Service Test Functions; Test Mode Overview - Canon FAX-L350 Service Manual

6. TEST FUNCTIONS

6.1 Service Test Functions

The fax functions for testing individual operations, such as below.
See Page 3-36 for details of entering the test mode. To leave the test mode, press the CLEAR button.

6.1.1 Test mode overview

Test mode can be executed by following the menu items from the display.
a) DRAM tests
Writes data to DRAM image storage areas and reads that data to check operations.
b) Print test
Prints nine different patterns within the print area.
c) Modem, NCU tests
These tests comprise the frequency test ,the G3 signal transmission test, and the CNG and DTMF signals
reception test, and V.34 G3 signal transmission test.
d) Faculty tests
These test check the operation of operation panel and sensor functions.
FAX-L350 Chapter 3: Maintenance and Service
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