Error 5B00

You reset the ink absorber like that:

1.printer is offline
2.push resume button is red and in the same time push power button
3.do no let resume (red) button,and push the resume button 2 times
4.wait to appears numer zero to the screen
5.them push four times to resume button
6.close the printer and start up

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Canon error e27 ink absorber full/reset process

printer powered off but connected on power source , you must:
1. Press & hold stop/reset button, and then press & hold [ON/OFF] button.
2. When Green power lit, leave stop/reset button & press twice stop/reset (see orange indicator).
3. Leave On/Off button. Printer in actually service mode.
4. Press stop/reset 4 times (see orange indicator) if not blink restart above process from top.
5. After press stop/reset 4 times successful press On/Off button 3 times. printer will off.
6. Press On/Off button.

Canon error e27 ink absorber full/reset process

printer powered off but connected on power source , you must:
1. Press & hold stop/reset button, and then press & hold [ON/OFF] button.
2. When Green power lit, leave stop/reset button & press twice stop/reset (see orange indicator).
3. Leave On/Off button. Printer in actually service mode.
4. Press stop/reset 4 times (see orange indicator) if not blink restart above process from top.
5. After press stop/reset 4 times successful press On/Off button 3 times. printer will off.
6. Press On/Off button.

Hi this works with some canon priters try ir
codes for reset:

1. Press and hold the POWER button
2. Turn off the printer by disconnecting the printer power cable,
3. turn on the printer, still holding the POWER button
The indicator (L.E.D.) should be green.
4. Press and release the RESUME button , the indicator (L.E.D.) should be orange.
5. Press and release the RESUME button again, the indicator (L.E.D.) should be green.
6. Release both buttons.
7. Reconnect the printer cable.
8. And it should be reset.
All best: Pineworks

E27 = Waste ink absorber full or platen waste ink absorber full
Reset Your printer.
Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} Turn off the printer ( "Power" button).
Hold the button "Resume" (red circle in the triangle), add a printer (click "Power") - an indicator light green.
Hold the "Power" button, release the button "Resume".
Not releasing the "Power" button, double click "Resume" and release both buttons.
Four times click "Resume"
Once you click "Power", to confirm the selected action (reset counter absorber). To disable the printer "Power" button to click again.