P10503 – Flat Plate Xerography
Detailed Design Review
Amar Mohamed
Ben Nguyen
Dan Prosser
Adam Regula
Steve Snyder
Agenda
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Project Overview
Customer Needs
Engineering Specs
Concept Selection
Test Plan
System Testing Results
Objective Project Evaluation
Conclusions and Considerations
Customer Needs
Engineering Specs
Engineering Specs and Variable Quantities
Red quantities are recommended for good results
Some recommended ranges reference other parameters
using brackets
Subsystem
Parameter
Units
Controllable?
Recommended Range
Charging
Photoreceptor
Velocity
mm/s
Y
80-120 (110) N
Charging
Coronode
Current
μA
Y
-1800 (-1800) N
Charging
Grid Voltage
V
Y
>=-650 (-800) N
Charging
Spacing
mm
Y
1-2 N
Charging
Stray Light
erg
Y
Minimize N
Charging
Temperature
°F
N
N
Charging
Humidity
%RH
N
N
Charging
Photoreceptor
Thickness
μm
N
25 N
Charging
Initial
Photoreceptor
voltage
V
N
-50 N
Charging
Final Voltage
V
Y
~=[6] Y
Charging
Ozone/Nox
Generation
g or ml
N
Minimize Y
* Sample
Subsystem Output?
Concept Selection
Dark enclosure
 White LEDs
 DAQ
 Interface
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Dark Enclosure
White LEDs
Interface
Test Plan
Week 1
Install DAQ
Week 2
Week 3
Week 4
Week 5
Week 6
Week 7
Project Planning And Execution
Documentation of Testing and Results
Week 8
Week 9
Week 10
Week 11
Build Dark
Enclosure
Detailed Design
Project Review
Testing and Refinement (Design Verification)
Charge Station: Measure
Charge
Measure Dark Decay
Expose: Measure light
Intensity
Development: Quality
picture of photoreceptor
Pre-Transfer: Measure
light Intensity
Transfer: Quality picture of
photoreceptor
Expose: Half Mask
Exposure
Exposure: Measure
voltage Drop w/ + w/o
expose
Development : Mass on
Mylar
Pre-Transfer: Measure
Voltage Drop
Transfer: Mass on Paper
Technical Paper
Poster
Poster
Presentation
Project Design File
Individual Participation
Published
Proceedings
Testing Results
Project Evaluation
Project Evaluation
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Conclusions & Considerations
Toner on paper
 Vacuum Platen
 Replace pneumatic lift system with
electronic actuators
 Testing to determine optimal system
parameters
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