Removing the Print Head Unit
1. Remove the housing. (Refer to Section 4.2.1.)
2. Rotate the flat gear 67.2 towards yourself (front) and release the carriage lock mechanism. Then move the carriage to the left edge.
3. Take both black and color ink cartridges out of the printhead unit.
4. Remove the blue covers for black and color ink cartridges from the carriage assembly.
5. Remove the torsion spring 49 and one screw (No.3) and take the fastener head out.
6. Remove the FFC being placed on the carriage assembly, and remove the printhead unit from the carriage.
7. Disconnect the FFC from the connector on the drive board built in the printhead unit.
See the following pages for the figures below:
Figure 4-6, "Removing the Print Head" Figure 4-7, "Installing the Printhead"
■ Make sure that the earth board is installed to the carriage correctly. (There are 2 pins to determine the location.)
■ When you install the printhead to the carriage, make sure that the location pin on the carriage side is placed in the notch of the printhead.
caution
■ Since the ink cartridge once taken out can not be used again, be sure to install a new ink cartridge when you return the printer to the user.
■ When you return the printer to the user, be sure to pack the printer for transportation with a new ink cartridge installed and the carriage in the home position when the printer is turned on.
When you replace the printhead unit, perform the following adjustment. (Refer to Chapter 5 for more details.):
1. Initial ink charge (Refer to Chapter 5/Section 5.2.2.3)
2. Head Voltage ID Input (Refer to Chapter 5/Section 5.2.2.7.)
3. Head Angular Adjustment (Refer to Chapter 5/ Section 5.2.2.8.)
4. Bi-D Adjustment (Chapter 5 /Section 5.2.2.9)
Fastener Head
Note: There is no actuators on the printhead for Stylus Color 740.
Figure 4-6. Removing the Print Head
Fastener Head
Note: There is no actuators on the printhead for Stylus Color 740.
Figure 4-6. Removing the Print Head
Make sure that this
Grotrusion is in the ditch of the priht head side.
This part should be touching the
Make sure that the protrusion of the carriage is aligned with the hole of the earth board.
Make sure that this
This part should be touching the
Make sure that the protrusion of the carriage is aligned with the hole of the earth board.
Carriage Assembly Print Head
Nozzle Selector; Stylus Color 440: 1 piece Stylus Color 640: 2 pieces
Figure 4-7. Installing the Printhead
Carriage Assembly Print Head
Nozzle Selector; Stylus Color 440: 1 piece Stylus Color 640: 2 pieces
- Nozzle Selector has been enclosed into head. Stylus Color 740
Figure 4-7. Installing the Printhead
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