hp_color_laserjet_pro_mfp_m283cdw
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hp_color_laserjet_pro_mfp_m283cdw [2021/03/09 00:47] – created raju | hp_color_laserjet_pro_mfp_m283cdw [2021/03/14 15:48] (current) – raju | ||
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* [[https:// | * [[https:// | ||
* [[https:// | * [[https:// | ||
+ | |||
+ | ==== effect of resolution ==== | ||
+ | * Item: Indian passport | ||
+ | * Output: 19 scanned pages, each scanned page consists of 2 pages in the passport. | ||
+ | |||
+ | < | ||
+ | % du -b passport_dpi_*pdf | ||
+ | 6675192 | ||
+ | 37585496 | ||
+ | </ | ||
+ | |||
+ | < | ||
+ | % python | ||
+ | >>> | ||
+ | 5.6306239580824045 | ||
+ | >>> | ||
+ | >>> | ||
+ | 2.372893583387676 | ||
+ | </ | ||
+ | |||
+ | < | ||
+ | % pdfimages -list passport_dpi_300.pdf | ||
+ | page | ||
+ | -------------------------------------------------------------------------------------------- | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | 10 9 image 2550 3300 rgb | ||
+ | 11 10 image 2550 3300 rgb | ||
+ | 12 11 image 2550 3300 rgb | ||
+ | 13 12 image 2550 3300 rgb | ||
+ | 14 13 image 2550 3300 rgb | ||
+ | 15 14 image 2550 3300 rgb | ||
+ | 16 15 image 2550 3300 rgb | ||
+ | 17 16 image 2550 3300 rgb | ||
+ | 18 17 image 2550 3300 rgb | ||
+ | 19 18 image 2550 3300 rgb | ||
+ | |||
+ | % pdfimages -list passport_dpi_600.pdf | ||
+ | page | ||
+ | -------------------------------------------------------------------------------------------- | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | 10 9 image 5100 6600 rgb | ||
+ | 11 10 image 5100 6600 rgb | ||
+ | 12 11 image 5100 6600 rgb | ||
+ | 13 12 image 5100 6600 rgb | ||
+ | 14 13 image 5100 6600 rgb | ||
+ | 15 14 image 5100 6600 rgb | ||
+ | 16 15 image 5100 6600 rgb | ||
+ | 17 16 image 5100 6600 rgb | ||
+ | 18 17 image 5100 6600 rgb | ||
+ | 19 18 image 5100 6600 rgb | ||
+ | </ | ||
+ | |||
+ | ==== hplip ==== | ||
+ | * https:// | ||
+ |
hp_color_laserjet_pro_mfp_m283cdw.1615250842.txt.gz · Last modified: 2021/03/09 00:47 by raju