IP-7900-20/21/7700-20/21 Advanced Operation Guide
58
[Symptom C]
l
The print head is scratched by
media.
(1) Check that the media was installed properly with the conditions below.
- The installed media is properly parallel to the Printer and the flange.
- The operation panel shows the media type correctly.
- The supply-side tension bar length is proper and it is placed on the center of the
media.
- The media winding mode is optimal to the installed media.
- If the media is curled or wrinkled, see the description on the problem, “The media is
curled or wrinkled.”
(2) Check the obstructions such as media lint or ink clot in the nozzle surface path
including the platen surface, and remove them.
(3) If the ink is accumulated or the net tears on the spittoon case surface, replace
them.
(4) Perform the daily maintenance.
* Be sure to clean the head guard, edge guards, carriage’s bottom face, and the right
and left sides of the print head top.
* Be sure to perform print head cleaning.
(5) Perform the CHARGE CAP CL.
(6) With the sheet mount cleaning (
Basic Operation Guide page 104
), clean
the print head surface.
* See the document attached to the print head cleaning kit.
*1
Adjust the media advance compensation again.
*2
Note that the print speed differs depending on the mode selected.
*3
Adjust the bidirectional print positions.
