Troubleshooting - TSC Alpha-4L Service Manual

4. TroubleShooting

Problem
Power indicator does not illuminate
- The printer status from TSC Console
shows "Head Open".
- The printer status from TSC Console
shows "Out of Paper".
- The printer status from DiagTool
shows "Paper Jam".
Memory full
( FLASH / DRAM )
Poor Print Quality
Possible Cause
* The battery is not properly installed.
* The battery is dead.
* The printer carriage is open.
* 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.
Recovery Procedure
* Reinstall the battery.
* Switch the printer on.
* Charge the battery.
* Please close the print carriage.
* Supply a new media roll.
* Please 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.
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