Lexmark C720 Service Manual - Page 31

5024-001 1. General Information Your Lexmark TM C720 color laser printer is the ideal printer for presentations, business graphics, line art, and text. The C720 uses laser diode electrophotographic technology to deliver remarkable quality print images and text. The C720 can be used as a shared network or desktop printer. Maintenance Approach The diagnostic information in this manual leads you to the correct field replaceable unit (FRU) or part. Use the error code charts, symptom index, and service checks to determine the symptom and repair the failure. See "Diagnostic Information" on page 2-1, for location of each section. You may find that the removals in the Repair Information chapter will help you identify parts. After you complete the repair, perform tests as needed to verify the repair. Tools Required for Service The removal and adjustment procedures described in this manual require the following tools and equipment: • Analog volt ohmmeter (a digital volt ohmmeter may also be used) • Flat-blade screwdrivers • Needle nose pliers • #1 Phillips screwdriver • #2 Phillips screwdriver • Slotted screwdriver #1 • Slotted clock screwdriver #1 • Tweezers, C-ring pliers When you make voltage readings, always use frame ground unless another ground is specified. General Information 1-1