Epson Stylus Pro 7700 Service Manual page 150

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908
Symptom
Ink smear (printed area) Paper is curled or creased.
The printed area of paper is contaminated by ink smear in the paper feed path.
Paper is rubbed against the printhead.
There is a foreign material or dirt absorbing ink around the Printhead.
Paper is floating from the platen.
This smear occurs because the paper on which ink dries slowly is used.
If the smear occurs the leading/posterior edge, the paper may touch the Printhead
due to the deformation resulted from the high duty printing.
Ink smear (backside) Paper is curled or creased.
The backside of paper is contaminated by ink smear in the paper feed path.
Printing is made on the platen, and it is contaminated.
The waste ink pads for borderless printing are not securely attached and
contaminating paper.
TROUBLE SHOOTING
Description
Remedies for Print Quality Troubles
Remedy/Points to be checked
Change the paper with a new one.
Check the PF roller for ink smudges, and clean it if any dirt is observed.
Widen the platen gap.
Check around the Printhead for a dirt or foreign material, and remove it if any.
Change the setting of [PAPER SUCTION] to a higher level from the Control Panel.
Check the operation of the Suction Fan, and replace it with a new one if there is
abnormality. (See P.261)
Change the setting of [DRYING TIME] from the Control Panel.
Try printing the current job again with the top and bottom margins widened.
Change the paper with a new one.
Check the platen and PF roller for ink smudges, and clean them if any dirt is
observed.
If the [PAPER SIZE CHECK] in the [PRINTER SETUP] menu is set to OFF, the
printer will print on the platen. It results in the ink smear. Therefore, set the
[PAPER SIZE CHECK] ON or configure the correct paper size.
Carry out the Platen Position Adjustment.
Check the waste ink pads for borderless printing and reattach them correctly if
there is abnormality.
Revision I
150
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