Manually cleans and aligns the print head.
While still holding the Stop button, press and hold the Power button. The power LED will light up.
The error code appears because a sponge pad inside the printer has absorbed the maximum amount of ink it can hold (usually around 5-10% of the printer's lifespan). If you run the Service Tool v4718 , you are telling the printer the pad is empty when it is actually saturated. canon service tool v4718 download high quality
Service Tools for Canon Printers | Page 5 - PrinterKnowledge Jul 1, 2559 BE —
Triggers a powerful ink flushing cycle to clear stubborn clogs. Manually cleans and aligns the print head
MG5520, MG5550, MG5650, MG5750, MG6450, MG6650 Pixma IP-Series: iP7220, iP7250, iP8720, iP8750 Pixma IX-Series: iX6750, iX6820, iX6850
Intelligent Verification Downloader Goal: To provide users searching for "Canon Service Tool V4718" with a high-quality, safe, and verified version of the software, reducing the risk of malware (common with service tools) and ensuring the file is the correct version for their printer model. The error code appears because a sponge pad
: The EEPROM chip has been locked or damaged due to using a corrupted tool version or pressing incorrect button sequences.
The universal Canon code indicating a full waste ink absorber.
def verify_file_integrity(file_path, known_good_hash): sha256_hash = hashlib.sha256() with open(file_path, "rb") as f: for byte_block in iter(lambda: f.read(4096), b""): sha256_hash.update(byte_block)