Chapter 14
14-29
of the signals from the speaker with the sounds from a normal modem.
End this test by pressing the Stop key.
Relay Test
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-14-9
Numeric keypad key 2
The input key and relay are shown below:
F-14-10
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.
Keypad
Type
Description
1
Relay test
Use it to turn on/off a selected relay to execute a switch-over test
2
Frequency test
The modem sends tonal signals from the modular jack and the speaker.
4
G3 signal transmission test
The modem sends G3 signals from the modular jack and the speaker.
5
DTMF signal reception test
Use it to generate the DTMF signal coming from the modem using the
telephone line terminal and the speaker.
6
Tonal signal reception test
Use it to monitor a specific frequency and the DTMF signal received from
the telephone line terminal by causing them to be indicated on the LCD (i.e.,
the presence/absence as detected). The reception signal is generated by the
speaker.
8
V.34 G3 signal transmission test
The modem sends V.34 G3 signals from the modular jack and the speaker.
Keypad
Frequency
0
462Hz
1
1100Hz
2
1300Hz
3
1500Hz
4
1650Hz
5
1850Hz
6
2100Hz
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]
Содержание ImageCLASS MF4690
Страница 1: ...Jul 18 2007 Service Manual MF4600 Series imageCLASS MF4690 ...
Страница 2: ......
Страница 6: ......
Страница 14: ...Contents ...
Страница 15: ...Chapter 1 Introduction ...
Страница 16: ......
Страница 18: ......
Страница 23: ...Chapter 1 1 5 3 Coded Dial key ...
Страница 31: ...Chapter 2 Basic Operation ...
Страница 32: ......
Страница 34: ......
Страница 36: ......
Страница 37: ...Chapter 3 Original Exposure System ...
Страница 38: ......
Страница 40: ......
Страница 42: ...Chapter 3 3 2 F 3 1 drive belt drive pulley drive pulley contact sensor Book motor M2 ...
Страница 48: ......
Страница 49: ...Chapter 4 Original Feeding System ...
Страница 50: ......
Страница 52: ......
Страница 57: ...Chapter 5 Laser Exposure ...
Страница 58: ......
Страница 60: ......
Страница 65: ...Chapter 6 Image Formation ...
Страница 66: ......
Страница 68: ......
Страница 73: ...Chapter 7 Pickup and Feed System ...
Страница 74: ......
Страница 76: ......
Страница 83: ...Chapter 8 Fixing System ...
Страница 84: ......
Страница 86: ......
Страница 94: ......
Страница 95: ...Chapter 9 External and Controls ...
Страница 96: ......
Страница 98: ......
Страница 106: ......
Страница 107: ...Chapter 10 Maintenance and Inspection ...
Страница 108: ......
Страница 110: ......
Страница 113: ...Chapter 11 Measurement and Adjustments ...
Страница 114: ......
Страница 116: ......
Страница 118: ...Chapter 11 11 2 ...
Страница 119: ...Chapter 12 Correcting Faulty Images ...
Страница 120: ......
Страница 122: ......
Страница 126: ......
Страница 127: ...Chapter 13 Error Code ...
Страница 128: ......
Страница 130: ......
Страница 135: ...Chapter 14 Service Mode ...
Страница 136: ......
Страница 140: ......
Страница 175: ...Chapter 15 Service Tools ...
Страница 176: ......
Страница 177: ...Contents Contents 15 1 Service Tools 15 1 15 1 1 Solvents Lubricants Table 15 1 ...
Страница 178: ......
Страница 180: ......
Страница 181: ...Jul 18 2007 ...
Страница 182: ......