Note: See the wiring diagram at back of book.
These values were measured with all connections made (plugged) or with only one connector at a time unplugged to expose the pins. Always disconnect and connect with the printer power off. Otherwise, the values below may not match.
Connector | Pin # | Value | Value | Comments |
|
| cable plugged | cable unplugged |
|
|
|
| (if different) |
|
|
|
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|
J4 | 1 | Ground |
| Cartridge |
|
|
|
| (The front access door must be closed.) |
| 2 | 1.7 V dc |
| |
|
|
| ||
|
|
|
|
|
| 3, 4 | 3.3 V dc |
|
|
|
|
|
|
|
J5 | 1, 3, 5, 6 | 3.3 V dc |
| Operator panel |
|
|
|
|
|
| 2 | 5.0 V dc |
|
|
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|
|
|
|
| 4, 7 | Ground |
|
|
|
|
|
|
|
J100 | 1 | > 0 V dc | 5 V dc | Printhead |
|
|
|
|
|
| 2, 3 | 5 V dc |
|
|
|
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|
|
|
| 4, 5, 6, 7 | Ground |
|
|
|
|
|
|
|
J7 | 1 | 5 V dc (door closed) |
| Open door sensor |
|
|
|
|
|
|
| 0 V dc (door open) |
|
|
|
|
|
|
|
| 2 | 5 V dc |
|
|
|
|
|
|
|
| 3 | Ground |
|
|
|
|
|
|
|
J8 | 1, 10 | 5 V dc |
| LSU |
|
|
|
|
|
| 9 | 2.9 V dc |
|
|
|
|
|
|
|
J9 | 1 | 24 V dc | 0 V dc | Cooling fan |
|
|
|
|
|
| 2 | 24 V dc |
|
|
|
|
|
|
|
J10 | 1 | 24 V dc | 24 V dc | Duplex solenoid |
|
|
|
|
|
| 2 | 24 V dc | 0 V dc |
|
|
|
|
|
|
J11 | 1 |
| 5 V dc | Narrow media sensor |
|
|
|
|
|
| 2 | 5 V dc | 5 V dc |
|
|
|
|
|
|
| 3 | Ground |
|
|
|
|
|
|
|
J12 | 1 | 5 V dc |
| Thermistor |
|
|
|
|
|
| 2 | Ground |
|
|
|
|
|
|
|
J13 | 1 | 0.6 V dc |
| Toner level sensor |
|
|
|
|
|
| 2 | Ground |
|
|
|
|
|
|
|
| 3 | 0 V dc |
|
|
|
|
|
|
|
J14 | 1 | > 0 V dc | 5 V dc | Fuser exit sensor |
|
|
|
|
|
| 2 | 5 V dc |
|
|
|
|
|
|
|
| 3 | Ground |
|
|
|
|
|
|
|
J17 | 1, 4 | 0.1 V dc | 5 V dc | Main gear drive motor |
|
|
|
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| 2, 3, 6 | 5 V dc |
|
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|
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| 5 | Ground |
|
|
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|
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| 7, 8, 9 | 24 V dc |
|
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|
J19 |
|
|
| USB port |
|
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