CAUTION

□ Perform adjustments in the order indicated. Always follow the correct order. din printing the adjustment pattern, use 720 dpi exclusive paper, B4-size or wider.

□ If yyou need to remove the color ink cartridge, always install a new cartridge immediately after removing the old one. During adjustments, use cartridges exclusively for service (Color cartridge part number-: 1023207).

□Perform the initial ink charge operation using the adjustment program before sending the unit back to the customer.

Table 4-1. Required Adjustments

Work Performed

Adjustments Needed

After replacing the M-4E60 printer mechanism or the C172 MAIN board or printer mechanism

1. EEPROM initialization (See Section 1.4.2.)

2. Destination data writing operation (See Section 4.1.2.)

3. Head data writing operation (See Section 4.1.3.)*

4. Uni-D alignment adjustment (See Section 4.1.6.)

5. Bi-D alignment adjustment (See Section 4.1.7.)

6. Black - color head vertical adjustment (See Section 4.1.8.)

7. Head gap adjustment (See Section 4.1.9.)

After reset the EEPROM

1. Destination data writing operation (See Section 4.1.2.)

2. Head data writing operation (See Section 4.1.3.)*

3. Uni-D alignment adjustment (See Section 4.1.6.)

4. Bi-D alignment adjustment (See Section 4.1.7.)

5. Black - color head vertical adjustment (See Section 4.1.8.)

6. Head gap adjustment (See Section 4.1.9.)

After replacing or disassembling the black head (or the driver board attached to it)

1. Destination data writing operation (See Section 4.1.2.)

2. Head data writing operation (See Section 4.1.3.)*

3. Black head angle adjustment (See Section 4.1.4.)

4. Uni-D alignment adjustment (See Section 4.1.6.)

5. Bi-D alignment adjustment (See Section 4.1.7.)

6. Black - color head vertical adjustment (See Section 4.1.8.)

7. Head gap adjustment (See Section 4.1.9.)

After replacing or disassembling both black head and optional color head

1. Destination data writing operation (See Section 4.1.2.)

2. Head data writing operation (See Section 4.1.3.)*

3. Black head angle adjustment (See Section 4.1.4.)

4. Color head angle adjustment (See Section 4.1.5.)

5. Black - color head vertical adjustment (See Section 4.1.8.)

6. Head gap adjustment (See Section 4.1.9.)

After replacing or disassembling the carriage unit

1. Destination data writing operation (See Section 4.1.2.)

2. Head data writing operation (See Section 4.1.3.)*

3. Uni-D alignment adjustment (See Section 4.1.6.)

4. Bi-D alignment adjustment (See Section 4.1.7.)

5. Black - color head vertical adjustment (See Section 4.1.8.)

6. Head gap adjustment (See Section 4.1.9.)

After replacing or disassembling the CR motor

1. Uni-D alignment adjustment (See Section 4.1.6.)

2. Bi-D alignment adjustment (See Section 4.1.7.)

Black head only

Black head only

4.1.1 Platen Gap (PG) Adjustment

This adjustment is required after the carriage unit has been removed from the printer mechanism or replaced.

Adjust the distance between the printhead nose and paper surface to within 1.14 ~ 1.18 mm.

1. To prepare for the adjustment, set the platen gap adjust lever to +, set the left parallelism adjustment bushing to its lowest position in the adjustable area, and set the right parallelism adjustment bushing to its highest position in the adjustable area.

2. Insert a thickness gauge (Use a commercially available gauge; for example, you can combine a 1.0 mm blade, a 0.1 mm blade, and a 0.08 mm blade from the gauge.) in the adjustment position on the left side of the lower paper guide assembly, as shown in the figure. Then move the carriage unit to the left side of the printable area.

Thickness Gauge

Thickness Gauge

Figure 4-1. Thickness Gauge Position

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