EPSON Stylus CX4300/CX4400/CX5500/CX5600/DX4400/DX4450 Revision A
ADJUSTMENT Adjustment Items and Overview (T.B.D) 103
5.1.2  Replacement Part Adjustment Items (T.B.D)
The following table indicates the adjustment items for replacement parts.
Note: “Required” in this table indicates the adjustment item that must be executed when the corresponding part has been removed/replaced. “Required” indicates the adjustment item that must be 
executed since the part is related to the corresponding part to be removed/replaced, or the adjustment item that must be executed when the corresponding part has been removed/replaced. “-” indicates 
that no adjustment is required. When you have removed/replaced two or more parts, refer to the corresponding items of all parts. Also, if there are several adjustment items for one exchanging part, 
execute the adjustment in the priority order mentioned in the table.
Table 5-4.  Adjustment Items
Priority 1 2 3 4 5 6 7 8 9 10 11
EEPROM
data copy
Initial 
setting
Waste ink
pad counter
Ink charge
Head ID
input
TOP margin
adjustment
First dot
adjustment
Head 
Angular 
adjustment
Bi-D
adjustment
PF band
adjustment
CR heat 
protection 
control
Hopper
Removal -- -- -- -- -- Required -- -- -- Required --
Replacement
-- -- -- -- -- Required -- -- -- Required --
Main Frame
Removal -- -- -- -- -- Required Required Required Required Required --
Replacement -- -- -- -- -- Required Required Required Required Required Required
Main Board
Removal -- -- -- -- -- -- -- -- -- -- --
Replacement Required -- -- -- -- -- -- -- -- -- --
Replacement
(EEPROM Copy NG)
-- Required
Ink Pads 
must be 
replaced
-- Required Required Required Required Required Required Required
LD roller/ASF unit
Removal -- -- -- -- -- Required -- Required Required Required --
Replacement -- -- -- -- -- Required -- Required Required Required Required
Wasted ink Pads
Removal -- -- -- Required -- Required -- Required Required Required --
Replacement -- -- Required Required -- Required -- Required Required Required --
Printhead
Removal -- -- -- -- -- Required Required Required Required Required --
Replacement -- -- -- Required Required Required Required Required Required Required --
CR Motor
Removal -- -- -- -- -- -- Required Required Required -- --
Replacement -- -- -- -- -- -- Required Required Required -- Required
CR unit/Timing Belt
Removal -- -- -- -- -- Required Required Required Required Required --
Replacement -- -- -- -- -- Required Required Required Required Required Required
Ink System (Pump)
Removal -- -- -- Required -- Required Required Required Required Required --
Replacement -- -- -- Required -- Required Required Required Required Required --
Adjustment item
Replaced parts