17
Chap.1 v Mechanism
The machine carries out the processes of “platemaking” and “printing.”
Platemaking
In the “platemaking” 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 paper feed roller and
the 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 and the top blow fan. The paper is directed onto
the paper ejection belt by a fan unit and discharged from the machine.
vMechanism
Paper
Feeder roller
Drum unit
Ink
Paper stripper
finger
Press roller
Paper separator unit
Fan unit
Paper ejection belt
Top blow fan
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