Epson FX 890 - B/W Dot-matrix Printer, Руководство по обслуживанию

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FX-1180/FX-880 Service Manual
Chapter 5 Adjustment
Rev.B 5-3
10. Insert a screwdriver into the countersink located on the left side of the SHAFT,CR,GUIDE and
turn it until the PLATEN and Printhead come in light contact.
11. Move the carriage assembly to the left end.
12. Insert the thickness gauge (0.38 mm) between the Printhead and the PLATEN.
13. Insert the screwdriver into the countersink and turn it until the PLATEN and Printhead come in
light contact.
14. Repeat the steps from 10 to 13, rotating the BUSHING,PARALLELISM,ADJUST until the
parallelism gaps at the right and left become less than 0.02 mm.
15. When the parallelism gaps at the right and left are less than 0.02 mm, move the carriage
assembly to the center of the printable area.
16. Insert the thickness gauge between the printhead and the PLATEN, and turn the
SHAFT,CR,GUIDE so that the platen gap becomes 0.365
±
0.015 mm.
0 . 3 6 5 + / - 0 . 0 1 5
P L A T E N
P r i n t h e a d
Figure 5-3. Platen Gap
17. When the adjustment is complete, tighten the hexagon nut and the washer securing the
adjust lever.
18. Remove the printhead once, and install the ribbon mask.
19. Attach the printhead back onto the carriage assembly.
CHECK POINT
9
Do not rotate the PLATEN during the adjustment.