Inkjet printer

From DDL Wiki

Revision as of 02:09, 2 February 2007

Sample Project Study

Function
1. To print images in color or black&white or gray-scale on certain sizes of paper
2. To print images on a variety types of paper that have a certain softness level

Inputs/Outputs
Input

  1. Paper
  2. CPU data

Output

  1. Printed paper

Use
1. Place Printer on a flat surface
2. Plug in Parallel port to CPU
3. Plug in Power Cord to outlet
4. Install Printer Drivers
5. Insert Ink
6. Insert material to be printed
7. Upload Image desired from CPU to Printer
8. Remove Printer Image (End Product)

Different User
1. Computer illiterated
2. People who want to print images on special materials that are not bendable
3. Physically Disabled/Elderly

Other Stakeholders
1. Printer/Paper/Ink/Others Manufacturer
2. Providers of Raw Materials
3. Retail Stores
4. Transportation workers

Product Dissection

Parts:
1.
Printer

2.
Lid/Paper Tray 1/ Paper Tray 2/ Input Buttons
Lid: prevents dust, allows ink replacement & paper adjustment
Paper Tray 1: holds pre-printed paper in straight position
Paper Tray 2: holds printed paper
Input Buttons: lets users input basic commands
Design Potential: *none

3.
Rear Cover
Rear Cover: The 6 rollers located on it assist the paper movement inside of the printer
Design Potential: It might be one of the potential location for our rear slot (for CD or other hard materials).
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Print Cartridges
Print Cartridges: These cartridges hold the ink and the jets which place the ink on the paper.
Print Cartridge Slots: The slots which hold the cartridges can be seen in this view. The aqua-colored tabs at the top flip down to secure the cartridges in the slots.
Main Vertical Support: The main vertical support can be seen in this picture. It is a metal plate that is secured between two other supports which are in-turn stamped into the base plate. The support is the metal bar that comes up from the bottom left.
User Input Wires: The white bundle of wires at the right of the picture is the connection to the buttons on the top cover of the printer.
Design Potential: *none

18.
Inside of Top Cover
Print Cartridge Slots: The tabs which hold the print cartridges in can be seen in the locked position here.
User Input Wires: The white bundle of wires which was unplugged in the previous picture can be seen here plugged into the circuit board containing the user interface buttons.
Design Potential: *none

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