You cannot run the tool in normal mode. You must force the printer into .
The (often stylized as ST V3800 ) is a proprietary software utility designed by Canon for authorized service centers. It operates at a lower level than standard printer drivers. Unlike the standard toolbox that allows you to clean print heads or align cartridges, the V3800 tool interacts directly with the printer’s EEPROM (Electrically Erasable Programmable Read-Only Memory).
Canon inkjet printers are reliable workhorses, but they are programmed with built-in safety mechanisms that can halt operations. The most common cause for a sudden shutdown is the full waste ink pad warning, often accompanied by error codes like 5B00 or 1700.
Once in Service Mode, the v3800 software communicates with the printer via a USB connection. Users must select the correct USB port within the tool to execute commands like "Main" ink absorber reset. canon service tool v3800
: The software cannot communicate with the printer firmware.
The software version you are using is modified, corrupt, or does not support your specific printer model.
Connect the printer directly to your Windows PC using a . (Do not use Wi-Fi or a USB hub). You cannot run the tool in normal mode
Using this utility carries an inherent risk of permanently bricking your hardware if executed incorrectly. The "Error 006" Freeze
The software will open and should automatically detect your connected printer. Resetting the Waste Ink Counter Find the section. Next to Absorber , ensure it is set to Main . Click the Set button right next to it.
Your printer must be placed in Service Mode before opening the software. It operates at a lower level than standard printer drivers
Connect your printer to your PC via a (Wi-Fi will not work for this). Open the Service_Tool_v3800.exe . In the "Main" tab, look for the Waste Ink Counter section. Ensure "Main" is selected in the dropdown menu. Click the Set button. A "Function was finished" dialog should appear.
: This happens if the printer is not in Service Mode, or if the USB cable is faulty.