Adjusting And Resetting The Printer; Platen Gap Adjustment - Epson FX 890 - B/W Dot-matrix Printer Service Manual

5.2 ADJUSTING AND RESETTING THE PRINTER

5.2.1 Platen Gap Adjustment

When the SHAFT,CR,GUIDE or BUSHING,PARALLEL,ADJUST is rotated or reassembled, or
printing is too faint or stained, the Platen Gap adjustment must be performed in the following
order:
1. Remove the Upper Housing. (See Section 4.2.4.)
2. Remove the printhead from the carriage assembly. (See Section 4.2.1.)
3. Using tweezers, remove the ribbon mask from the carriage assembly.
4. Attach the printhead onto the carriage assembly.
5. Set the paper adjustment lever to the position "0"(the second step position) from the rear.
6. Rotate the SHAFT,CR,GUIDE so that the large countersink on the left edge of the shaft
comes upward.
7. Move the carriage assembly to the right end.
8. Loosen the hexagon nut securing the PG adjust lever and the SHAFT,CR,GUIDE a little.
9. Insert a thickness gauge (0.38 mm) between the Printhead and PLATEN.
Rev.B
Figure 5-1. Ribbon Mask Removal
Figure 5-2. SHAFT,CR,GUIDE Setting
FX-1180/FX-880 Service Manual
Chapter 5 Adjustment
5-2