4.2.5 Disassembling the Printer Mechanism
This section explains procedures for disassembling the major parts or units of the printer
mechanism.
4.2.5.1 Removing the Printhead
1. Remove the upper cover as described in Section 4.2.1.4.
2. Remove the upper frame as described in “Removing the upper frame” on page102.
(Although you can perform this operation without doing this step, doing so makes it
easier.)
3. Rotate the flat gear 73.6 towards yourself (front) and release the carriage lock
mechanism. Then move the carriage to the left edge.
4. Make sure both black and color ink cartridges are removed.
5. Fully open the blue plastic covers for color ink cartridge and squeeze the bottom to
release the blue section from the ink cartridge holder. Turn it slightly so the the knob at
the end of the black cover guide releases from the carriage. Repeat for the black ink
cartridge cover.
6. Remove the carriage FFC and FFC guide as shown in Figure 4-6 on the next page.
7. Remove the tension spring 49
8. Remove one screw (CBP 3x6) and twist the fastener to pull it out the hole on the right
side.
9. Remove the printhead from the carriage.
n See Figure 4-7 on the next page to make sure that the grounding
plate is installed correctly. (There are 2 pins to determine the
location.)
n When installing the printhead, make sure that the location pin
on the carriage side is placed in the notch of the printhead. See
Figure 4-7.
n 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.
n 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, perform the following adjustments
(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)
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