Epson 890N Service Manual - Page 95

Adjusting and Resetting the Printer, Platen Gap Adjustment

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EPSON FX-890/2190 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 reinstalled, or printing is too faint or stained, the Platen Gap adjustment must be performed by the following procedure: 1. Remove the Upper Housing. (p.72) 2. Remove the Printhead. (p.77) 3. Using tweezers, remove the Ribbon Mask from the ribbon mask holder of the Carriage Assembly. C A U T IO N Take care not to deform or damage the Ribbon Mask during its removal or installation. Revision B Ribbon Mask 4. Attach the Printhead onto the Carriage Assembly. 5. Set the PG Adjustment Lever (Lever,Gap,Adjust) in the position "0". (Position the lever in the bottom one of the lever positioning holes in the Frame Assy.,Left.) 6. Rotate the SHAFT,CR,GUIDE so that the large countersink at the left end of the shaft comes upward. 7. Loosen slightly the hexagon nut securing the PG Adjust Lever to the SHAFT,CR,GUIDE. 8. Tilt the printer forward until the Printhead becomes vertical to the reference surface (e.g. the top surface of a table or desk). Put a support (e.g. a stand) underneath the printer to hold the printer at the position. 9. Insert a screwdriver into the countersink located at the left end of the SHAFT,CR,GUIDE. 10. Move the Carriage Assembly to the right end. Figure 5-1. Platen Gap Adjustment 1 Adjustment Adjusting and Resetting the Printer 95

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EPSON FX-890/2190
Revision B
Adjustment
Adjusting and Resetting the Printer
95
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
reinstalled, or printing is too faint or stained, the Platen Gap adjustment must be
performed by the following procedure:
1.
Remove the Upper Housing. (p.72)
2.
Remove the Printhead. (p.77)
3.
Using tweezers, remove the Ribbon Mask from the ribbon mask holder of the
Carriage Assembly.
4.
Attach the Printhead onto the Carriage Assembly.
5.
Set the PG Adjustment Lever (Lever,Gap,Adjust) in the position “0”. (Position the
lever in the bottom one of the lever positioning holes in the Frame Assy.,Left.)
6.
Rotate the SHAFT,CR,GUIDE so that the large countersink at the left end of the
shaft comes upward.
7.
Loosen slightly the hexagon nut securing the PG Adjust Lever to the
SHAFT,CR,GUIDE.
8.
Tilt the printer forward until the Printhead becomes vertical to the reference
surface (e.g. the top surface of a table or desk).
Put a support (e.g. a stand) underneath the printer to hold the printer at the
position.
9.
Insert a screwdriver into the countersink located at the left end of the
SHAFT,CR,GUIDE.
10.
Move the Carriage Assembly to the right end.
Figure 5-1.
Platen Gap Adjustment 1
C
A
U
T
I
O
N
Take care not to deform or damage the Ribbon Mask during its
removal or installation.
Ribbon Mask