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New Contributor
Posts: 1
Registered: ‎11-14-2020

MF743cdw scanner error- 255,0,0

Hello everyone, I would like to get some help if possible. 

I have already downloaded the scanner patch and it did not work.  

I have Windows 10  home, 64 bit, 

Thank you

Derek

Product Expert
Posts: 93
Registered: ‎04-17-2020

Re: MF743cdw scanner error- 255,0,0

Hi Derek,

 

Welcome to the Canon Forums and thanks for your post!

 

To have a better understanding of your issue, please let everyone some additional information. That way, the community will be able to assist you with suggestions appropriate for your product.

 

1.   Is the printer connected via USB or WiFi?

 

2.   Is the error message in Window 10 or on the MF743Cdw LCD panel?

 

3.  Are you starting the scan on the on the MF743Cdw LCD panel or in Windows using MF ScanGear?

 

4.  If starting the scan from the MF ScanGear, is MF Network Scanner Selector is running in the background?

 

5.  Can you make a copy on the printer?

 

Any other details you'd like to give will only help the Community better understand your issue!

 

If this is a time-sensitive matter, our US-based technical support team is standing by at 1-800-OK-CANON (1-800-652-2666) weekdays between 10 AM and 6:30 PM ET.

New Contributor
Posts: 1
Registered: ‎01-24-2021

Re: MF743cdw scanner error- 255,0,0

I am having the same problem with my MF424dw all in one.

Answers to your question:

1.  USB to router--network

2.  error message is in Windows 10

3.  Windows using Toolbox Utility

4.  Not using MF scangear

5.  I can make a copy of the document so machine is connected and functional.

 

The Toolbox utility was working one moment, then my router went out, and when it came back on, the Toolbox would not work.  Error message 255.0.0.  A window comes up and says there is no scanner connected.  I can scan with the Adobe Tool and with the MS tool, so scanner is connected and working.  But I like the toolbox app more because it gives me the choice of how to save the file:  PDF, JMP, etc. and it allows me to save it in a certain location and name the doc before it saves.  I would love it if we can get it to work again....

New Contributor
Posts: 3
Registered: ‎01-27-2021

Re: MF743cdw scanner error- 255,0,0

[ Edited ]

I am having the same problem

windows 10

using MF scan utility

was working last month just fine

via wifi and printer and computer are both on same wifi network

New Contributor
Posts: 3
Registered: ‎01-27-2021

Re: MF743cdw scanner error- 255,0,0

hey does anyone respond to these questions?

Occasional Contributor
Posts: 5
Registered: ‎03-12-2020

Re: MF743cdw scanner error- 255,0,0

I have same problem. July 2021 went from hardwired network now wireless. Scanning has crapped the bed. Printer says I need to "Connect to Computer" and the UI scan utility FAILS with the 255,0,0 error. The UI utility is useless.
Occasional Contributor
Posts: 5
Registered: ‎03-12-2020

Re: MF743cdw scanner error- 255,0,0

sadly crickets here......abysmal drivers and support from Canon.... REALLY disappointing code and programming in these printers. very poor Windows support obviously.
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