IBM 4975 02L Maintenance Information page 50

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3205 Forms Feed Motor Adjustment
Service Check
1.
Switch off the printer power.
2.
Remove the access cover (3051).
3.
Switch on the printer power.
4.
Set the switch
e
to the on position.
5.
Set the test switch
G
to the test mode.
6.
Ensure that the paper-release lever
0
is in the
rear position.
7.
Ensure that the mode switch
e
is toward the
front of the printer.
8.
Look at the display
O.
The adjustment is correct
if all lights are off or if only light 1 is on.
If
light
2, light 4, light 8, or any combination of lights 2,
4, and 8 are on, then perform the adjustment.
Adjustment
1.
Switch off the printer power.
2.
Return the mode switch to the Wait position.
3.
Remove the top cover (3052).
4.
Set the switch
e
to the on position.
5.
Set the test switch
G
to the test mode.
6.
Ensure that the paper-release lever
0
is in the
rear position.
3-28
SY34-0613
7.
Ensure that the mode switch
e
is toward the
front of the printer.
8.
Switch on the printer.
9.
Partially loosen the two. screws
G
so that the
emitter housing" can be moved. The screws
should be tight enough to keep the emitter from
sliding down.
Note: The 8-light indicates that the emitter
setting is beyond limits. Move the emitter in
either direction to make the 8-light turn off; then
continue with this procedure.
10. Move the emitter housing., up or down to make
the display
0
indicate the lowest possible number
(all lights off).
11. Tighten one of the screws
G
until an indicator
turns on. Tighten the other screw
G
until the
indicator turns off.
12. Repeat the previous step until the two screws
G
are tight.
13. Perform the service check.
14. Remove the platen (3101).
15. Reinstall the top cover (3052).
Note: The forms feed motor may run backward if
this adjustment is not correct.

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