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This is normally done by use of a DIY laser toner refill kit that includes a supply of compatible toner, reset chips where required, and instructions for the process of refilling. There are various types of toner powder, and many DIY toner refill products are available either online from ecommerce suppliers or through specialist retail stores.
A toner cartridge, also called laser toner, is the consumable component of a laser printer. Toner cartridges contain toner powder, a fine, dry mixture of plastic particles, carbon, and black or other coloring agents that make the actual image on the paper.
A HP color laser printer with its cartridge drawer open showing the four toner cartridges inside. Color laser printers use colored toner (dry ink), typically cyan, magenta, yellow, and black . While monochrome printers only use one laser scanner assembly, color printers often have two or more, often one for each of the four colors.
The replacement of the motherboard was a temporary fix, since the fault was inherent in all units of the affected models from the point of manufacture, including the replacement motherboards offered by HP as a free "repair". [160] [161] Since then, several websites have been documenting the issue. [162]
For example, the II and IID models used a roughly 4" square memory expansion board populated with DIP DRAM chips and a two-row header connector (with pins on standard 0.1" centers), while the 4/4M used 72 pin parity memory (and would fail to POST with non-parity memory). For the 4/4M (and the 4 Plus/4M Plus) memory modules of 4, 8, 16 and 32 MB ...
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In a general sense, a lockout chip is a chip within an electronic device to prevent other manufacturers from using a company's device to perform certain functions.. A notable example is the lockout chip found in Nintendo's Nintendo Entertainment System (called 10NES), designed to prevent "unlicensed" manufacturers from creating games for the console. [1]
The Memory Spot chip was an integrated circuit developed by Hewlett-Packard. The chip incorporates a central processing unit, random access memory and a wireless receiver, all bundled together in a device 1.4 or 2 mm 2. [1] Compared to an RFID chip, it is reprogrammable, and provides 1000 times more storage capacity and data transfer rate.