Difference between revisions of "HP Deskjet 600c"

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Revision as of 16:10, 24 March 2007

Bucknell Mechanical Design Home

Contents

Printer Dissection

Figure 1: HP Deskjet 600c Before Disassembly
Figure 2: HP Deskjet 600c Without The Case

Function

This inkjet printer is manufactured by Hewlett Packard, and is used to transpose displayed digital data onto a physical medium.

How It Prints

The computer sends a data stream to the printer through a serial, or usb cable. The control unit inside the printer deciphers the data and instructs the mechanical components to act accordingly. The following is an illustrated outline of the mechanical aspect.


1) Paper is advanced into position by the rubber rollers, which are powered by a stepper motor.

Figure 3: Rubber Rollers That Advance The Paper
Figure 4: The Stepper Motor That Powers the Rollers

















2) Another stepper motor, undocks the printer carriage. The dock is used to secure the carriage, and to keep the printer head clean.

Figure 5: Docking Station For The Carriage
Figure 6: Stepper Motor That Drives The Dock Using A Worm Gear

















3) The printer carriage is operated by a drive belt, which is powered by a third stepper motor.

Figure 7: Belt Drive System
Figure 8: Stepper Motor That Drives The Belt Using A Toothed Pulley

















4) The printer cartridge applies ink onto the paper according to the instructions supplied by the CPU through the copper contacts.

Figure 9: Cartridge To CPU Interface





















Analysis

Parts

The table belows lists the components for the HP Deskjet 600c printer:

Table 1: HP Deskjet 600c Component List
Part # Part Name Category Function Material Picture
1 Paper Tray Structural Component Holds Paper that is to be loaded in place Plastic
DVTray.jpg
2 Printer Housing Structural Component Protects internal components from the environment Plastic
DVHousing.JPG
3 Large Stepper Motor Input Provides motion to the paper feeder mechanism Metal casing, copper wire, magnet, gear
DVLargeStep.JPG
4 Docking Station Motor Input Controls the motion of the docking station Metal casing, copper wire, magnet, gear
DVDockMotor.JPG
5 Printer Cartridge Holder and Rail Output Slides the Printer head along the railing from left to right Plastic housing and metal rail
DVRail.JPG
6 Paper Feed Gears Transmission Takes the input from the feed motor and controls the feeding of the paper One plastic gear and one metal gear
DVGears.JPG
7 CPU and Power Source Input Controls the entire printer and modulates the power input Silicon, lead, copper, resistors, capacitors
DVCPU.JPG
8 Paper Ejector and Advancer Mechanism Motion Conversion Lowers the black bar so paper ejects cleanly, and raises bottom tray Plastic
DVEject.JPG
9 Print Head Motor Input Provides motion to print head Metal case, copper wire, magnet, gear
DVHeadMotor.JPG
10 Docking Station Motion Conversion / Structural Cleans and houses printer head when not printing Plastic
DVDock.JPG

Cool Animated Videos

<embed src="http://www.youtube.com/v/8_iTSznToHU" type="application/x-shockwave-flash" width="425" height="350"></embed>

Animated Printer Carriage


Right-click here and select "Save Link As" to download the video (.avi)

<embed src="http://www.youtube.com/v/iayt04lR08E" type="application/x-shockwave-flash" width="425" height="350"></embed>

Animated Paper Feed Mechanism

Right-click here and select "Save Link As" to download the video (.avi)