Safe Mode engine features Engine behavior Control panel behavior
Ignore narrow media sensor Narrow media will print without
restrictions.
N/A
Ignore all input options Will report that only Tray 1 is installed. Only Tray 1 and the MPF will be
selectable.
Ignore all output options Will not report any installed finishing
options.
Finishing options will not be
selectable.
Use large interpage gaps Pages will have large interpage gaps. N/A
Fixing print quality issues
• “Initial print quality check” on page 46
• “Gray background or toner fog check” on page 46
• “Blank pages check” on page 49
• “Print is too dark check” on page 55
• “Print is too light check” on page 57
• “Paper curl check” on page 59
• “Folded or wrinkled paper check” on page 61
• “Solid black pages check” on page 62
• “Repeating defects check” on page 65
• “Skewed print check” on page 66
• “Streaked vertical lines appear on prints check” on page 68
• “Horizontal light bands check” on page 69
• “Vertical light bands check” on page 71
• “Vertical dark bands check” on page 72
• “Vertical dark streaks with print missing check” on page 73
• “White streaks and voided areas check” on page 75
• “Fine lines are not printed correctly (specifically Chinese characters) check” on page 78
• “Clipped pages or images check” on page 79
• “Compressed images appear on prints check” on page 81
• “Incorrect margins on prints check” on page 82
• “Toner rubs o check” on page 83
• “Toner specks appear on prints check” on page 84
7015
Diagnostics and troubleshooting
45