User guide
Table Of Contents
- Contents
 - Printer Features
 - Network Basics
 - Printing Basics
 - Print Quality
- Controlling the Quality of Your Prints
 - Solving Print-Quality Problems
- Light Lines or Streaks in One Color
 - Dark Lines, Smudges, or Streaks Through All Colors
 - Repeating Defects
 - Colors Align Incorrectly
 - Incomplete Fusing
 - Image Is Offset
 - Solid Fills Appear Mottled or Blotchy, Blacks Appear Blue
 - Poor Transparency Print Quality
 - All Colors Are Too Light or Too Dark
 - Grays Are Not Neutral
 - Colors Vary Between Computers
 - Colors Do Not Match
 - Printed Colors Do Not Match Monitor Colors
 - PANTONE Colors Do Not Match
 - Color Settings Not Applied
 - Print Area Is Not Centered on the Paper
 
 
 - Maintenance
 - Troubleshooting
 - User Safety
 - Index
 
Phaser® 7760 Color Laser Printer
A-3
Operational Safety
Your printer and supplies were designed and tested to meet strict safety requirements. These 
include safety agency examination, approval, and compliance with established environmental 
standards.
Your attention to the following safety guidelines helps to ensure the continued, safe operation 
of your printer.
Printer Location
Place the printer in a dust-free area within a temperature range of 50° F to 90° F (10° C to 
32° C) and within the following humidity range:
■ Optimal Print Quality: 50% – 70%
■ Operating: 20% – 80%
Printer Clearance
Place the printer in an area where there is adequate space for ventilation, operation, and 
servicing. The recommended minimal spacing is:
Overhead Clearance:
■ 60.96 cm (24.0 in.) above the printer 
Total Height Requirements:
■ Printer: 49.3 cm (19.4 in.)
■ 1500-Sheet Feeder: 36.4 cm (14.3 in.)
■ 2500-Sheet High-Capacity Feeder: 36.4 cm (14.3 in.)
Total Width Requirements:
■ Finisher: 61 cm (24 in.) on the right side of the printer
Other Clearances:
■ 42.5 cm (16.7 in.) in front of the printer
■ 13 cm (5.3 in.) behind the printer
■ 36.8 cm (14.5 in.) on the left side of the printer
■ 5 cm (1.96 in.) on the right side of the printer, without the finisher










