3-18 Service Manual
4023-001
The second segment (bottom line) contains twelve bits. Starting from
the left-most bit, the twelve bits correspond to the following sensors:
1. Tray 1 Full
2. Tray 1 Empty
3. Stapler Home
4. Shift
5. CD Aligning Home
6. Finisher Tray Home
7. Elevator Upper
8. Elevator Lower
9. Elevator Retract
10. Self Priming
11. Paper Hold Retract
12. Paper Hold Home
Mailbox Sensor Tests
1. Enter the Diagnostic mode. See “Diagnostics Mode” on
page 3-1.
2. Select [BASE SENSOR TEST].
3. Select [Mailbox].
– The following message displays:
– Mailbox 000111
01101000100110
The binary number above is split into two segments. The first
segment (top line) contains six bits. Starting from the left-most bit,
the six bits correspond to the following sensors:
1. Bin 1 Empty
2. Bin 7 Empty
3. Bin 6 Empty
4. Bin 5 Empty
5. Bin 4 Empty
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