Epson Stylus pro 7900 Repair Manual page 169

Pro 7900 and 9900 Field Repair Guide
11. Plug in the Printer, insert the Ink Cartridges, and close the Ink Bay Doors.
12. Defeat the 2 Front Cover Sensors.
13. Turn on the Printer, and let it come Ready.
14. Press the Menu
15. Press the Menu
16. Press the Menu
Note: Power Cleaning is necessary to prime the "negative pressure' Dampers. Other cleaning cycles do
not work as well, or as quickly.
17. Print a Nozzle Check pattern (Perform standard cleanings if necessary).
18. Perform the following adjustments in sequence.
18.1 Perform Clear Counter [when replacing Printhead]
18.2 Perform Head Rank Input
18.3 Perform the CR Head Slant
18.4 Perform the Gap: Auto Bi-D Adjustment
18.5 Perform the Gap: Auto Uni-D Adjustment
18.6 Perform the Colorimetric Calibration
Print Head Installation
button and navigate to Maintenance.
button and navigate to
button, and follow the directions to execute.
(if you did not do it before removing the old Print
Adjustment.
Printer Component,
PWR CLEANING.
(When specifically requested by Epson)
Software Item, LCD Display, Printer Button
10/6/10
Head).
Page 169.