Canon 1730, Service Manual

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Service Mode > Details of Service Mode > #TEST MODE > Details
Service Mode > Details of Service Mode > #TEST MODE > Details
ADF test <6-4: ADF TEST>
Execute the ADF feed test. Select 1-sided/2-sided to execute the test.
Panel test <6-7: PANEL TEST>
Execute the test for LCD, LED, keys, and coordinate position.
Line signal reception test <6-9: LINE DETECT>
Press numeric keypad key 9 on the FACULTY menu to select the line signal reception test. In
this test, verify the successful operations of the NCU signal sensor and the frequency counter.
Menu 1 detects the CI state, while menu 3 detects the CNG signal.
• Test menu 1
Press numeric keypad key 1 on the LINE DETECT menu to select test menu 1. When CI is
detected on the telephone line connection terminal, the touch panel (LCD) display changes
from OFF to ON, indicating the received frequency. The touch panel (LCD) also displays
the on-hook or off-hook state of an external telephone set as detected. The touch panel
(LCD) displays, from left to right, CI, CI frequency, hook port and FC with indications of 1:ON
and 0:OFF.
• Test menu 2
Press numeric keypad key 2 on the LINE DETECT menu to select test menu 2. When the
CNG signal is detected on the telephone line connection terminal, the touch panel (LCD)
display changes from OFF to ON, indicating the received frequency. The touch panel
(LCD) displays the status of CML, CNG and FED detection, from left to right, with ON/OFF
indications. Numeric keypad key 2 turns on the CML relay to detect CNG.
• Test menu 3
Press numeric keypad key 3 on the LINE DETECT menu to select test menu 3. When the
CNG signal is detected on the telephone line connection terminal, the touch panel (LCD)
display changes from OFF to ON, indicating the received frequency. The touch panel
(LCD) displays the status of CML, CNG and FED detection, from left to right, with ON/OFF
indications. Numeric keypad key 3 turns off the CML relay to detect CNG.