Canon 1688 Error
What it means
An ink tank is empty or reporting empty. The printer stops to avoid printing without ink. Replacing or, where supported, resetting the reported tank clears it.
Guides that cover this kind of fault
A guide written for 1688 itself is still being checked against the manufacturer's documentation. These cover the same underlying problem and are filed under ink & toner.
- Printer Not Printing After Changing Ink: Causes and FixesRemove any remaining protective tape from the new cartridge and firmly push it down until it clicks into place. If the printer still fails to print,...
- Printer Says Out of Ink But Cartridge Is Full: How to FixA printer showing empty when the cartridge is full usually means the electronic chip is not communicating properly or the internal page counter needs...
- How to Fix a Printer Not Recognizing an Ink CartridgeClean the gold electrical contacts on the cartridge and inside the carriage using a lint-free cloth moistened with isopropyl alcohol. If you are using...
Common questions
What does the 1688 error mean on a Canon printer?
An ink tank is empty or reporting empty. The printer stops to avoid printing without ink. Replacing or, where supported, resetting the reported tank clears it.
Is the 1688 error serious?
Not usually. Codes at this level normally clear once the condition they describe is dealt with, and a printer that carries on working afterwards has nothing further wrong with it.
Different code or problem?
Switch off and unplug a printer before reaching inside it. If a fault involves the power supply or internal electronics, or the machine is under warranty, contact the manufacturer or a qualified technician. Full disclaimer. Brand and code names are trademarks of their owners; PrinterFixUp is independent and unaffiliated.