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Printer shown as offline even though it's on

Anonymous
2020-12-30T04:23:36+00:00

Windows 10 Pro 64-bit

Brother printer/scanner, wireless connection

Worked fine until yesterday.  Printer now shows offline, even though it's on. 

Troubleshooting shows it as turned off and can't be turned on.

I can switch it off and then back on.  The printer appears to be able to print.  But a few min later, it will disappears.

The printer appears to be fine on another PC.  The only difference on this PC is that it's just upgraded to 20H2.

I've uninstalled it, reinstalled brother's software and driver.  The printer appeared to work for a few hours and then it fell offline again.

What can I do to troubleshoot?

Thanks

Windows for home | Windows 10 | Devices and drivers

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  1. Anonymous
    2021-01-01T22:50:17+00:00

    Some file or registry may be corrupted, follow these steps to remove all old files.

    1-Stop the spooler service

    -Right-click on Start

    -Click on 'Windows Powershell(Admin)'

    -Type NET STOP SPOOLER then press enter.

    2-Delete all printers.

    -Open the file explorer and go to the folder 'C:\Windows\System32\spool' then delete the folder 'Printers'

    -Go to the folder 'C:\Windows\System32\spool\drivers' then delete the folder 'W32x86'

    3- Remove the printer on the registry

    -Right-click on Start

    -Click on 'Run'

    -Type regedit then press ok

    -Go to the folder HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Print\Monitors

    -Keep only the folders (Local Port, Standard TCP, USB Monitor) and delete all others

    --Go to the folder HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum

    -Delete the folder 'LPTENUM'

    4-Close the registry editor and reboot.

    5-Download the latest version of the driver and reinstall the printer

    5 people found this answer helpful.
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  2. Anonymous
    2020-12-31T07:37:38+00:00

    Hi, I'm Robinson, an Independent Advisor and a Windows user like you.

    Here are some settings that you need to check.

    You are connected to a private or public network?

    1-Right click on the network icon and click on "Open Network & Internet settings"

    2-Click on properties and set the Private option.

    The communication port can be blocked by third-party antivirus or the Windows firewall.

    Disable the third-party antivirus and test the printer.

    Disable the Windows firewall.

    1-Click on the Start

    2-Type Firewall and click on the "Windows defender firewall"

    3-Then click on the "Turn Windows Defender Firewall on or off" and disabled it

    Let me know the result of the test.

    5 people found this answer helpful.
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  3. Anonymous
    2020-12-30T04:59:06+00:00

    My name is Ru. I'm an Independent Advisor and I'll be glad to help you today.

    Please refer to the following article to troubleshoot offline printers. Follow every step given in the troubleshooting guide.

    https://support.microsoft.com/en-us/windows/tro...

    Also, make sure you have turned off any of the sleep/hibernation settings within the printer as well.

    5 people found this answer helpful.
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  4. Anonymous
    2020-12-30T21:33:18+00:00

    both sfc and DISM checks have been done and no issue is reported.

    Why is chkdsk is relevant ?

    Thanks

    4 people found this answer helpful.
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  5. Anonymous
    2020-12-30T12:10:37+00:00

    Have you looked in Device Manager?

    What do you?  Device Manager does not list printer, only printer queues.  The queue for that printer is there.  The scanner device is listed under Imaging device.  There is no device with question mark.  Am I missing something?

    3 people found this answer helpful.
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