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v Reinstall the paper bail and ribbon. Power on (|) the printer.
v Verify the menu configuration is set to Front AFTA = 0. This invokes the microcode to use the print head
needle, motor, and the internal logic to detect the thickness of the forms that are positioned against the
platen.
v Load a single sheet of 20 lb. (80 g/m
lb. paper might measure as little as 0.09 mm (0.0038 in.) thick
v As this paper loads, verify that under motor control, the wheel rotates from the full-open position (near the 9
to 10 mark) to the full-close position (near the 0 to 2 mark).
v Park and reload the forms a few times to verify that the wheel position is repeatable.
a. If the wheel does not rotate, power off (O) the printer and check the motor connections, motor, and the
engine board.
b. If the wheel does not move to the full-open position, then to the full-close position, power off (O) the
printer and check for binds in the mechanism.
v When the wheel moves repeatedly to full-open and back to the same position, note the closed position
number (near the 0 to 2 mark). For later use identify that number as A.
2. Verify AFTA operation with two-part forms.
In this section, using a 2 layer form, you must get the wheel position to increase by 1 number above the result
A using the 1 layer of single part form.
v Park the single-part forms.
v Set the operator panel menu item Front AFTA = 0.
2
) paper. This paper is about 0.1 mm (0.004 in.) thick. Occasionally 20
Chapter 5. Removals, service checks and adjustments
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