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Timeline for Does laser printing "erase"?

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Jul 21, 2019 at 22:59 comment added Loewian Admittedly without fully understanding the process, it seems to me that there are at least 2 independent reasons why there should be no problem: 1. it doesn't sound like an entire letter ever resides on the drum - rather, just a line of dots and spaces which is then erased before the next line; 2. the letters are presumably in mirror image on the drum, so they would not yet constitute anything more than gibberish.
Jan 31, 2019 at 18:43 comment added shmu It sounds like the powder is held in place on the drum only due to the electric charge. Without electricity, it would disperse. If this is so, then the writing has no permanence in the first place, and cannot be considered writing.
Jan 31, 2019 at 18:31 history edited yO_ CC BY-SA 4.0
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Jan 26, 2019 at 17:00 answer added Al Berko timeline score: -1
Jan 26, 2019 at 16:58 comment added Al Berko Writing (the original) means full letter by letter, not a row of dots by another row. So technically laser printing is a bunch of dots that makes the letters and words only in our imagination, not on the paper! Just like the letters on the computer screen. It is different from press printing that imprints the whole page of letters at once. Therefore the laser printing does not have Keddusha, it's only מראית עין not to desecrate it.
Jan 25, 2019 at 15:49 comment added DanF This is an interesting question. However, perhaps, a brief scientific explanation of how the image is transferred may be useful. My understanding is that the image is "built and fused". Briefly, does the toner place the full image on the drum and then the image is "stamped" on the paper? This is different from an ink-jet printer which prints the image on a pixel basis, so the full image is not there to start.
Jan 25, 2019 at 15:07 comment added yO_ @AlBerko 1) interesting. 2) What do you mean by "not true writing"? What's the difference between writing w/ ink or w/ toner? 3) Indeed there are many sefarm printed by laser...
Jan 25, 2019 at 14:35 comment added Al Berko If it's transferred, why do you call it erased? Deletion or destruction means that the letters are destructed by themselves. BTW laser printing is not true writing and hence is much more lenient. Also, I heard of no Rabbi in Jerusalem to raise this fear.
Jan 25, 2019 at 13:50 history edited yO_ CC BY-SA 4.0
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Jan 25, 2019 at 13:45 history asked yO_ CC BY-SA 4.0