EPSON FX-890/2190
Revision B
Adjustment
Adjusting and Resetting the Printer
96
11. Put an adjustment gauge between the Printhead and the PLATEN vertically, and
judge and adjust the platen gap by referring to Table 5-3 below.
For adjustment, turn the SHAFT,CR,GUIDE toward the PLATEN (widen) or
toward the front (lessen). (See Figure 5-2, Figure 5-3)
12. After completion of the adjustment with the carriage located at the right end, make
the judgment with the carriage at the left end and then at the center.
13. When the adjustment is completed, put the printer down and tighten the hexagon
nut and the washer securing the adjust lever.
14. Attach the ribbon mask onto the ribbon mask holder.
Figure 5-2. Platen Gap Adjustment 2
Note1: The numbers followed with # represent the Adjust Step Numbers.
2: The paper thickness at the boundary of two adjacent Platen Gaps is included in the paper
thickness range for the lower Platen Gap.
3: “Platen Gap” means the clearance, as shown in Figure.7, between the platen and the wire
end without the ribbon or paper in between. The Platen Gap must always meet the
appropriate range as shown in Figure 6 under any conditions.
Figure 5-3. Platen Gap Adjustment 3
Table 5-3. Criteria for Platen Gap
Adjustment Gauge
Criterion
0.37 mm
Falls by its own weight
0.40 mm
Does not fall by its own weight
C H E C K
P O I N T
After the adjustment, perform printing and make certain that
there is no problem with print quality.
Single sheet:
The printed side of paper must be free from soiling caused by
rubbing with the ribbon.
Multi-part form:
The copy paper must be free from blurs or traces of rubbing.
Continuous paper (perforated uncut paper):
There must be no catch at perforations in uncut paper.
C A U T I O N
Do not rotate the PLATEN during the adjustment.
Be sure to set the Adjust Lever to the position “0” when
adjusting the platen gap.
Normal Mode
Copy Mode
Platen
Gap (
P
G)
[mm
]
Paper Thickness [mm]
Head
Nose
φ
36.3 mm or more
Wire end
Platen Gap
Platen
Содержание 890N - FX B/W Dot-matrix Printer
Страница 1: ...EPSONFX 890 2190 Serial Impact Dot Matrix Printer SEDM02003 SERVICE MANUAL ...
Страница 8: ...C H A P T E R 1 PRODUCTDESCRIPTIONS ...
Страница 43: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 52: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 65: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 93: ...C H A P T E R 5 ADJUSTMENT ...
Страница 98: ...C H A P T E R 6 MAINTENANCE ...
Страница 104: ...C H A P T E R 7 APPENDIX ...
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Страница 116: ...FOR FX 890 NO 2 R ev 01 C524 E LE C 01 A A B J C B C H E F I K L M G D D 300 450 372 200 400 350 ...
Страница 118: ...FOR FX 890 NO 4 R ev 01 C524_PACK_01 03 01 06 04 04 xx 07 02 02 02 05 05 ...
Страница 120: ...FOR FX 2190 NO 2 Rev 01 C526_ELEC_01 A A B G D E J F F K L B I F H 200 400 373 330 372 450 ...