You need to check out these repair ideas when you get Brother error 8220 7a.
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Your personal computer may not be properly connected to the printer. Follow the setup procedure described in the configuration sheet. The interface cable may not be connected correctly. Check both ends of the interface cable between the printer and the computer.
Learn how to fix the “Unable to communicate between printers” error message.
Reason
The printer driver will be installed before upgrading to a powerful computer operating system.
The printer is connected to your computer, otherwise install the printer driver before connecting to the network.
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Open the Windows printer properties screen.
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In the Printer Properties window, select the Ports tab.
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Confirm that the “Enable bidirectional support” checkbox should be checked for the selected driver. If not checked, check the box. If this box is not checked, check it, then click Apply.
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Click OK to close the Print Templates window.
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Try printing again.
If The Enable Bidirectional Support Box Is Grayed Out
How do I fix the communication error on my Canon printer?
Make sure the USB cable is properly connected to the printer and each computer. If you are using a transfer device such as a USB hub, remove it, connect the printer directly to the computer, andtry printing again. If production starts normally, there is a problem with the relay device.
If you still cannot select the checkbox, the driver is probablyprinter is set to the wrong port. Solve the problem of :
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Check the fields in the Port, Description, and Printer columns to make sure the printer is setting the correct port. You may have to scroll the page to see all entries.
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Printers connected to a Canon network must have the port set to CNBJNP and the description set to Canon BJ network port.
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Canon printers connected via USB must have the port set to USBxxx (where “xxx” is a solid string of numbers) and description set to Virtual Printer Port for USB.
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If the printer driver is connected to the wrong port, check the box next to the correct port, and then select Apply.
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Make sure the “Enable Bidirectional Support” box is checked for each selected driver. Not enabled, check the notorious checkbox and then “Apply”.
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Click OK to close the printer properties window.
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Try taking the photo again.
If The Problem Is Not Solved
How do I get my Brother printer out of error mode?
If bidirectional support is possible and you have selected rulesIf the printer is misaligned, but printing is still not possible, be sure to uninstall and reinstall the current printer driver.
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To uninstall the current printer, go to Control Panel > Programs and Features (or Add or Remove Programs in Windows XP).
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Select Canon XXX MP Drivers (where XXX is your name), model and then “Uninstall”.
The driver, XPS printer driver, ScanGear computer (scanner driver) and fax driver will be uninstalled if you uninstall the MP drivers.
If a problem with your product is not resolved quickly after following the steps above, or if you need further assistance, create or record a tree in your Canon account to display additional options. Accessibility Data Array = “1”>
Action You may have run out of ink. Ink replacement is considered the recommended tank. If the light is on, I’d say the ink tank is blinking, you might be out of ink. Click here for a suitable guide for checking the condition of the ink rainwater tank. It is recommended to replace the ink in the tank. Click here for instructions on how to replace the large ink bottle. During printing and you want to continue printing, press the OK button on this machine with the ink tank installed. You can then continue printing. It is recommended to replace this ink tank after printing. The device may be damaged if printing continues even if the ink is poor. Note The printhead is not installed. Install the printhead. Invalid print type. Install the correct printhead. Click here for Get Head installation instructions. If a printhead is already connected, remove it once and then reinsert it. Click here for instructions on reinstalling the printhead. If this error persists, the print head may be damaged. Also, if the issue with your product is not resolved after following the steps above or if you need further assistance, be sure to create or log in to your Canon real account to access the main technical parameters Some ink tanks are not installed. Multiple ink tanks of the same color are installed. Some jet tanks are installed in the wrong position. (The ink light is blinking. Click to learn how to check the status of the ink.) More ink tanks of the same color are installed. (The light behind the ink bottle is blinking. Click here to getinstructions for checking the condition of the equipment. ‘ink.) Make sure the ink tanks are in the correct position. Click here for instructions on installing the recommended ink tanks in the correct location. Just turn off your computer or maybe laptop.Remove and disable all USB connections.After waiting 3-5 minutes.Turn on the computer and connect it to the Epson printer with a USB cable.Often, this restart of the human body causes “Epson Printer Good Communication Error”. Canon Printer Cannot Connect to Wi-Fi Network There are several reasons why there may be problems. To exactly fix the problem, try updating the printer driver. If the problem persists, check for problems with the network groups or, as a last resort, be sure to uninstall and reinstall the printer and additional drivers. Message
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