Service manual

From each paper source (ASF and cassette), 2 sheets of paper are ejected. The first sheet is

blank, and the left margin correction pattern is printed on the second sheet.

Printing sequence: For detail, see the flowcharts below.

i) A sheet of paper feeds from the ASF, and ejected blank (single-sided printing).

ii) A sheet of paper feeds from the ASF. Nothing is printed on the front side, and the pattern is

printed on the back side (duplex printing).

iii) A sheet of paper feeds from the cassette, and ejected blank (single-sided printing).

iv) A sheet of paper feeds from the cassette. The pattern is printed on both sides of paper

(duplex printing).

A total of 4 sheets are ejected.

After this, set the correction value to the EEPROM in the steps below.

2) Selection of the parameter mode for left margin correction

Press the Resume/Cancel button the specified number of time(s) according to the parameter

mode listed in the table below, then press the Power button.

Each time the Resume/Cancel button is pressed, the Alarm and Power LEDs light alternately,

Alarm in orange and Power in green.

Number of times the

Resume/Cancel

button is pressed (M)

Parameter mode

0 times Duplex printing from the ASF and cassette

1 time Back side of paper fed from the ASF

2 times Front side of paper fed from the cassette

3 times Back side of paper fed from the cassette

4 times or more Return to the service mode menu selection (after writing to the EEPROM)

3) Setting of the left margin correction value ("+" means to increase the left margin)

Press the Resume/Cancel button the specified number of time(s) according to the correction value

listed in the table below, then press the Power button.

Number of times the

Resume/Cancel

button is pressed (N)

Left margin correction value

0 times Return to the parameter mode selection for left margin correction

1 time +1 pitch

2 times +2 pitches

3 times +3 pitches

4 times -1 pitch

5 times -2 pitches

6 times -3 pitches

7 times or more Return to the service mode menu selection (no writing to the EEPROM)

After the value is set, the printer returns to the parameter mode selection. Repeat steps 2) and 3)

to adjust the left margin in each parameter mode: "back side of paper fed from the ASF," "front

side of paper fed from the cassette," and "back side of paper fed from the cassette."

4) After the left margin correction in all the parameter modes is completed, press the Resume/Cancel

button 4 times or more in the parameter mode selection, then press the Power button to return to

the service mode menu selection.