A4 Plain Paper Print Check Pattern - Epson 2200 - Stylus Photo Color Inkjet Printer Service Manual

EPSON Stylus PHOTO 2100/2200

5.2.16 A4 Plain Paper print check pattern

This function is designed to check whether the following adjustment results are normal
or not.
!
PW sensor operation check pattern
This is to check the clipping function of the PW sensor.
The gray rectangle pattern is printed as first check pattern. If the left margin is not
3.0mm, perform the PW sensor adjustment again.
The specification for the PW sensor operation (clipping function)
was changed in the firmware later the THO00D ROM (Version
EL3025). As for the detail, refer to the Technical Information
TE02-130 Rev.A)
Due to this modification, the PW sensor operation check pattern in
the Adjustment Program was also changed later Ver. 1.1.
When the Ver. 1.1 Adjustment program is used on product,
The check point is different between old firmware and new
firmware as follows.
Old (before THO00C)
New (later THO00D)
If the Ver.1.0 Adjustment Program is used for the new firmware,
the clipping function can not be checked. So, Do not use the
Ver.1.0 Adjustment Program.
!
PF Adjustment check pattern.
The blue PF adjustment pattern is printed as second check pattern. If the printed
patters have a following condition. perform the PF adjustment again.
"
Each printed patter is overlapped.
"
There is gap between each printed patterns.
ADJUSTMENT
Home position side 80 Col. side
3mm margin 3mm margin
No margin 3mm margin
Adjustments
Revision B
213