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paper frequently jams 390
print jobs do not print 357
slow printing 360
tray linking does not work 389
troubleshooting, print quality
blank pages 337
crooked print 347
dark print 338
fine lines are not printed
correctly 339
folded or wrinkled paper 340
horizontal light bands 351
light print 343
mottled print and dots 345
paper curl 346
repeating defects 356
skewed print 347
solid black pages 348
text or images cut o 349
toner easily rubs o 350
vertical dark bands 353
vertical dark lines or
streaks 354
vertical dark streaks with print
missing 355
vertical light bands 352
vertical white lines 353
white pages 337
troubleshooting, printer options
cannot detect internal
option 386
troubleshooting, scan
cannot scan to a computer 397
cannot scan to a network
folder 398
jagged image when scanning
from the ADF 401
jagged text when scanning from
the ADF 401
partial copies of documents or
photos 399
poor copy quality 400
scan job was not
successful 401
scanner does not close 402
scanner does not respond 403
vertical dark streaks on output
when scanning from the
ADF 400
troubleshooting, supplies
missing or unresponsive toner
cartridge 387
two‑sided copying 164
U
unable to read flash drive
troubleshooting, print 363
Universal paper size
setting 55
unlinking trays 73
updating firmware
using the control panel 75
using the Embedded Web
Server 76
USB cable 30
USB port 30
enabling 363
using Customer Support 34
using Display Customization 34
using genuine Lexmark parts and
supplies 263
using the ADF
copying 163
using the control panel 13
using the home screen 31
using the scanner glass
copying 163
V
verify print jobs 159
vertical dark bands 353
vertical dark lines on prints 354
vertical dark streaks 355
vertical dark streaks on output
when scanning from the
ADF 400
vertical light bands 352
vertical streaks on prints 354
vertical white lines 353
viewing reports 263
Voice Guidance
activating 37
deactivating 37
speech rate 39
Voice Guidance speech rate
adjusting 39
volatile memory 154
erasing 153
W
white lines 353
white pages 337
wireless network
connecting the printer to 148
Wi‑Fi Protected Setup 149
wireless networking 148
wireless print server
installing 147
Wi‑Fi Direct
configuring 150
enabling 150
printing from a mobile
device 157
Wi‑Fi network
deactivating 151
Wi‑Fi Protected Setup
wireless network 149
working shelf
installing 125
wrinkled paper 340
Index 427