Canon Printer Error Code 5B00: How to Fix It

Medium 45-90 minutes High Severity Verified June 2026
Error Code
5B00
Brand
Canon
Product Type
printer
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
45-90 minutes
Canon Error Code 5B00 appears when your printer's waste ink absorber pads are full and need replacement. This safety feature prevents ink overflow damage, but requires immediate attention to restore printer functionality.
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Tools You'll Need

How to Fix Error Code 5B00

  1. Power Down and Disconnect

    Always unplug the printer before opening any panels to avoid electrical shock.
  2. Access Service Mode

  3. Perform Temporary Reset

  4. Locate Waste Ink Absorber Pads

    Wear gloves when handling ink-soaked pads to avoid skin staining.
  5. Remove Saturated Pads

    Work over newspaper or plastic sheeting to protect surfaces from ink drips.
  6. Clean the Waste Ink Area

  7. Install New Absorber Pads

  8. Use Service Tool for Permanent Reset

    Only use official Canon service tools to avoid printer damage.
  9. Test Printer Function

Parts You May Need

Waste ink absorber pads
Check Price on Amazon
Canon service tool software
Check Price on Amazon
Waste ink absorber pads
Check Price on Amazon
Canon service tool software
Check Price on Amazon
Waste ink absorber pads
Check Price on Amazon
Canon service tool software
Check Price on Amazon
Waste ink absorber pads
Check Price on Amazon
Canon service tool software
Check Price on Amazon
Waste ink absorber pads
Check Price on Amazon
Canon service tool software
Check Price on Amazon
Waste ink absorber pads
Check Price on Amazon
Canon service tool software
Check Price on Amazon
Waste ink absorber pads
Check Price on Amazon
Canon service tool software
Check Price on Amazon
Waste ink absorber pads
Check Price on Amazon
Canon service tool software
Check Price on Amazon
Waste ink absorber pads
Check Price on Amazon
Canon service tool software
Check Price on Amazon
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When to Call a Professional

Contact Canon service or a qualified printer technician if you're uncomfortable opening the printer, cannot locate the absorber pads, or if the error persists after following all steps. Professional service ensures warranty compliance and proper disposal of waste materials.

Frequently Asked Questions

Can I continue printing with Canon error 5B00?
No, the printer will not function until the waste ink absorber is replaced and counter reset. Attempting to bypass this error can cause permanent damage from ink overflow.
How often do waste ink absorbers need replacement?
Typically every 6,000-20,000 pages depending on your printing habits. Heavy photo printing and frequent head cleaning cycles fill the absorbers faster.
Is it safe to reset the waste ink counter without replacing pads?
No, this creates risk of ink overflow that can permanently damage internal components and void your warranty. Always replace saturated pads when resetting the counter.
Where can I buy replacement waste ink absorber pads?
Purchase genuine Canon waste ink absorbers from authorized dealers, Canon's parts department, or compatible third-party alternatives from printer supply retailers.
Will Canon error 5B00 happen again?
Yes, this is normal maintenance. With proper replacement and reset, the counter starts fresh and the error won't reappear until the new pads reach capacity.