Canon LASER CLASS 730i, Service Manual

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LASER CLASS 730i/720i/710 Chapter 5: Appendix
5-24
3. OPTION
3.1 Option Memory (32M-byte/64M-byte)
A 32MB memory board can be added to the SCNT board for LASER CLASS 720i/710, as
image memory for receiving facsimile. See
3.1.2 Service operations
for the installation
procedure.
Either a 32MB memory board or 64MB memory board can be added to the PCL board for
LASER CLASS 730i/720i or Printer Kit III, as image memory for print images. See
3.7 Printer
Kit III
installation procedure.
3.1.1 Safety and precautions
Damage due to electrostatic discharge
Electrostatic charge in the human body is a common cause of damage to electronic parts as
well as changes in their characteristics. When attaching / removing memory boards, be sure
to take measures against electrostatic discharge by using a wrist strap, etc. If memory
boards are handled when an electrostatic charge is present, the electronic parts will suffer
damage.
REFERENCE
Countermeasures for Electrostatic Discharge
For details regarding countermeasures for electrostatic discharge, please refer
to
Chapter 3, 1.2 General Cautions, Damage due to electrostatic
discharge
.
3.1.2 Service operations
a) External view
Figure 5-23 External View
Memory board
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