Datamax-O'Neil E-Class Mark III Operator’s Manual - Manual (Page 62)

56 Chapter 5 – Maintenance Adjustments
5 5 5 . . . 5 5 5 P P P r r r i i i n n n t t t h h h e e e a a a d d d R R R e e e p p p l l l a a a c c c e e e m m m e e e n n n t t t
If the Printhead becomes damaged or worn, replace it as follows:

Always follow proper Electro Static Discharge procedures when replacing the printhead.
1) Turn OFF the printer and remove the ribbon if installed.
2) Lower the Ribbon Handler Assembly.
3) Press outward on the two Printhead Carrier Tabs and rotate the Printhead Carrier down.
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 Ribbon Handler
 Printhead Assembly Tabs
 Printhead Carrier
4) Press inward on the two Printhead Shield Tabs and rotate the Printhead Shield down.
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 Printhead Shield Tabs