Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to refill an inkjet printer cartridge [title] Purchase an ink refill kit at an office supply store. [step] Many office supply and discount stores carry this inexpensive kit. ( it usually costs about half the price of an average printer cartridge.

Ending1: ) [title] Insert the printer cartridge into the kit. [step] Make sure that the ink setting is set to " 0 ". Ending2: ) [substeps] These kits provide fill protectors that prevent stains from staining your design. Write down your name and address on the inside of each ink refill kit and include the following things: name of printer " ink cartridge, " " cartridge name, " and " cartridge model number ". Ending3: ) you can also find these kits at online retailers. [title] Gather your kit, a roll of paper towels, and some clear scotch tape together on a large flat working surface, a table or desk. Ending4: ) [title] Load your printer to accommodate several cartridges. [title] Connect the printer to the computer with its remote system located in the camcorder compartment of the inkjet printer.

Answer format: ending1/ending2/ending3/ending4