Epson Stylus Pro XL Service Manual download pdf (Page 42)

4.1.6 Head Gap Adjustment (Black and Color Head)

The head gap adjustment is required when the printer mechanism, main board, or printhead (board) is

replaced or disassembled. This adjustment calibrates the head drive timing between the black and color head.

If this adjustment is not made, the vertical alignment will not be completed.

1. Connect the PC to the target printer using a parallel interface cable and turn the printer on.

2. Load BASIC on the PC, and run the program. You see the following destination select menu.

***** Customer *****

1. EAI, EAI (Latin America), EAL, ESP

2. EDG, EUL, EFS, EIS, EIB, EUL (Northern Europe), EUL (Middle East), EHK

4. JAPAN

7. END

Select Menu ?

3. Input the number for the destination. Then the main menu appears, as shown below.

If you enter an incorrect number as the destination selection, printer functions are not

guaranteed.

STYLUS Pro XL+ Program : Rev. X

customer :

1. Head VH input

2. Ink consumption counter reset

3. Head angular & linear adjustment

4. Head position check

5. BK. YMC head gap adjustment (head gap center )

6. Bi-D adjustment (Bi-d center )

7. Head VH indication

10. Change customer & data / END

0. Cleaning

Select Menu ? ■

4. When the main menu appears, choose “5, BK. YMC head gap adjustment” by typing 5 and pressing

ENTER. (The printer prints a check pattern sample with a sample compensation value. The printer prints

a sample like the one shown in the following figure.)

HEAD GAP ADJUST NO. X

Black Line

Color (Magenta) Line

Figure 4-16. Head Gap Adjustment Sample

Stylus Pro XL+ Service Manual Adjustment

Rev.A 4-15

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Epson Stylus Pro XL Service Manual Page 42