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Encode Denso QR Bar Code in Software Lab Materials and Setup

Lab Materials and Setup
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The materials you need for this lab are
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Hint By now you should be quite familiar with the different paths used by various versions of Windows to get to the things you are looking for
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A working computer running Windows
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First, take a look at the ports in your CMOS setup utility The time is long since past that knowing how to change I/O and IRQ addresses has been useful, but it s really helpful to know, and the CompTIA A+ exams expect you ll be familiar with the information Step 1 Boot your PC, and go into the CMOS setup utility Find the settings for your USB and parallel ports They ll most likely be under a heading such as Integrated Peripherals (see Figure 22-1)
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434 22: Printers
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Figure 22-1 The Integrated Peripherals CMOS screen
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Warning When making changes to the system resources in both CMOS and Device Manager, be sure to rst write down the current settings If your changes don t work, you can always return them to the original settings that did work
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How many parallel ports do you have ___________________________________________ What resources are the parallel port(s) using _____________________________________ Step 2 Make the following changes in CMOS, and observe any effect on hardware installed on the parallel ports Make sure you have drivers or parallel devices handy, because making changes at the CMOS level can make Windows unhappy! (You might need to reinstall drivers) Parallel Port = I/O Address 378 and IRQ 7 DMA = 3
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Exit CMOS properly, saving your changes Step 3 Reboot your system to the Windows desktop, and access Device Manager in the Control Panel to verify that the resources are assigned Con rm the resources allocated to the parallel port by following these steps: a b c Click the plus sign (+) next to Ports (COM & LPT) Highlight the LPT port in the list, and open Properties Select the Resources tab
Lab Exercise 2202: Examining Types of Printers 435
What are the I/O and IRQ settings for this port ______________________________ d Step 4 a b
Hint If there s no IRQ listed, it may be by design In Device Manager, expand the item called Ports (COM & LPT), and display the properties for ECP Printer Port (LPT1) Click the Settings tab do you see the selection for never using an interrupt Change the selection to Use any interrupt assigned to the port, and verify the resources again as outlined in Step 4
Click OK to close the Properties dialog box Verify the resources again by accessing the list of resources used in Device Manager: From the Device Manager, select View | Resources by type Expand the groups as needed by clicking the plus sign (+) next to the desired resource
Verify all of your settings and close the Device Manager, Control Panel, and My Computer to return to the desktop
S 30 minutes
Lab Exercise 2202: Examining Types of Printers
There s an enormous amount of information on the Internet about printers All of the top printer manufacturers HP, Lexmark, Canon, and so forth have Web sites that can provide insight about modern printers As a PC technician, you ll need to visit these sites for information about your new printers, and to download the most current drivers for those printers
Warning You must have access to the Internet for this exercise If there s no access or the sites are down, refer to 22 of Mike Meyers CompTIA A+ Guide to Managing and Troubleshooting PCs for a review
Learning Objectives
In this lab, you ll compare the features of impact, inkjet, and laser printers using the Internet At the end of this lab, you ll be able to Recognize the key differences between impact, inkjet, and laser printers Identify and visit Web sites on the Internet dedicated to printers and printer troubleshooting
436 22: Printers
Lab Materials and Setup
The materials you need for this lab are
Hint A trip to your local computer store or other retailer with a good selection of printers would be bene cial for a general knowledge of printers
A working computer with Windows A connection to the Internet Access to either an inkjet printer or a laser printer
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