Owner`s manual

• OPTICAL SENSOR KIT ASSEMBL Y
The optical sensor works with either the new CPU PCB or
the old one. For the optical sensor to work with the old logic
board, you must modify the logic board by adding the
daughter board from the optical sensor kit.
W ARNING: his installation involves soldering a jumper
wire onto a four-layer board. If you are not an experienced
solder technician, do not attempt this procedure.
Procedures for steps that are underlined can be found in
Section 2, T ake-Apart.
Materials Required ImageWriter II printer
ESD-safe workstation
#2 Phillips screwdriver
#1 Phillips screwdriver
#2 flathead screwdriver
Double-ended scribe
1/16-inch or 2-mm pin punch
Soldering iron
Disassembly 1. Before beginning:
a) Set up an ESD–Safe workstation and use ESD
safety measures throughout the following procedure.
(Refer to Y ou Oughta Know T echnical Procedures.
b) V erify printer functions by running self-test and repair
any fault conditions before continuing.
2. Remove the power cord from the printer .
3. Remove the paper , the ribbon, and the tractor covers.
4. Remove the ribbon cartridge and the print head.