Power-on sequence (Scanner)
Preconditions
- Initial ink charging is completed.
| No. | Operation details | Errors that may occur during execution | |
|---|---|---|---|
| 1 | Normal power-on | --- | |
| 2 | Initialization at power-on | Turn on the scanner by printer power | |
| Run scanner start-up check | |||
| Initialize the scanner mechanism |
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| 3 | Check the cover. If the cover is open, request closing and wait until it is closed. |
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| 4 | Check paper status | Check whether paper is present or not with the Paper Detect Sensor |
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| Check paper skew at the home side with the Skew Sensor |
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| Check paper skew at the full side with the Skew Sensor |
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| Check whether paper is present or not with the Scanner PE Sensor |
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| 5 | Determine failure of Scanner Paper Feed Flap | No paper detected by Document Feed Sensor | --- |
When there is no paper: the Scanner Paper Feed Flap is driven and opened |
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| Detect movement of the Scanner Paper Feed Flap encoder | |||
The Scanner Paper Feed Flap is driven and closed | |||
| Detect movement of the Scanner Paper Feed Flap encoder | |||
| Determine failure of Scanner Paper Feed Flap | |||
| 6 | Get paper status: Document Feed Sensor | Only judge whether paper is present or not | --- |
| 7 | Scanner mechanism measurement | Measurement is carried out only when the scanner is turned on after a new circuit board is installed | |