Canon BJC-3000 - Manual (Page 321)

321 Troubleshooting - Avoiding Problems
Cancelling ECP
If you are experiencing difficulty, the problem may be solved by cancelling the ECP mode
setting.
To cancel the ECP mode, follow the procedure below.
1
Open the Printer Properties dialogue box and click the Maintenance tab.
2
Click the Custom Setting button.
3
If "Set printer to ECP mode" is checked and enabled, click the checkbox to
disable the ECP mode setting.
4
Click the Send button to send the setting to the printer.
Windows