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3
110
Chapter 3 Master Making/Master Feed/Ejection Section
CN10-1
-14
CN8-1
-30
CN16-1
-40
CN15-1
-40
CN1-1
-40
CN9-1
-40
3. Functions of Parts
(1) Thermal Head
№
DD5450
DD5440
1
Picture element density
300dpi (11.81dots/mm) 300dpi (11.81dots/mm)
2
Effective memory width
292.6±0.2mm
260.2±0.2mm
Thermal Head
Circuit
Description
The thermal elements are in alignment in the primary scanning (vertical direction), and are heated
on the image section to make holes on the master film.
Relay PCB unit
Main PCB unit
Specification
2
Summary of Contents for DD 5450
Page 1: ...RICOH DD5450 DD5440 Machine Code C284 C283 Field Service Manual June 2016...
Page 2: ......
Page 15: ...Chapter 1 Dimensions 13 2 Dimensions 2 622 1405 555 228 1080 710 980 688 370 Unit mm...
Page 37: ...35 Chapter 2 Machine Installation 5 Touch OK DATE TIME is set 6 Touch END 1...
Page 170: ......
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