Epson R260 Service Manual - Page 113

EPSON Stylus Photo R260/R265/R270, R360/R380/R390 Revision B Adjustment Items Function Item Bi-D adjustment First dot/PW adjustment PF adjustment BRS/PFP adjustment CR motor heat protection control Table 5-1. Adjustment Items Purpose Method Outline This adjustment is made to correct the print timing in the go and return paths in bidirectional printing. Use the adjustment program to print out the adjustment pattern, and enter the adjustment value of the printed pattern with no black/white streaks in the block. † First dot adjustment Use the adjustment program to print the adjustment pattern and Correct the print timing by the software to make enter the adjustment value of printed position 5mm from the left the start printing position of the main scan edge. direction to the value you wish. † PW adjustment Use the adjustment program to print out the adjustment pattern, This adjustment is made to correct the mounting and for each of the 4 sides, enter the adjustment value of the position of the PW Sensor on a software basis to printed line that was 5mm from the paper edge. adjust the detection position and Nozzle position dispersion. This adjustment is made to correct the variations Use the adjustment program to print out the adjustment pattern, of Mechanism, or the paper feeding accuracy. evaluate the pattern based on the criteria, and register the appropriate adjustment value to the printer. This adjustment is made to ensure high print quality at high print speed. For more details, see "2.3 Banding Reduction System (BRS) / Paper Feed Amount Profile Correction (PFP) (p.30) Print the adjustment pattern to be scanned by a specified scanner. According to the scanned result, a correction value is automatically calculated and stored into the serial flash ROM on the main board. The correction value is applied when printing in the corresponding mode. When the Main Board and/or CR Motor is Select this function in the exclusive servicing program, and replaced individually, write the maximum value check the replaced part among those indicated below. of the correction value to prevent motor damage † CR Motor when the CR Motor generates heat. † Main Board † PF Scale † Printer Mechanism According to the checked part, the program automatically makes adjustment. The correction value is saved into the EEPROM. Tool • Adjustment Program • Adjustment Program • Rule • Adjustment Program • Specified Scanner • PFP base scale • Adjustment Program Used Media A4/Letter (Plain paper) A4/Letter (Glossy paper) A4/Letter (Glossy paper) A4 (Matte PaperHeavyweight) 4 x 6 (Premium Glossy Photo Paper) -- Adjustment Adjustment Items and Overview 114