AMT Datasouth M7 SERIES Service Manual page 12

M7 SERIES
Thermal Printer Service Manua
SD card is unable to
use
PS/2 port does not
work
Poor Print Quality
* SD card is damaged.
* SD card doesn't insert correctly.
* Non-approved SD card manufacturer.
* Did not turn off power prior to plug in the
PS/2 keyboard
* PS/2 keyboard is damaged.
* PS/2 keyboard cable termination.
* There is no BAS file in the printer.
* Ribbon and media is loaded incorrectly
* Dust or adhesive accumulation on the
print head.
* Print density is not set properly.
* Printhead element is damaged
* Ribbon and media are incompatible.
* The printhead pressure is not set
properly
l
* Use the supported capacity SD card.
* Insert the SD card again.
* The supported SD card spec.
- 128MB
- 256MB
- 512MB
- 1GB
- 4GB SDHC CLASS 6
* Approved SD card manufacturers; SanDisk,
Transcend
* Turn off printer power prior to plugging in the
PS/2 keyboard .
* Plug the PS/2 keyboard again.
* Return damaged keyboard for repair.
* Verify the BAS file has downloaded into printer.
* Reload the supply.
* Clean the printhead.
* Clean the platen roller.
* Adjust the print density and print speed.
* Run the printer self-test to verify print pattern and
printhead performance.
* Change proper ribbon or proper label media.
* Adjust the printhead pressure adjustment knob.
- If the left side printout is too light, adjust the left
side pressure adjustment knob to the higher
index (higher pressure). If the pressure
adjustment knob has been adjusted to index "5"
and the poor print quality is still at the left side of
the printout, adjust the pressure adjustment
knob to index "1" and use the Z-axis adjustment
knob to fine-tune the pressure.
- If the right side printout is too light, adjust the
right side pressure adjustment knob to the
higher index (higher pressure) to improve the
print quality.
* If the label thickness is more than 0.009 inch,
and the print quality is inadequate, adjust the
heater line adjustment screw counter clockwise
to get the best print quality.
* The release lever does not latch the printhead
properly.
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