Platen Gap Motor Value Adjustment - Epson C117001-N - DFX 5000+ B/W Dot-matrix Printer Service Manual

Platen Gap Motor Value Adjustment

4.1.7
section describes how to measure the parameter (ALPHA, BETA, GAMMA value) for the PG
This
mechanism unit. Since the ALPHA and BETA value are unique to each mechanism unit, it is
written on the label as shown in Figure 4-9, so that it can be comfirmed at gance. Be sure to perform
this measurement and correct the value written on the label because the value is necessary when
the other units (board, printhead) are changed (when BI-DIRECT'IONAL PRINTING ALIGNMENT
(section 4.1.8) is executed).
Note: The GAMMA value means the paper thickness parameter. DFX-5000+ has 4 tables in all
from parameter O to parameter-3.-The default setting value is parameter 1, and it may
changed this parameter that there is just reason for it.
exclusive thickness gauge set and tension gauge supplied by EPSON.
Thickness gauge set (0.39 mm): #F616 (Part No. B102O472W
Tension gauge (200g): #F545 (Part No. B765114601)
When adjusting the platen gap to narrower or wider using the MICRO FEED(A) and micro
feed (v) switches, be sure to adjust thegap by
MICRO FEED or(v) switches simultaneously, be sure to adjust the gap by 10 step at a
(A)
time.
by pressing the TEAR OFF and MICRO FEED {v) switches at same time.
4.1.8.
Platen
Rev. D
ALPHA Vatue
-
' (
- -
Figure 4-17. ALPHA and BETA Value
- -
-
using the TEAR OFF and
1 step and
Adjustment
4-11