HP 3700 HP Color LaserJet 3550 and 3700 series - User Guide - Page 124

Replacing supplies and parts Carefully follow the guidelines in this section when replacing printer supplies or parts. The transfer unit, fuser, and pickup roller are printer parts designed to last the lifetime of the printer. However, if these parts become damaged, they should be replaced. Locating supplies and parts Supplies and parts are identified by labeling and blue plastic handles. The following figure illustrates the location of each supply item and part. CAUTION Supply item and part locations 1 fuser 2 print cartridges 3 transfer unit 4 pickup roller Supply replacement guidelines To facilitate the replacement of supplies, keep the following guidelines in mind when setting up the printer. ● Sufficient space is required above and in the front of the printer for removing supplies. ● The printer should be located on a flat, sturdy surface. For instructions on installing supplies, see the installation guides provided with each supply item or see more information for the HP Color LaserJet 3550 series printer at http://www.hp.com/support/clj3550 and for the HP Color LaserJet 3700 series printer at http://www.hp.com/support/clj3700. Hewlett-Packard recommends the use of HP products in this printer. Use of nonHP products may cause problems requiring service that is not covered by the HewlettPackard warranty or service agreements. Changing print cartridges When a print cartridge approaches the end of useful life, the control panel displays a message recommending that you order a replacement. The printer can continue to print using the current print cartridge until the control panel displays a message instructing you to replace the cartridge. 112 Chapter 7 Maintenance ENWW