EPSON WF-C20590 Service Manual Page 501-550

EPSON WF-C20590 Revision A Repair work Adjustment and Inspection Work 501 Confidential 10. Measure the offset amount from the adjustment pattern and calculate the input value. Figure 7-99. Calculation of Offset Amount 11. Return to [46 individual Adjustment: MENU] and then select [4607 Top Registration Adjustment]. 12. With Type selected, press Input Value[] and select the paper type you wish to adjust. 13. With Value selected, press Input Value[] and then enter the adjustment value you calculated in step 10. 14. Check the input and then press OK[] to reflect the adjustment value. Figure 7-100. Adjustment Value Input 15. Select [451 Ruled Line Pattern] from the Diagnostics Pattern Print menu screen. 16. Print the Printing Ruled Line Offset/Top and Side Registration Adjustment Pattern from the adjusted tray/cassette and then check that the offset is within a permissible range. If there is still offset, return to Procedure 3 and perform the adjustment again. a b X Paper center line P Image center line Offset value Leading edge margin Trailing edge margin (1) Offset amount X = (a-b) / 2 (2) Adjustment value Y = Offset value X x 10 Calculation of input value (adjustment value) 1. Calculate the offset amount Measure margins a and b between the paper edge and ruled line vertical line edge with a ruler, insert the values in calculation formula (1), and calculate offset amount X. 2. Calculate the adjustment value Move the decimal point of the calculated offset amount X up (calculation formula (2)) and then round down to the first decimal place. This value is the adjustment value to be entered in [4607 Top Registration Adjustment]. Example: When a = 4.5 mm and b = 1.5 mm Offset amount X= (4.5 - 1.5) / 2 = 1.5 (1.5 mm offset for trailing edge (b side)) Adjustment value Y = -1.5 x 10 = 15 (Round down to first decimal place) ________________________________[]UP___________________________Input Value[] 4607 Top Resistration Adjustment Please set parameter Type: Plain Paper Value: 0 ( 50 to 50 / 0.1mm) []Cancel_________________________[]DOWN________________________________OK[] Button for Applying the Setting Software Keyboard If you enter a value that is outside of the range, the entered value is cleared. After entering a value, press OK to return to the adjustment value input screen. ________________________________[]UP_______________________________________ 4606 Side Resistration Adjustment Select set Paper Type Type: Plain Paper []Cancel_________________________[]DOWN________________________________OK[]
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EPSON WF-C20590 Service Manual Page 501-550