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


Links:
  • 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

Comments

Unknown said…
One thing for sure with Canon printers, alternating orange/green flashes indicate a service code, as opposed to a consumer code.96
George 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

How to fix error B200 on canon Printers

MAJ11/06/17 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 unit Check 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 printer Push the whole print head mechanic to the center While 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 cartridges Lift up the gr

How to solve error code 006 with Canon Service Tool V3400

MAJ 25/08/17 The Service Tool V3400 allow to reset the counter of some Canon printers. For the error code 006 , try this : Solution 1: Check your cartridges: an empty cartridge can lead to error 006 Solution 2 : After you avec clicked on "Main", wait a few minutes.  If the error still here, restarts the Service Tool Solution 3 : Close the service tool Disconnect the USB cable from the printer After 10 seconds, plug back the cable to the printer On Windows, click next when appears "New device" Open the service tool

How to solve error B204 on Canon Maxify printers

The error B204 could happen after a cartridge replacement. First of all, when installing, remove the cartridges from the plastic package, but do not drill any plastic membranes, as this will cause this error when placing the cartridge. The error may also appear if you change a completely empty cartridge: when installing a full cartridge, the printer enters a cleaning cycle, but the printhead has not yet received ink from the newly inserted cartridge. Here are some tips to cancel this error B204:: Solution 1: Remove the cartridges Power the printer for 2 minutes Switch on the printer Install the cartrdiges Solution 2: Switch on the printer Unplug  the power cable Open the cover Move the print head carriage manually to the usual place where it goes for the cartridge change (If the printhead carriage is not movable, reconnect and then turn on the printer, then unplug it again when the head carriage is in the moving position). Change the cartridges. Close the fr