Service manual

Chapter 5
5-25
5.7 Test Functions
5.7.1 Test Mode Overviw
0004-3256
Test mode can be executed by following the menu items from the display.
a) DRAM test
Writes data to DRAM image storage areas and read that data to check operations.
b) PRINT test
Prints test patterns within the print area.
c) Modem, NCU tests
The frequency test and the G3 signal transmission and CNG signal and DTMF signals reception tests.
d) FACULTY test
Test the operation of operation panel and sensor functions.
e) PRINTER test
Ink absorber capacity is reset.
f) FLASH ROM UPDATE
Perform version upgrade of ROM.
5.7.2 Test Mode Flowchart
0004-3252
This machine is equipped with the test mode to check operations of variouse functions listed below. Please refer to
Service Data Registration/Setting for instructions to select the test mode. Press the [Stop/Reset] key and then the
[ON/OFF] key to end the test mode.