Recovery Procedure - Printronix M4L Administrator's Manual

Problem
Can't downloading the file
to memory (FLASH /
DRAM/CARD)
Poor Print Quality
Missing printing on the left
or right side of label
Gray line on the blank label
Irregular printing
Possible Cause
* The selected memory space is full.
* Media is loaded incorrectly
* Dust or adhesive accumulation on the
print-head.
* Print density (darkness) is not set
properly.
* Print speed is not set properly.
* Printhead element is damaged.
* Too small of label width size is setup.
* The print-head is dirty.
* The platen roller is dirty.
* The printer is in Hex Dump mode. Dump
mode is displayed on the LCD panel.

Recovery Procedure

* Delete unused files in the memory.
* The max. number of DRAM is 256 files.
* The max. user addressable memory space
of DRAM is 2048KB.
* The max. number of FLASH files is 256 files.
* The max. user addressable memory space
of FLASH is 14336KB.
* Reload media correctly.
* Clean the print-head.
* Clean the platen roller.
* Adjust the print density (darkness) and print
speed.
* Run the printer self-test and check the print-
head test pattern for dots missing in the
pattern.
* Change to a proper media roll.
* Set the correct label width size.
* Clean the print-head.
* Clean the platen roller. Please refer to
Maintenance Chapter
* Turn the printer off and on to exit dump
mode.