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1
Introducing the DocuPrint 900/1300
Roll to Fan Fold
Rolls of plain or preprinted stock are printed and fused. The output pacer is
(Plain Paper In)
used to establish the necessary web tension from the radiant fuser to the
registration unit. The web is taken from the registration unit to the perforator/
punch processor which perforates the web to facilitate folding. The output is
then folded and placed in the output conveyor.
Roll to Fan Fold
Unlike the previous configuration, rolls of pinfeed, perforated stock are
(Pinfeed Paper In)
loaded onto the unwinder. The output pacer is used to establish the necessary
web tension from the radiant fuser to the fan folder. The web then feeds into
the fan folder where the output is folded and placed in the output conveyor.
1-8
Output
Pacer
Registration
Unit
Perf/Punch
Fan
Processor
Folder
Output
Pacer
Fan
Folder
DocuPrint 900/1300 User's Guide
The Printing Process
The print engines use the Electron Beam Imaging (EBI) printing process. Its
distinguishing characteristic is that the charged image (known as a latent
image) is directly formed by projecting electrons onto an insulating surface
from a printhead. This electrically driven technique allows for very high-
speed printing on a roll of paper.
The printing process involves the print engine components shown below.
These components are described in more depth in Chapter 2 of this manual.
Toner
Imaging drum
Toner
magnet
Pressure
roller
The printing process involves these following steps:
1. Generate latent image on the imaging drum
2. Apply toner
3. Transfix the image
4. Clean off any excess toner
5. Remove any residual charge
DocuPrint 900/1300 User's Guide
The Printing Process
Print
head
Erase
rod
Scraper
Scraper tray
Hose to
vacuum system
Paper path
1-9
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