How often should toner cartridges, ink cartridges, and drum units be replaced in printers and copiers, and what signs indicate that it's time for a replacement?

How often should toner cartridges, ink cartridges, and drum units be replaced in printers and copiers, and what signs indicate that it's time for a replacement?
Admin on April 17 2025 at 05:19 PM in Printer and copy machine maintenance
0 Answer(s)
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