MG2551S

Cartridge not recognised

Make sure all of the tabs have been removed from the cartridge. This includes the one which covers the printhead.
If tabs have been removed, perform the usual troubleshooting:
Wipe the chip with a dry cloth.
Unplug the printer and wait for 10 minutes.
Re-install the cartridge.
If the error still shows, try removing and re-installing the cartridge 1-2 times.

Cartridge missing or damaged

Remove the faulty cartridge from the printer.
Make sure all the packaging clips and blue tape covering the copper part of the cartridge has been removed from the cartridge.
Clean the contacts with a dry cloth or tissue.
Pull the power cable out the back of the printer and leave the printer off for 15 minutes.

Low/Empty Ink

Resolution 1

Printer is not allowing printing as it believes the cartridge to be out of ink

Resolution

Please press and hold the printers Stop button (or power/start button depending on what the error message says) until the error message disappears from the screen (Usually 5-10 seconds). Sometimes this will need to be repeated twice.
Note: This has to be done whilst the error message is on screen.

STOP button

This will disable ink level indicator for the mentioned cartridge and the printer would resume printing.
Note: This message will appear ONCE for each cartridge.
The cartridge will NOT need replacing after this is done.
Print quality will have to be used to determine how much ink is left.
Note: Print quality deteriorates quickly when the cartridge is out of ink.

Empty black cartridge error message

Empty colour cartridge error message

Printout to show print quality deterioration

Resolution 2

Printer is not allowing printing as it believes the cartridge has been previously used

Resolution

After the following error message (see below) appears on your screen press the printers Start button once

Previously used / Low ink error

This will clear the error message and allow for printing. However the ink status monitor will be disabled.
Print quality will have to be used to determine how much ink is left.

Note: Print quality deteriorates quickly when the cartridge is out of ink.

Printout to show print quality deterioration

Ink in the cartridge, but not printing

The cartridge may show as empty or produce faded print despite ink remaining.
Printing stops once the cartridge reaches around 30% remaining ink, which is kept as a reserve.
This reserve cannot be accessed and is used to keep the internal sponge moist and protect the printhead.
This is normal behaviour and not a fault.
The cartridge will need to be replaced.

Printing blank pages / fading on print

Clean the printhead with a piece of damp kitchen tissue (warm water).
If this doesn't work, sit the cartridge printhead on some moist kitchen roll for 20 minutes.
Make sure the bottom of the cartridge (where the ink comes out of) is touching the kitchen roll.

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