Instruct: Retrieve semantically similar text.
Query: How to replace an empty ink cartridge<br>Write down the printer brand and model number. You will need to know both in order to find the correct replacement ink cartridges. If you can't find the model number, check the documentation that came with your printer.
When you want to replace an ink cartridge without any more ink, remember to write down the printer name and model number.
The library has a newer printer
The instructions are missing steps.  
There may be some scratches on the product.
This is directions on how to change the oil filter in your car. 
H20 will be needed
Ink stains are common.
The page is written with ink
There is an issue.
You need a device to do this.
Air tanks need to be filled.
Printers are known to malfunction often
Old paint needs to be discarded from the can first.
You may be able to blot out ink stains.
There's still a lot of information not out yet
People need more detailed instructions
Printers malfunction too much
Let the oil set for days before deciding if you should repeat
This is something that you should know how to do.
There is a machine that can be bought
the guages need to be looked at
We do have something remotely like that in this situation.
The ink cartridge will run out quickly from new. 
The ink cartridge will cost more than the printer did. 
The ink cartridge will be expensive. 