Brother printers causing issues with third party inks: Difference between revisions

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User evidence & reports: added mention of this incident on GNU website
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m Edited the link of FSF's comment
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*Users have noticed that Brother's printers do accept third-party toner instead of outright rejection. This leads some to suspect the consequential loss of print quality may be a deliberate act. One user stated:
*Users have noticed that Brother's printers do accept third-party toner instead of outright rejection. This leads some to suspect the consequential loss of print quality may be a deliberate act. One user stated:
<blockquote>''Brother seems to be apparently accepting the ink, but then purposefully making the print quality poorer.''<ref name="hackernews" /></blockquote>
<blockquote>''Brother seems to be apparently accepting the ink, but then purposefully making the print quality poorer.''<ref name="hackernews" /></blockquote>
===Free Software Foundation ===
===Free Software Foundation===
*FSF has listed this incident under the "Installing, deleting or disabling programs" in "Proprietary Back Doors" chapter<ref>{{Cite web |date=2025-12-14 |title=Proprietary Back Doors |url=https://www.gnu.org/proprietary/proprietary-back-doors.html |url-status=live |archive-url=https://web.archive.org/web/20251218062339/https://www.gnu.org/proprietary/proprietary-back-doors.html |archive-date=2025-12-18 |access-date=2025-12-18 |website=GNU Operating System}}</ref>:
*FSF has listed this incident under the "Installing, deleting or disabling programs" in "Proprietary Back Doors" chapter<ref>{{Cite web |date=2025-12-14 |title=Proprietary Back Doors |url=https://www.gnu.org/proprietary/proprietary-back-doors.html#universal |url-status=live |archive-url=https://web.archive.org/web/20251218062339/https://www.gnu.org/proprietary/proprietary-back-doors.html |archive-date=2025-12-18 |access-date=2025-12-18 |website=GNU Operating System}}</ref>:
<blockquote>When connected to the internet, some Brother printers suffer a firmware downgrade that degrades the printing quality when using third-party toner. This proves that these printers have a back door which lets Brother control them.
<blockquote>When connected to the internet, some Brother printers suffer a firmware downgrade that degrades the printing quality when using third-party toner. This proves that these printers have a back door which lets Brother control them.