light print 133
mottled print and dots 135
paper curl 136
repeating defects 138
solid black pages 139
text or images cut o 141
toner easily rubs o 142
vertical dark bands 143
vertical dark lines or
streaks 145
vertical dark streaks with print
missing 146
vertical light bands 147
vertical white lines 147
troubleshooting, printer options
cannot detect internal
option 118
internal solutions port 120
U
unable to read flash drive
troubleshooting, print 117
Unformatted flash detected 121
Universal paper size
setting 24
unlinking trays 27
updating firmware
flash file 168
USB port 12
enabling 117
using
genuine Lexmark parts 89
genuine Lexmark supplies 89
using Customer Support 17
using Display Customization 16
using QR Code Generator 17
using the home screen 15
V
verify print jobs 34
printing from a Macintosh
computer 34
printing from Windows 34
vertical dark lines on prints 145
vertical streaks on prints 145
virtual keyboard
using 23
Voice Guidance
activating 22
speech rate 23
Voice Guidance speech rate
adjusting 23
volatile memory 84
erasing 83
W
white lines 147
white pages 125
Wireless menu 61
wireless network
connecting the printer to 86
Wi‑Fi Protected Setup 87
wireless networking 86
Wi‑Fi network
deactivating 88
Wi‑Fi Protected Setup
wireless network 87
wrinkled paper 129
Index 183