Cleaning The Printhead; Replacing The Printhead - Carl Valentin DYNACODE II Quick Reference Manual

Cleaning the Printhead

Printing can cause accumulation of dirt at printhead e.g. by colour particles of transfer ribbon, and therefore it is necessary to
clean the printhead in regular periods depending on operating hours, environmental effects such as dust etc.
CAUTION!
Printhead can be damaged!
⇒
Do not use sharp or hard objects to clean the printhead.
⇒
Do not touch protective glass layer of the printhead.
•
Remove transfer ribbon cassette.
•
Clean printhead surface with special cleaning pen or a cotton swab dipped in pure alcohol.
•
Allow printhead to dry for 2-3 minutes before commissioning the device.

Replacing the Printhead

CAUTION!
The printhead can be damaged by static electricity discharges and impacts!
⇒
Set up direct print module on a grounded, conductive surface.
⇒
Ground your body, e.g. by wearing a grounded wristband.
⇒
Do not touch contacts on the plug connections.
⇒
Do not touch printing line with hard objects or your hands.
Removing the printhead
•
Remove transfer ribbon cassette.
•
Move printhead unit in an appropriate service position.
•
Press printhead support (A) slightly downwards until an Allen key can be inserted in the screws (B).
•
Unscrew screws (B) and remove printhead (C).
•
Remove connection at the rear of the printhead.
Installing the printhead
•
Insert connection assembly to the new printhead.
•
Position printhead in printhead support (A), so the engaging pieces catch in the appropriate holes in the printhead support
(A).
•
Hold printhead holder (A) with a finger slightly on the pressure roll and check the correct position of printhead (C).
•
Screw in screw (B) and tighten it with an Allen key.
•
Insert the transfer ribbon cassette.
•
Enter the resistance value of the new printhead in the menu Service Functions/Heater resistance. The value is indicated on
the type plate of printhead.
•
Start a test print to check printhead position.
English
Dynacode II
75