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Print Head Gap Adjustment
The automatic print head adjustment uses one needle of the print
head to sense the gap and will put a very light mark on the first
sheet of paper after loading paper.
Adjust Top-of-Form
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Press the FIRST key.
Press the ENTER key.
Print head gap is the distance from the print head nozzle to the striker
bar. If this gap is too tight, the printout will smudge. If the gap is too
large, the printout will be light and ragged, and print head wear will
accelerate.
Dual paper path printers will automatically adjust the print head gap. The
printer senses the thickness of a form when it is loaded and adjusts the
print gap accordingly.
The automatic print head adjustment can be fine tuned for best print
quality. Semiautomatic head gap adjustment and fixed head gap may
also be selected. For more information on these selections see Chapter
7 in the 3860/80 User's Manual.
On single paper path printers, the manual gap adjust lever is under the
top cover, to the right. The adjustments range from 1 to 6 and a
"Change Ribbon" setting. Move the lever to provide the best print quality
for the paper or form being used.
When loading the very first form, the printer feeds paper so that the top
of the first printable line of characters is slightly below the top of the
paper. Ideally, the application software that composes the page should
advance paper to the first print line upon printing.
To adjust vertical paper position, make sure the printer is not in the menu
mode. Use the UP ARROW and DOWN ARROW keys to advance or
retract the paper, much like a paper advance knob on some printers.
Using these keys causes an "unregistered move" that allows you to
adjust the paper vertical position independent of the printer vertical
registration.
Moves paper up by 1/72 inch per click. Experiment with
it and see how it works.
NOTE:
GEK-01054