TSC PRINTRONIX AUTO ID Alpha-3R Series Service Manual page 25

Missing printing on the left or right
side of label
Gray line on the blank label
Irregular printing
* Wrong label size setup.
* The print head is dirty.
* The platen roller is dirty.
* The printer is in Hex Dump mode.
* The RS-232 setting is incorrect.
* Set the correct label size.
* Clean the print head.
* Clean the platen roller.
* Turn off and on the printer to skip the dump mode.
* Re-set the Rs-232 setting.
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