Pro 7900 and 9900 Field Repair Guide 10/6/10
Color Shift Printer Component, Software Item, LCD Display, Printer Button Page 222.
Color Shift
Note: Most color shift issues are not caused by a printer problem, but by the customers “work flow”.
“work flow” refers to the customers color management. Usually the printer will accurately print the
image that it is sent. If the customer is un-aware of the true color of the image, because of a “work
flow” issue, the customer will blame the Printer for the perceived color inaccuracy.
Missing Nozzles can impact color, so they should be checked. Verify that 8 colors are printed, and all the nozzles for
each color are working.
Use your computer, driver, image, and paper to verify the operation of the Printer. Ensure that you use the proper
driver setting for the media being used. If the color appears normal, then the user’s “work flow” is the issue.
Verify that the Printer is filled with Epson Ink. Non-Epson Ink can cause a color shift.
If the color is incorrect using your materials, and the customers, replacing the Main Board and the Print Head at the
same time may correct the issue.
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