Canon LASER CLASS 730i Service Manual page 233

b) Installation
b-1) Precautions
The memory board cannot be installed if the PCL unit (LASER CLASS 730i/720i or
Printer Kit III) has been already attached to the main unit. In this case, remove the PCL
unit once, and attach again with the kit.
The memory board cannot be installed if the Dual-line Upgrade Kit III has been already
attached to the main unit. In this case, remove the Dual-line Upgrade Kit III once, and
attach again with the kit.
b-2) Unpacking
Check that the box contains the memory board.
b-3) Preparation
Perform the steps below before attaching the memory boards.
(1) Output all image data if there is any remaining in image memory.
When attaching memory boards, it is necessary to disable memory backup, so
the complete contents of image memory will be cleared. Output all image data
if there is any remaining in image memory.
(2) Disconnect the power cord of the fax unit at the power source.
(3) Disconnect the modular jack cord (telephone line) from the fax.
(4) Remove the two screws and remove the right cover.
Screws
Figure 5-24 Preparation for Installation 1
LASER CLASS 730i/720i/710 Chapter 5: Appendix
Right cover
5-25