You can enter Safe Mode in one of the following ways:
• Enable Safe Mode from the Configuration menu, and then POR the printer.
• Press the Stop and Back keys, and then POR the printer.
Return the printer to standard operating mode to service the printer and return to full‑function printing.
Safe mode print behavior
The following table outlines the behavior for this printer model while in Safe Mode:
Safe Mode engine features Engine behavior Control panel behavior
Simplex printing only Will report that no duplexer is installed. Duplex print option will not be
selectable.
Ignore duplex sensor
Ignore bin full sensor Bin full messages will not be reported. Bin full messages will not occur.
Print at narrow media operating
point
Pages will be printed slower. N/A
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 38
• “Faint print (low contrast) check” on page 38
• “Repeating defects check” on page 40
• “Blank pages check” on page 40
• “Solid black pages check” on page 42
• “Vertical lines and bands (process direction) check” on page 44
• “Horizontal white stripes and bands (side to side direction) check” on page 45
• “Vertical stripes (process direction) check” on page 46
• “Horizontal stripes (side to side direction) check” on page 47
• “Partial lack check” on page 48
• “Spots check” on page 49
• “Background (fog) check” on page 51
• “Skew check” on page 52
• “Media damage check” on page 53
• “No fuse check” on page 54
4062
Diagnostic information
37
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