Canon imageRunner 2022, Service Manual

Page: 375 / 418

Chapter 15
15-53
Press '1'or '2' on the keypad on the Modem test menu to select relay test mode. Use the keypad to operate the various relays of the NCU. '2' on the keypad is used
for 230V machine.
Numeric keypad key 1
The input key and relay are shown below:
F-15-19
Numeric keypad key 2
The input key and relay are shown below:
F-15-20
The touch panel (LCD) is turned on or off in relation to the transmission of the relay operation signal as is operated on the keypad; for this reason, you cannot use
the touch panel (LCD) to check a fault on a single relay.
Frequency Test
A press on '2' on the keypad from the MODEM test menu selects the frequency test.
In this test, signals of the following frequencies from the modem are transmitted using the telephone line terminal and the speaker. To select a different frequency,
use the keypad.
MEMO:
The frequency and the output level of individual frequencies are in keeping with the output level set in service mode.
G3 Signal Transmission Test
A press on '4' on the keypad from the MODEM test menu selects the G3 signal transmission test. In this test, the following G3 signals from the modem are trans-
mitted using the telephone line terminal and the speaker. To select a different transmission speed, use the keypad.
Keypad Frequency
1 462Hz
2 1100Hz
3 1300Hz
4 1500Hz
5 1650Hz
6 1850Hz
7 2100Hz
Keypad Transmission speed
0 300bps
1 2400bps
2 4800bps
3 7200bps
4 9600bps
5 TC7200bps
6 TC9600bps
7 12000bps
8 14400bps
RELAY TEST1 OFF OFF
OFF OFF OFF OFF
[1] [2]
[3] [4] [5] [6]
RELAY TEST2 OFF OFF
OFF OFF OFF OFF OFF
[1] [2]
[3] [4] [5] [6] [7]