Use the web to research how to solve the following problems. The first printer youll research is a high-end, color laser printer, the LaserJet Enterprise M750n printer, by Hewlett-Packard (hp.com). Answer these questions about routine maintenance for this printer:

1. What is the average number of pages that prints from one black toner cartridge? From one color toner cartridge? Youll need part numbers when ordering toner cartridges. What are the part numbers of the cartridges?

2. Besides toner cartridges, other replaceable printer parts include the paper tray, the fuser, and the parts used in the transfer portion of the printing process, which come as an assembled unit called a transfer kit. Find and list the part numbers for these items that are compatible with the LaserJet Enterprise M750n:

3. What items are included in the transfer kit assembly?

The next printer is an inkjet printer, the HP DeskJet 1010 printer. Answer these questions: 1. Printouts from your printer contain no black ink but do include the three colors. You know that you replaced the black cartridge recently. Search the HP website, and locate the troubleshooting steps to solve the problem.

2. What is the first thing HP suggests you do when you experience this type of problem?

3. If the ink level is low, HP instructs the user to replace the ink cartridge. What is the last step in replacing the ink cartridge, which might be easy for a user to forget to do?

4. One troubleshooting step that HP suggests is that you clean the cartridge contacts. List the steps to do this on a Windows computer:

5. If the problem isnt fixed, what does HP suggest that you check next?