Canon LASER CLASS 730i Service Manual page 153

LASER CLASS 730i/720i/710 Chapter 4: Maintenance and Service
6. TEST FUNCTIONS
This fax functions for testing individual operations, such as below.
6.1 Test Mode Overview
Test mode can be executed by following the menu items from the display.
a) D-RAM tests
Writes data to DRAM image storage areas and reads that data to check operations.
b) Print test
Print patterns within the print area.
c) Modem, NCU tests
The frequency test, G3 signal transmission test, and Tonal and DTMF signals reception
tests, and V.34 G3 signal transmission test.
d) Faculty tests
Test the operation of operation panel, sensor functions, and stamp function.
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