Can you keep using it?
Can you keep using it?
Contact customer support if any of these apply
- !147C comes back immediately after reseating the supplies.
- !The printer cannot finish startup because the same recognition problem returns every time.
What to check first
Step-by-step checks
- 1
Safe first step
Open the supply area and confirm each installed component is seated correctly.
Start with the official recovery step before moving on to parts or deeper servicing.
- 2
Safe first step
Reseat the affected part carefully and close all covers firmly.
- 3
Safe first step
Restart the printer once after the supply check.
Background
What this message usually means
Canon uses support code 147C when the GX7000 family sees a consumables installation or recognition problem that keeps the printer from proceeding normally. It usually means the installed supply needs to be checked, reseated, or confirmed against the printer's expected setup.
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
A supply is not fully seated or recognized correctly.
The printer was restarted before the supply change completed cleanly.
A related cartridge or tank component is mismatched or still partially latched.
Service
When service or replacement is more likely
- -Repeated installation-state faults after a clean reseat can point to a defective consumable or recognition issue inside the printer.
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
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More Canon printer families
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Boundary
When to stop troubleshooting and move to support
Use the message once to classify the problem, then move to support if the printer still cannot return to ready after the first safe checks.
Keep browsing
Where to go next
Source notes
Canon's GX7000-series support-code list includes 147C in the consumables installation and recognition error family.
Built around Canon GX7000-series support-code guidance. Exact wording, tray names, and supply labels can vary slightly by region and model variant.
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: GX7010, GX7020, GX7040, GX7050, GX7060, GX7090
Last reviewed: 2026-04-12
Reference: Open reference