Star Micronics LC-4511 Technical Manual page 37

1. Adjustment of Gap Between Print Head and Platen
Remove the Printer cover and ribbon holder [1].
(1)
Loosen nut [3] using jig [2].
(2)
(3) Adjust the head gap at the specified left and right positions (two places).
* Adjust by moving jig [5] forward or backward.
* Use bushing [4] to adjust the gap on the left side until it equals that on the right side.
Gap adjustment values : 0.30 to 0.35mm
Be sure to adjust with the rear cover installed. (Adjustment with rear cover off will increase the gap by about 0.1mm.)
Hold jig [5] in place and push jig [2] toward the rear so as to tighten nut [3].
(4)
(5) Confirm that the setting is correct.
55mm
L
Fig. 3-2 Positioning the carriage unit
Fig. 3-1 Mechanism
Platen [6] 55mm
Carriage [7]
Platen [6]
R
Fig. 3-3 Gap measurement
– 33 –
ADJUSTMENTS
gauge [8]
Head gap
0.30~0.35mm