Skip to main content

How to solve error B300 on Canon printers

Error code B300 concerns these Canon printers: MP7600, IX7000, MX7600...
Sometimes there is a message like "cancel printing, shut down the power and try again. If it doesn't work, call Canon service".

Alarm and power leds blink 8 times. Error B300 is a reactor error: a hardware error in supply of the ractor liquid

Solutions 1:
  • Power off the printer.
  • Disconnect the power cord from the electrical outlet.
  • Hold down the power button and Wait one minute.
  • Reconnect the power cord to the electrical outlet.
  • Switch on the printer.

Solution 2:
  • Power off the printer.
  • Disconnect the power cord from the electrical outlet
  • Wait for ten minutes.
  • Reconnect the power cord to the electrical outlet.
  • Switch on the printer.

Solution 3:
  • Clean the ink cartridges contacts.

Solution 4:
  • Open the printer and wait for the carriage to slide over.
  • Remove the ink cartridges.
  • Clean the print head with cotton swabs dipped in hot water.
  • Once finished, allow to dry the printhead.
  • Replace the cartridges

Solution 5:
  • Replace the valve unit

Solution 6:
  • Replace the sheet feed unit

  • QY6-0066: Printhead Canon for  IX7000, MX7600, MP7600
  • QM3-5358: Sheet feed unit IX7000
  • QM3-1948: Sheet feed unit MX7600
  • QM3-5339: RCT Pump Valve


One thing for sure with Canon printers, alternating orange/green flashes indicate a service code, as opposed to a consumer code.96
Unknown said…
Thank you... solution 1 worked for me. Appreciate the post.
George said…
Thank you... solution 1 worked for me. Appreciate the post.

Popular posts from this blog

Service tool V3400 for resetting Canon printers counter

The Service Tool V3400, and service tool V3600, allow you to reset the waste ink pad counter on some Canon printers: 

You can solve the messages errors "Waste Ink Tank Full" or "Waste Ink Pad Full", "error 5B00" or "Error P07" on these printers:
Canon Pixma iP2700, iP4800, iP4810, iP4840, iP4850, iP4900, iP4910, iP4940, iP4970, iP4980, iP4990, iP5810, iP5880 Canon Pixma MP230, MP240; MP250; MP260; MP270; MP280; MP480; MP490; MP540; MP550; MP560; MP620; MP630; MP640; MP980; MP990; Canon Pixma IX6500, IX6510, IX7000 Canon Pixma IP3600, IP4940 Canon Pixma PRO9000, PRO9500 Canon Pixma MG2120. MG2140, MG2240, MG2250, MG2440, MG3240, MG3140, MG4100, MG4140, MG5140, MG5150, MG5240, MG5340, MG6140, MG6240, MG8140, MG8240 Canon MX397, MX320, MX330, MX370, MX860 etc
Where can you download the Service Tool V3400 ?

It is free here:
There is too a paid version here:
V3400 Canon Service Tool for all iPxxxx series, i…

How to fix error B200 on canon Printers

Error B200 means the printhead voltage or temperature is not normal. The Printhead could be defective.... but first, try these solutions below:

Solution 1:
Disconnect the power cable from the printer.Wait 1 hour.Connect the power cable
Solution 2:
Check and Clean Head contact pin condition of the carriage unitCheck Cable connection especially the carriage FFC
Solution 3:
Turn off the power Open the panel Turn on the power Wait for print carriage to start moving to the left.Let it go past half way Before print carriage reaches left hand side shut the cover. Leave the Printer turned on
Solution 4:
Unplug the power cable.Open the printerPush the whole print head mechanic to the centerWhile the printer still open, plug the power and turn it ON. When the printhead still moving and is going to the very LEFT, close the cover. Wait until its boot up. 
Solution 4a:
Take out all of the ink cartridgesLift up the grey bar by where the ink goesLeft the print head in the middle of the pr…

How to fix error 6C10 on Canon Printers

MAJ 21/12/14
Error 6C10 appears on these Canon printers: MP110,MP550, MP560, MP540, MP600, MP610, MP630, MP800, MP810, MP830, MP970, MP980, MP620, MP640, IP3600, MP990, MG5200, MG5300, MG6100, MG6200, MG8100, MG8200... and others...
It's a "valv cam sensor error".

Solution 1:
Move the printhead to the center.Disconnect the printer and check on the right: is the purge unit ok ? No peace of paper ?
Solution 2:
Do a reset of the printer:Power onHold down the "Resume" button (triangle in a circle)  for 15 to 20 seconds.
Solution 3:
Power off the printer.Open the door.Power on.When the cartridge is in the center, close the door.
Solution 4:
Open the lid and allow the ink cartridge carrier to center itself. Looking to the right, you will see a row of white rollers behind the carrier. At the end of the rollers there is a small, clear piece of plastic that sticks up. Take a small piece of a paper towel and wipe all of the ink off this piece of plastic. When that is clean …