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41316401TH Rev.9
72 /
Oki Data CONFIDENTIAL
3.1.2.3 Switch scan test
This self-diagnosis is used when the input sensor and the switch are checked.
1. Enter the general diagnosis mode, and press and hold the
1
1
1
1
1
and
5
5
5
5
5
keys down until “SWITCH
SCAN” appears on the upper display (the
1
1
1
1
1
key increments a test item and the
5
5
5
5
5
key
decrements a test item).
Operate the units (Figure 3-1). Their respective liquid crystal displays are provided (Displays
vary by sensor. See Table 3-1 for details).
4. When the
7
7
7
7
7
key is touched, the SWITCH SCAN number goes back to an indication view (stops
blinking).
5. Repeat steps 2 through 4 as required.
6. To end the test, press the
4
4
4
4
4
key (the display is restored to the view of step 1).
SWITCH SCAN
2. Table 3-1 lists SCAN numbers. Hold the
2
2
2
2
2
and
6
6
6
6
6
keys down until the SCAN number for a unit
to be tested shows up on the upper display (the
2
2
2
2
2
key increments a test item and the
6
6
6
6
6
key
decrements a test item).
3. In response to the press of the
3
3
3
3
3
key, the test starts, the SWITCH SCAN number begins
blinking, then the corresponding unit number (any of 1 to 4) and the current status are displayed.
SWITCH SCAN 00
1=H 2=L 3=H 4=L
Summary of Contents for C7400
Page 14: ...41316401TH Rev 9 14 Oki Data CONFIDENTIAL 2 2 Parts layout Figure 2 1 A B A B B A A B...
Page 15: ...41316401TH Rev 9 15 Oki Data CONFIDENTIAL Top Cover Assy Figure 2 2...
Page 16: ...41316401TH Rev 9 16 Oki Data CONFIDENTIAL Printer Unit 1 2 Figure 2 3 A A...
Page 17: ...41316401TH Rev 9 17 Oki Data CONFIDENTIAL Printer Unit 2 2 Figure 2 4 45...
Page 18: ...41316401TH Rev 9 18 Oki Data CONFIDENTIAL Cassette Guide Assy L R Figure 2 5 A B B A C C C C...
Page 19: ...41316401TH Rev 9 19 Oki Data CONFIDENTIAL Duplex Unit A B D C A B C D E E F G G F Figure 2 6...