“A guy walks into a bar…”  is a typical form of what has been called the “bar joke.” An inkjet cartridge version is:
     
“An inkjet cartridge walks into a bar. The bartender asks, ‘Are you sure you don’t need a refill?’”
   
The joke was posted on Twitter by Paul Tagent on May 24, 2010.
 
     
Twitter
Paul Tagent
@bathmarketing
An inkjet cartridge walks into a bar. The bartender asks, “Are you sure you don’t need a refill?”
2:09 AM · May 24, 2010·Hootsuite
 
Twitter
D.A.R.
@groundsel
Replying to @kimmchi
@kimmchi So An inkjet cartridge walks into a bar. The bartender asks, “Are you sure you don’t need a refill?”
1:41 PM · Jun 4, 2010·Echofon
 
Twitter
michaelp
@mpbullship
An inkjet cartridge walks into a bar. The bartender asks, “Are you sure you don’t need a refill?”
12:06 PM · Jun 5, 2010·Twitter Web Client
 
Twitter
Paul
@forces2
An inkjet cartridge walks into a bar. The bartender asks, “Are you sure you don’t need a refill?”
11:30 PM · Jun 5, 2010·Twitter Web Client
     
Twitter
Steve
@behindallbars
An inkjet cartridge walks into a bar ... bartender asks “Do you need a refill?”  #bartending
7:51 AM · Jan 8, 2013·TweetDeck
 
Twitter
Bushman™
@Obi_kenya001
An inkjet cartridge walks into a bar. The bartender asks, “Are you sure you don’t need a refill?”
10:19 AM · May 14, 2020·Twitter for Android