Epson Stylus Pro 7700 Service Manual page 165

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908
Symptom Occurrence condition
The outline becomes The outline of the white ink in
translucent.* color print becomes
translucent.
Color print becomes In the Surface Print mode,
transparent and mottled. color print becomes
transparent or partially
transparent and mottled. Does
not occur in the Reverse Print
mode.
Note "*": Does not occur if used within the specified duty in the specified usage environment (may; however, occur if too much duty is applied).
TROUBLE SHOOTING
Cause
• If there is more water than the capacity of absorption of the CPF,
excess water remains in the white ink and the ink becomes
translucent.
• If the color ink is printed on the white ink, the moisturizer (glycerin)
in the color ink spreads from the color print area to the white ink
surroundings.
Color ink
white ink Translucence
CPF
• This symptom occurs when the CPF's absorbability becomes low
due to a low temperature or high duty printing.
• When printing with duty even higher than this symptom, oozing or
uneven sedimentation occurs.
Remedies for Print Quality Troubles
Remedy/Points to be checked
• Print in the guaranteed usage environment
• Lower the white ink duty on the RIP setup or on the
image data.
Revision I
(See P.152).
165
Confidential