Tag: CRUM

s3cc921 chip resetter — what it does and when to use it s3cc921 chip resetter is a practical way to bring cartridges and small device modules back to life when page counters or region flags cause the printer (or another host device) to stop working even though the consumable has been refilled. The S3CC921 controller is used in a range of cartridges and small modules; it stores identification data (CRUM/serial), region info, counters, and status flags. This guide explains what can (and cannot) be reset, how to use a resetter correctly, the limits you should expect, and safe troubleshooting if the tool won’t detect your chip. How the S3CC921 stores data (know your boundaries) Two zones of memory: Programmable area — typically includes toner/page counters and region label....