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Duplo DP-J450 - Master Making and Printing Process

Duplo DP-J450
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10
How Master Making and Printing are Performed
Master Making
In the “master making” process, the old master on the drum is removed while the thermal head
creates the scanned image on the new master and transfers it onto the drum.
Printing
In the “printing” process, paper separated from the stack by the feeder roller and paper separator
unit is pressed against the drum unit by the press roller. There are small holes over only the
image area of the master that is attached to the drum, and ink that seeps from these holes is
transferred to the paper. The paper is then peeled from the master by the paper stripper finger.
The paper is directed onto the paper ejection belt by a fan unit and discharged from the machine.
Master roll
Thermal head
Drum
unit
Master ejection box
Drum unit
Paper stripper finge
r
Press roller
Paper separator unit
Fan unit
Paper ejection bel
t
Feeder roller
Paper
Ink

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