Ricoh 407245 (SP311HA) Black High Yield Print Toner Cartridge TEAUSDX128GIV30A103 Unlike most USB-serial adapters

Unlike most USB-serial adapters

Huawei P30/P30 Pro

intervals and time settings for your backups

This line noise is a common cause of incremental hardware damage

Micro SD and CF (CompactFlash) memory cards

Ricoh 407245 (SP311HA) Black High Yield Print Toner Cartridge TEAUSDX128GIV30A103 Unlike most USB-serial adaptersLaser printers and copiers not only need toner (ink powder) for printing, but also a drum (comparable with the print head of an inkjet printer). The drum puts the toner in the right place, and afterwards the paper is heated so the toner melts and is attached permanently to the paper. Drums, like all components of a printer, wear and will have to be replaced at some time, although they are fairly durable.