Carriage Unit Removal - Epson STYLUS PRO XL 4004677 Service Manual

Disassembly and Assembly

3.2.5.2 Carriage Unit Removal

1. Remove the printer mechanism (see Section 3.2.4).
2. Move the carriage to the left side of the printer while pressing the hook that fixes the carriage
to the home position.
3.
Remove the 2 CBN (O) (M3 6) screws securing the eject frame to both side frames.
CBS(O) (M3x6)
Eject Frame
4. Remove the cartridge holder with ink cartridge from the carriage unit (see Section 3.2.5.1).
5. Release the carriage timing belt from the belt pulley while pressing the pulley lever.
6. Remove the grounding wire from the left side frame.
7. Remove the 2 parallelism adjustment bushings from both side frames.
8. Lift the carriage unit with the carriage guide shaft out of the printer mechanism.
Grounding Wire
Parallelism
Adjust Bushing
Take proper measures to protect the printhead unit from static electricity, because the
driver IC is directly attached to the printhead unit.
Never touch the printhead's metallic nozzle cover surface. Handle it only by holding the
edges of the printhead.
When you replace the printhead or the printer mechanism, you must replace the block
resistor. (see Table 3-2).
Platen gap adjustment (see Chapter 4).
3-12
Figure 3-11. Front Frame Removal
Figure 3-12. Carriage Unit Removal
CAUTION
ADJUSTMENT REQUIRED
Stylus Pro XL
CBS(O) (M30x11)
Pulley Lever
Parallelism
Adjust Bushing
REV.-A