Can you keep using it?
Can you keep using it?
Contact customer support if any of these apply
- !You need printing or copying to resume.
- !The absorber-full condition is present and repair is required.
What to check first
Step-by-step checks
- 1
Escalate
For print or copy use, contact Canon for repair as soon as possible.
Start with the official recovery step before moving on to parts or deeper servicing.
- 2
Safe first step
If you only need to scan, use the panel Stop flow or start the scan from a computer or mobile device.
- 3
Escalate
Stop treating this as a simple consumable refill issue because it is a maintenance-service condition.
Background
What this message usually means
Canon uses support code 5B00 when the ink absorber is full on the TS4000 series. The printer cannot continue printing until the absorber is serviced, while scanning can still be possible in limited cases from the panel or an external device.
Before the message
What users usually notice first
Messages like this often appear after the printer fails one of its normal startup, supply, or paper-path checks and cannot return to ready state cleanly.
Diagnosis
Likely causes
The ink absorber has reached its full condition.
Cleaning and maintenance cycles have filled the absorber over time.
The printer has reached a maintenance limit that blocks printing.
Service
When service or replacement is more likely
- -The TS4000 page is explicit that print and copy use needs absorber replacement and repair.
Avoid wrong turns
Common misreads of this message
- -Treating the message like a confirmed failed part instead of a support clue about which system has stopped the printer.
- -Assuming any supply-related wording means the next step is automatically to buy a cartridge, toner, drum, or printhead.
See also
Related codes in this family
Explore more
More Canon printer families
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Boundary
When to stop troubleshooting and move to support
If the same message returns immediately after one careful recovery attempt or the printer cannot reach ready state, stop there and use the family-specific support path.
Keep browsing
Where to go next
Source notes
Canon's TS4000 5B00 page says the ink absorber is full and the printer cannot print until serviced, while scanning may still be possible in limited cases.
Built from the TS4000-series support-code index and the individual TS4000 pages for the codes below. Canon wording can vary slightly by region, but the meanings are family-level Canon guidance.
Printer error codes can vary a little by firmware, region, and exact model variant. Use this guide as a family-level starting point and stop if the next step would require disassembly or service-mode changes.
Known family variants: TS4020, TS4025, TS4040, TS4050
Last reviewed: 2026-04-12
Reference: Open reference