confidential and other held
documents do not print 138
envelope seals when
printing 144
incorrect margins 124
jammed pages are not
reprinted 147
job prints from the wrong
tray 137
job prints on the wrong
paper 137
paper frequently jams 147
print jobs do not print 134
slow printing 135
troubleshooting, print quality
blank pages 121
crooked print 128
dark print 121
ghost images appear on
prints 123
gray or colored
background 124
horizontal dark lines 130
horizontal white lines 132
light print 125
missing colors 127
mottled print and dots 127
paper curl 145
repeating print defects 134
skewed print 128
solid color or black images 128
text or images cut o 129
toner easily rubs o 129
uneven print density 130
vertical dark lines or streaks
appear on prints 131
vertical white lines 133
white pages 121
U
unable to read flash drive
troubleshooting, print 140
uneven print density 130
Unformatted
flash
detected 143
Universal paper size
setting 17
unlinking trays 22
updating firmware 168
USB cable 9
USB port 9
enabling 140
using Display Customization 13
using the control panel 10
using the home screen 12
V
verify print jobs 30
vertical dark lines on prints 131
vertical white lines 133
viewing reports 82
volatile memory 80
erasing 79
W
waste toner bottle
ordering 88
replacing 98
wireless network
connecting the printer to 83
Wi‑Fi Protected Setup 83
wireless networking 83
Wi‑Fi Direct
configuring
84
enabling 85
printing from a mobile
device 28
Wi‑Fi network
deactivating 86
Wi‑Fi Protected Setup
wireless network 83
Index 182
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