The usual cause of the paper jams in Bubble-jet printers is caused through a worn pick up roller.
What is the other common cause of paper jams in Bubble-jet printers?

A.
Too much ink on the page.

B.
The wrong type of paper

C.
When more than one page enter the system.

D.
None of the above.

Explanation:
Paper jams in bubble-jet printers are usually due to one of two things: a worn pickup roller, or the
wrong type of paper.
Incorrect Answers:
A: If an ink cartridge becomes damaged, or develops a hole, it can put too much ink on the page
and the letters will smear.
C: This happens in laser printer when the pick up roller pick up more than one page.
D: Paper jams in bubble-jet printers are usually due to one of two things: a worn pickup roller, or
the wrong type of paper.Reference:David Groth and Dan Newland, A+ Complete Study Guide
(Second Edition), Sybex, Alameda, CA, 2001, p. 415