Epson LQ-1170 Service Manual page 85

4.1.2 Platen Gap Adjustment
If you have rotated or reassembled the carriage guide shaft or the adjusting bushing, or if printing is
abnormal, you must adjust the gap between the platen and the printhead.
Remove the printer mechanism from the lower case (see Section 3.2.4).
1.
2. Remove the printhead
3. Use tweezers to remove the ribbon mask from the carriage.
4. Remount the printhead
Set the paper adjustment lever to position O (the second step position) from rear.
6. Move the release lever backward to the friction setting.
7. Move the carriage until the edge of the printhead is at the fifth column print position.
8. Use the box driver (7 mm) to rotate the adjusting bushing on the left frame of the printer mechanism.
from the carriage (see Section 3.2. 1).
Figure 4-2. Removing the Ribbon Mask
on the carriage.
Figure 4-3. The Adjusting Bushing
4-2
Ribbon Mask
o &