envelope seals when
printing 139
incorrect margins 149
jammed pages are not
reprinted 142
job prints from the wrong
tray 172
job prints on the wrong
paper 172
paper frequently jams 141
print jobs do not print 170
slow printing 168
tray linking does not work 140
troubleshooting, print quality
blank pages 142
crooked or skewed print 154
dark print 143
fine lines are not printed
correctly 144
folded or wrinkled paper 145
gray background on prints 146
horizontal light bands 160
light print 149
mottled print and dots 152
paper curl 153
repeating defects 166
solid black pages 155
text or images cut o 157
toner easily rubs o 159
vertical dark bands 161
vertical dark lines or
streaks 164
vertical dark streaks with print
missing 165
vertical light bands 160
vertical white lines 161
white pages 142
troubleshooting, printer options
cannot detect internal
option 137
U
unable to read flash drive
troubleshooting, print 136
Unformatted flash detected 138
Universal paper
configuring 20
unlinking trays 29
updating firmware
flash file 194
USB port 11
enabling 136
using Customer Support 16
using Display Customization 15
using QR Code Generator 16
using the control panel
panel with 2.4‑inch LCD 12
touch‑screen display 13
using the home screen 14
V
verify print jobs 40
printing from a Macintosh
computer 41
printing from Windows 41
vertical dark lines on prints 164
vertical streaks on prints 164
volatile memory 89
W
white lines 161
Wireless menu 67
wireless network
connecting the printer to 91
Wi‑Fi Protected Setup 92
wireless networking 91
Wi‑Fi network
deactivating 92
Wi‑Fi Protected Setup
wireless network 92
wrinkled paper 145
Index 211
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