Adjustments
Carriage Guide Shaft Parallelism Adjustment
The rear carriage shaft must be parallel to the platen. If it is not, printing may be
abnormal because paper is not fed evenly at the left and right sides
platen.
A paper jam may occur. This adjustment is required when the rear carriage guide
shaft is removed during carriage mechanism disassembly, the parallelism adjust
lever is moved, or the platen is removed. Do not remove the printer mechanism (If
you remove the printer mechanism from the lower case, the adjust value will be
incorrect when you reassemble the printer mechanism into the lower case.) Also,
it is necessary to remove the tension roller shaft before performing this
adjustment. (See page 3-36.)
Caution
Theparallelism is adjusted so that the difference between the distances (from the
to theplaten measured at the two positions shown in Figure 4-7) is
less than
0.01
mm. Since this value is extremely small, you must use the 2 dial gauges, dial
gauge base, and dial gauge muster supplied by EPSON. Do not adjust theparallelism
using any other method.
Dial gauge #
no. 1019466)
Dial gauge base
# F611
no. 1019467)
Dial gauge muster # F612
no. 1019468)
Before performing the carriage guide shaft parallelism adjustment, you must
assemble the 2 dial gauges, dial gauge base, and dial gauge master to form one
tool. Follow these steps:
1.
2.
3.
4.
Temporarily attach the 2 thumb screws for the dial gauge base to the dial
gauge master, but do not secure them completely.
Loosen the 2 hexagonal screws and insert the 2 dial gauges into the holes in
the dial gauge base. (At the same time, keep both bits in contact with the
surface of dial gauge master and then set the positions of the large and small
needles on the 2 dial gauges. (The small needle keeps a count of the rotations
large needle.)
Tighten the 2 hexagonal screws.
To eliminate any play between the dial gauge base and dial gauge master, pull
the tie band to secure the dial gauge base and dial gauge master before
securing the thumb screws. (This procedure requires two people.)
4-6
EPSON
Service Manual
Содержание DFX-5000+
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