diagnostic mode in which the printer prints out a literal representation (see HEX DUMP) of all data subsequently received.  To exit the diagnostic mode and resume printing, turn off and then turn on the printer.

Power On Modes

With the printer power on and top cover closed, press and hold the feed button for several seconds.  The green status LED will flash a number of times in sequence.  The explanation at the right (Action) shows what happens when you release the key after the specific number of flashes.
Flash Sequence

Action

* A configuration label prints
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The media sensor calibrates and a media sensor profile prints (see Manual Calibration in the Users Guide. Click on your model to view the Users Guide R2844Z, TLP3844Z, TLP/LP2844Z, TLP2824Z, LP2824Z.
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To reset the communication parameters: Press and release the feed button while the LED flashes.  The serial communication parameters rest to 9600 baud, 8 bits per character, no parity, 1 stop bid, and Xon/Xoff.

For auto baud synchronization: Send a ZPL II format to the printer while the LED flashes.  When the printer and host are synchronized, the LED changes to green.  Note: No labels print during auto baud synchronization.

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Resets the factory defaults, auto calibrates, and saves settings into memory.
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The print width calibrates.  While the status LED alternately flashes green and yellow, a series of stacking rectangles print on the label.  When the rectangle prints to the outer edges of the label, press and release the feed button.  The label width and current communication parameters will be saved into memory.
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The print darkness calibrates.  A series of samples print, starting with the lightest and ending with the darkest image.  When the desired print darkness is achieved, press and release the feed button.  The print darkness will be saved into memory.
If the feed button remains pressed after a 7-flash sequence, the printer will ignore the button when it is released.