Printer Mechanism Disassembly; Printhead Unit Removal - Epson 4003353 Service Manual

D i s a s s e m b l e andAssemblv e

3.2.5 Printer Mechanism Disassembly

The procedures described in this section explain how to remove the components within the printer
mechanism.

3.2.5.1 Printhead Unit Removal

1. Remove the printer mechanism. (See section 3.2.4.)
2. Move the carnage to the middle of the printer while pressing the hook that fixes the carriage
unit to the home position.
3. Pull the ink cartridge clamp toward you and remove the ink cartridge.
the old one.
When the ink cartridge is replaced, theprinterperforms the ink ca~"dge replacement
operation automatically.
Exclusive carti"dge is as follows; Monochrome: 1020626
4. Remove the 4 CBB (P) (M3x11) screws securing the ink cartridge holder to the carriage base,
and then lift the ink cartridge holder out of the carriage base.
5. Pull the black or color head toward you and disconnect the head FFC cable on the head driver
board (nozzle selector). Then remove the black or color head.
Take a proper measurement to protect the printhead unitj%om static ele~"a"ty, since the
driver IC is directly attached to the~"nthead unit.
Never touch the metallic nozzle surface cover of the printhead. Handle it only by holding the
edges of the printhead.
When theprinthead or the~"nter mechanism is replaced, the block resistor niust be
replaced at location RMll and RM12 on the C137MAlN Board. (Every spare printhead or
spare printer mechanism comes with a block resistor that is specifically seliwted for each
When removing or changing the black-ti~j the folloti"ng adjustments are needed.
1. Black head angle adjustment (See section 4.1.4)
2. ~kck- Color head vertical adjustment (Seesection 4L5) ~
4. Bi=D alignment adju&ent (See section 4.X?)
Color hehd angle adjustment (See
L
2. Black - Color head vti"cal adjustment (See se&"on 4.1S)
3. Head gap adjustment (See section 4.13)
4. Bi-11 alignment adjustment (See section 4.1.2)
1. Color head angle adjustment (See se~"on 4.1.6)
2. Black head angle adjustment (See section 4.1.4)
3. Black - Colo~head vertical adjustment (See section 4.1.5.)
4. Head gap adjustment (See section 4.1.3)
5. Bi-D alignment adjustment (See section 4.1.2)
1020627
4.1.6).
section
Stylus Color Service Manual
needed.
Rev. A
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