Troubleshooting; Common Problems - TSC Alpha-4L Service Manual

TROUBLESHOOTING

4.

4.1 Common Problems

The following guide lists the most common problems that may be encountered when
operating this bar code printer. If the printer still does not function after all suggested
solutions have been invoked, please contact the Customer Service Department of your
purchased reseller or distributor for assistance.
Problem
Power indicator does not
illuminate
- The printer status from
DiagTool shows "Head
Open".
- The printer status from
DiagTool shows "Out of
Paper"..
- The printer status from
DiagTool shows "Paper Jam".
Memory full
( FLASH / DRAM )
Poor Print Quality
Missing printing on the left or
right side of label
Gray line on the blank label
Possible Cause
* The battery is not properly
installed.
* The battery is dead.
* The printer carriage is open. * Please close the print carriage.
* Running out of media roll.
* The media is installed
incorrectly.
* Black mark sensor is not
calibrated.
* Black mark sensor is not set
properly.
* Make sure media size is set
properly.
* Media may be stuck inside
the printer mechanism.
* The space of FLASH/DRAM
is full.
* Media is loaded incorrectly
* Dust or adhesive
accumulation on the print
head.
* Print density is not set
properly.
* Printhead element is
damaged.
* Wrong label size setup.
* The print head is dirty.
* The platen roller is dirty.
30
Recovery Procedure
* Reinstall the battery.
* Switch the printer on.
* Charge the battery.
* Supply a new media roll.
* Please refer to the steps on section 3.4 to
reinstall the media roll.
* Calibrate the black mark sensor.
* Calibrate the black mark sensor.
* Set media size correctly.
* Delete unused files in the FLASH/DRAM.
* The max. numbers of DRAM is 256 files.
* The max. user addressable memory space
of DRAM is 256KB.
* The max. numbers of file of FLASH is 256
files.
* The max. user addressable memory space
of FLASH is 2560KB.
* Reload the supply.
* Clean the print head.
* Clean the platen roller.
* Adjust the print density and print speed.
* Run printer self-test and check the print
head test pattern if there is dot missing in
the pattern.
* Change proper media roll.
* Set the correct label size.
* Clean the print head.
* Clean the platen roller.