light print 238
missing colors 240
mottled print and dots 241
paper curl 242
solid color or black images 244
text or images cut o 245
toner easily rubs o 246
uneven print density 247
vertical dark lines appear on
prints 249
vertical white lines 251
white pages 233
troubleshooting, printer options
cannot detect internal
option 272
troubleshooting, scan
cannot scan to a computer 282
cannot scan to a network
folder 283
Trusted Platform Module 52
installing 63
two‑sided copying 81
U
unable to read
flash
drive
troubleshooting, print 259
uneven print density 247
Universal paper size
setting 43
unlinking trays 49
updating firmware 51
USB port 21
enabling 260
using Customer Support 25
using Display Customization 24
using the ADF
copying 80
using the control panel 10
using the home screen 22
using the scanner glass
copying 80
V
verify print jobs 77
vertical dark lines on prints 249
vertical dark streaks
when scanning from the
ADF 285
vertical white lines 251
viewing reports 179
Voice Guidance
activating 27
deactivating 27
speech rate 29
Voice Guidance speech rate
adjusting 29
volatile memory 73
erasing 72
W
waste toner bottle
ordering 179
replacing 191
white pages 233
wireless network
connecting the printer to 69
Wi‑Fi Protected Setup 69
wireless networking 69
wireless print server 52
installing 61
Wi‑Fi Direct
configuring 70
enabling 70
printing from a mobile
device 76
Wi‑Fi network
deactivating 71
Wi‑Fi Protected Setup
wireless network 69
Index 313