Printer Mechanism Disassembly; Printhead Unit Removal - Epson STYLUS 4001968 Service Manual

3.2.5 PRINTER MECHANISM Disassembly

The procedures described in this section explain removal of components within the printer
mechanism.

3.2.5.1 PRINTHEAD UNIT Removal

[Step 1] Remove the printer mechanism. (Refer to section 3.2.4.)
[Step 2] Move the carriage to the middle of the printer. The carriage is located between first and
second paper guide roller, as illustrated in figure below. Pull the ink cartridge
towards you and remove the ink cartridge.
[Step 3] Release the tabs holding thecarnagecover (4 tabs), andtakethe cover off.
CN3, and the cable from connector CN1), and remove it.
proper measurement
driver IC is directly atiached on the printhead unit.
Never touch the nozzle surface and a metallic cover of the printhead. Handle it by only
holding the edges of the printhead.
When the ~"nthead or the printer mechanism is replaced, the block resistor must be
replaced at location RM22 on the C106 MAIN BOARD. (Every spare printhead or spare
printer mechanism is come with a block resistor that specifically selected to each
Rev. A
to protect a printhead unitflom static-electi"city, since the
Figure 3-6. PRINTHEAD UNIT Removal "
Disassembly and Assembly
3-7