HOW CAN I OPEN THIS CODE IN MY PRINTER, C-FC2B

there is nothing to look for it told you it is past the end of it's life so buy a new unit

Replace MFB board

you cant open codes on the printer. But a model number shure would help

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Code has to do with Multi Function Board. has any one done any work in the rear of the machine. Recommended that you have some one Technician reseat all MFBP board connections check for bent pins if not try having the firmware re-flashed. If not its the board Good 1 Grand will cover it:( Normal reset is power off then on but don't keep doing can get worse damage more boards. Wait 10 sec between off and on.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/normanj_7893313f0751935f

Always include model number, not just make.

Turn OFF the machine and then ON.

The fault in Canon Printer Error Code B200 indicates a defective print head. A print head is a component that directly collects the ink onto the paper from the cartridges, which means it's one of the most critical parts of the printer.
Canon Printer Error Code B200, which can signify a hugely damaging system error, is one of the most feared.

Want to Correct the B200 Canon Printer Error Code?

1. Unplug and leave your printer disconnected for a minimum of 30 minutes.

2. Open your printer's door and you can move the print head so you can reach it.

3. Take off old ink.

4. The complete Canon Printer Error Code B200 solution.

Check this Blog - Canon Printer Error B200

ip3300 will not print
shows erroe code 5c00
Carriage does not move when lid opens
very noisy when attempt to print

According to Kodak, that error just means the cover was open. I noticed when I print a diagnostic sheet that error shows up whenever I change the ink.

move ink tank to right and turn of then turn on, found in another canon printer fix it.