Reinstallation; 3356 Print Head Ribbon Lifter; Adjustment; Removal - IBM 4975 02L Maintenance Information

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3356 Print Head Ribbon Lifter
Adjustment
1.
2.
3.
4.
5.
6.
7.
8.
Switch off the printer power.
Remove the access cover (3051).
Move the print head to the center of the platen.
Remove the ribbon cartridge (3405).
Remove the print head cover (two screws) at
e.
Loosen the mounting screw
G.
Set the copy control dial
e
to 8.
Adjust the ribbon lifter until it is even with
t~e
edge of the print head tip
e,
and ensure that It
does not touch either side of the print head or the
ribbon shield window.
9.
Tighten the mounting screw
G.
10. Reinstall the print head cover and·two screws
e.
11. Set the copy control dial
e
to
o.
12. Reinstall the ribbon cartridge (3405).
13. Reinstall the access cover (3051).
3-66
SY34-0613
Removal
1.
Switch off the printer power.
2.
Remove the access cover (3051).
3.
Remove the print head cover (two screws) at
e.
4.
Move the print head to the center of the platen.
5.
Remove the paper deflector and platen (3101).
6.
Remove the ribbon cartridge (3405).
7.
Remove the print head forms guide (3352).
8.
Remove the ribbon shield (3355).
9.
Remove the copy control dial (3357, steps 1 - 4).
10. Remove the ribbon lifter mounting screw
G
and
the lifter.
Reinstallation
1.
Reinstall the ribbon lifter.
2.
Reinstall, but do not tighten, the ribbon lifter
mounting screw
G.
3.
Reinstall the copy control dial (3357).
4.
Perform steps 2 thru 6 of the print head adjust-
ment (3351).
5.
Perform the ribbon lifter adjustment (3356).
6.
Reinstall the print head cover (two screws).
7.
Reinstall the ribbon cartridge (3405).
8.
Reinstall the access cover (3051).

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