Default Setting Parameter Registration; Paper Gap Adjustment - Epson Stylus 800 Service Manual
Terminal printer
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Also See for Stylus 800:
- User manual (240 pages) ,
- Service manual (187 pages) ,
- Manual (21 pages)
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Adjustment
4.3 DEFAULT SEITING PARAMETER REGISTRATION
The set-up value that specifies the product distribution destination is stored in EEPROM m the
main board (C134 MAIN). Therefore, this set-up value must be written in EEPROM when the main
board or the EEPROM chip is replaced.
1. Connect the PC to the printer and turn on both units.
2. Execute BASIC on the PC and start the DONAUP.BAS program.
3. When the Market Select menu appears, enter your market number.
4. When the Main Menu appears, enter 1 to select Default Setting Pamneter -ti~"
5. When the next menu appws, press Y and h-en EMer. The program transikrs the default
setting parameters to the printer.
6. Press Y and then Enter to return to the Main Menu. The transfemd setting parameters am
stored in EEPROM when the printer is turned off.
4.4 PAPER GAP ADJUSTMENT
When the
printer mechanism is d isassembled to remove or mplam the carriage unit, adjust the
print quality.
1.
Place the paper gap (PG) gauge (#F609) in the adjustment position on the left side, as shown in
the figure below, so that the top edge of the gauge contacts the support plate of the base frame
assembly.
2.
Move the carriage to the position where the PG gauge is attached, while lifting up the front
edge of the carriage to wid= the gap between the printhead and the mduuus "m.
3.
Carefully place the carriage on the PG gauge and verify that there is a gap between the front
edge of the carriage unit and the front frame.
Table 4-1. Gap and Adjustment Direction
Gap between Carriage and Front Frame
(Gap exists between
4.
Rotate the parallelism adjustment bushing on the left end of the carriage guide shafi until the
gauge, the front edge of the carriage unit pops up and moves the bushing 1 step in the reverse
direction.
5.
Remove the PG gauge and place it in the adjustment position on the right side.
6.
Repeat steps 2 to 4, and adjust the gap with the parallelism adjustment bushing on the right
side of the carriage guide shaft.
7.
Verify the gap for the left adjustment position again by rotating the bushing 1 step
counter-clockwise (CCW) and seeing whether the front edge of the carriage unit pops up.
4-2
Yes
Left Buahing
Right Buahing
Rev. A
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