Epson 4003353 - Manual (Page 81)

Co/or Adjustments
4.1 OVERVIEW
This section describes the adjustments that are required when the printer is disassembled and
assembled after repair.
this printer has both the black head and color head, it needs new
adjustments not required previous printers. Perform the suitable adjustments by referring to the
following table.
■ The adjustments must be performed the order indicated. Always follow correct order.
■ When performing steps 1-5, perform the cleaning operation and
heads. The cleaning operation is needed because the sample patterns the head
angle, alignment, and the head gap increases the viscosity of the ink and the printer
not print the correct value. For instance if you replace the blackhead, you must do the
following adjustments in the order shown:
head angle, black-color head vertical, head gap, alignment.
When removing the ink cartridge, always install a new immediately removing
the old one. At this time, use the exclusively for (Monochrome: 1020626,
1020627).
Table 4-1. Required Adjustments
Work Contents Adjustment Contents
When replacing the M-4A1O
1. alignment adjustment (See section 4.1.2)
printer mechanism
2. Head gap adjustment (See section 4.1.3)
3. Internal timer reset operation (See section 4.1.8)
When replacing or
disassembling the
1. Destination data writing operation (See section 4.1.1)
C137 MAIN board or printer
2. alignment adjustment (See section 4.1.2)
mechanism
3. Head gap adjustment (See section 4.1.3)
When replacing or
1. Blackhead angle adjustment (See section 4.1.4)
disassembling the black head
2. Black - Color head vertical adjustment (See section 4.1.5)
(board)
3. Head gap adjustment (See section 4.1.3)
4.
alignment adjustment (See section 4.1.2)
When replacing or
1. Color head angle adjustment (See section 4.1.6)
disassembling
2. Black - Color head vertical adjustment (See section 4.1.5)
the color head (board)
3. Head gap adjustment (See section 4.1.3)
4.
alignment adjustment (See section 4.1.2)
1. Color head angle adjustment (See section 4.1.6)
When replacing or 2. Black head angle adjustment (See section 4.1.4)
disassembling 3. Black - Color head vertical adjustment (See section 4.1.5)
both the color and black head 4. Head gap adjustment (See section 4.1.3)
5. alignment adjustment (See section 4.1.2)
When replacing or
disassembling
1. Platen gap adjustment (See section 4.1.7)
the unit
Rev. A
4-1