Pro 7900 and 9900 Field Repair Guide 10/6/10
Print Head Installation Printer Component, Software Item, LCD Display, Printer Button Page 169.
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 button and navigate to Maintenance.
15. Press the Menu button and navigate to PWR CLEANING.
16. Press the Menu button, and follow the directions to execute.
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 (if you did not do it before removing the old Print Head).
18.3 Perform the CR Head Slant Adjustment.
18.4 Perform the Gap: Auto Bi-D Adjustment
18.5 Perform the Gap: Auto Uni-D Adjustment
18.6 Perform the Colorimetric Calibration (When specifically requested by Epson)
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