Top 20 Canon ImageCLASS MF4370dn Laser All-in-One Printer Questions & Answers

first of all, download updated driver from and install ( before install, remove old drivers and programs)
and if appears again, change your network cable.

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How can I do canon 2420L update firmware *Bios Mode* error?

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You can download drivers for Canon printers at, if they are still available

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Fax machine operation can be interrupted by DSL lines, however, because the DSL signal is also transmitted through phone wiring. This can result in a loss of data in the fax if steps are not taken to prevent it. Fortunately, this is not a difficult thing to fix.

Items you will need

  • DSL filter
Step 1

Unplug the fax machine from the phone jack.
Step 2

Plug your DSL filter into the phone jack. DSL filters are specifically designed to eliminate interference from the DSL line on your phone line.
Step 3

Plug the fax machine into the phone line jack on the DSL filter. You can now use your fax machine and DSL line at the same time without risk of data loss or interference.

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You may download software and drivers from here.

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contact Canon Customer Care Center at 1-800-828-4040 between the hours of 8:00
A.M. to 8:00 P.M. EST Monday through Friday and 10:00 A.M. to 8:00 P.M. on
Saturday. On-line support for 24 hours is also available at the website.

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It is only some operational problem, Be cool and try again.

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The surest way is to go to control panel, click printer, right click on your printer and cancel the printing or remove the printer cord, remove the power cord and cartridge (optional). And try again.

Good luck.

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I can find no reference to this error but presume your paper is being drawn in then stops so you have to remove the toner to get the paper out.
What can happen on this model is the black plastic clip for the output tray falls off onto the paper and gets drawn into the paper feed area of the machine. it then jams the lifter and consequently stops the paper. Take out the toner and have a good look in the paper feed roller area to see if there is something stopping it.

repost if you still have the problem.

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when you open the copier platen cover, left of the copy glass, there is small narrow glass, which is used when you make copies from ADF. Over that glass is plastic protective sheet. Remove it and clean, also clean the glass. Use glass detergent and after cleaning dry it!

Even the smallest dirt can cause lines!

Hope that helps!

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Here you go!

just choose OS and language.


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If you can't close the cover, that means the toner is not in properly.

Here are the steps. Can you you try them again?

After removing the old cartridge, pull the seal off the new cartridge, Insert the new cartridge so that the protrusion on the right side of the toner cartridge fits into the guide located on the right side of the machine and slide it down parallel into the guide.
Push the toner cartridge to make sure it is properly set in the machine.
Hold the grip on the right front side of the toner cover,
Close the toner cover
Lower the scanning platform
Those are the correct steps. If you can't close toner cover, do not force it to close. Open the cover and make sure the toner cartridge it properly set in the machine.
I haven't seen this quite often. You just need to remove it and follow steps closely and it will work.

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set us letter per difault, the default machines is a4. you can change this setting on your web explorer...

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this is vary harami company u r land murji chod

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First step. Using the glass, no document feeder, make a copy. Does it have the line going through it. If it does you need to replace the toner cartridge. If it doesn't then you have a small piece of dirt on the glass that document feeder uses to scan. It is usually a seperated piece of glass next to the large glass used for manual coping. Just clean that and you should be fine.

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You find free driver in ,install the scanner like that my computer-proprietes-hardware-device manager-mf 4370 update driver.

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