Identifying printhead Problems
The printhead wears with printer use. If the print quality does not improve after cleaning, the
printhead may require replacement. Printing with worn damaged print elements may create
unreadable bar codes. printhead damage can be caused by improper cleaning (unapproved fluids or
implements), electro static discharge (ESD), and touching the printhead (contaminates, ESD and
body oil acids). The following are examples of printhead wear or damage.
8 980428-001 Rev. A
Weak or Damaged Print Elements
(Full-On Print Pattern)
Weak or Damaged Print Elements or Print Logic
(Rotating Print Element Pattern)
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