Epson WorkForce 1100, Service Manual

Page: 130 / 163

WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 Revision C
Adjustment Adjustment Items and Overview 130
Confidential
Initialize PF
deterioration offset The deterioration amount of the PF Roller Shaft is reflected to
the paper feed correction amount. Every time a sheet of paper is
fed, the deterioration amount is counted on the basis of the
original counter value setting.When the PF Roller Shaft or
Printer Mechanism has been replaced during repair, the PF
deterioration counter must be reset. 1. Select and execute this function in the Adjustment Program.
2. Reset the PF deterioration counter.
Disenable PF
deterioration offset The PF deterioration compensation counter can be reset only
when the PF Roller Shaft is new. To reduce the ancillary work in
servicing, enter the maximum value (value for which
deterioration compensation is not made) if the PF Roller Shaft
has not been replaced. 1. Select and execute this function in the Adjustment Program.
2. Reset the PF deterioration counter.
First dot position
adjustment This function adjusts the print starting position in the CR main
scanning direction. 1. Select this function in the Adjustment Program and print the adjustment pattern.
2. Enter the value whose printed lines meet the adjustment pattern exactly 5 mm away from the left
edge.
3. The correction value is saved to the specific EEPROM address of the Main Board.
PW adjustment This adjustment is made to correct the PW Sensor mounting
position on a software basis to improve a paper detection error
caused by the variation of the mounting position. 1. Select this function in the Adjustment Program and print the adjustment pattern.
2. Select a pattern number 5mm away from each edge, and enter that number in the program.
3. The correction value is saved to the specific EEPROM address of the Main Board.
Head angular adjustment This adjustment is made to correct the error in the Print Head
mounting position (Head angle) to make the nozzle line straight
with respect to the paper feeding direction. Angular
displacement is also checked for. 1. Select this function in the Adjustment Program and print the adjustment pattern.
2. After checking the displacement amount of the pattern, enter the pattern number which has the
smallest amount of displacement.
Bi-D adjustment This adjustment is made to correct the print timing in the go and
return paths in bi-directional printing. 1. Select and execute this function in the Adjustment Program.
2. Pattern printing and adjustment are automatically executed.
Supplement: Be sure to confirm that there are no dots missing before executing this adjustment.
BAND printing
adjustment This adjustment is made to correct the mis-alignment of vertical
lines and timing of printing at monochrome draft printing. 1. Select and execute this function in the Adjustment Program.
2. Pattern printing and select the adjustment value, and write it to the specific EEPROM address on
the Main Board.
PF adjustment This correction is made when the actual paper feed amount
differs greatly from the theoretical value due to paper slip, PF
roller tolerances, etc. during paper feed for printing. 1. Select this function in the Adjustment Program and print the adjustment pattern.
2. Select or measure the adjustment value, and write it to the specific EEPROM address on the
Main Board.
PF band adjustment This corrects variations in paper feed accuracy in the band print
mode to achieve higher print quality. 1. Select this function in the Adjustment Program and print the adjustment pattern.
2. Select the adjustment value, and write it to the specific EEPROM address on the Main Board.
Table 5-1. Adjustment Items
Adjustment Purpose Method Outline