Lexmark T642 Technical Reference page 3

• The safety features of some parts may not always be obvious. Lexmark is not responsible for the use of other replacement parts.
• Your product uses a laser.
• CAUTION: Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous
radiation exposure.
• Your product uses a printing process that heats the print media, and the heat may cause the media to release emissions. You must
understand the section in your operating instructions that discusses the guidelines for selecting print media to avoid the possibility of
harmful emissions.