Epson 2200 Service Manual - Page 213

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. CHECK P O IN T 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. Home position side 80 Col. side Old (before THO00C) 3mm margin 3mm margin New (later THO00D) No margin 3mm margin 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 Adjustments Revision B 213