Lexmark MX310 Service Manual page 495

duplex printing 473
electrophotographic process 478
input tray 471
main drive gearbox 474
MPF 472
other key components 476
POR sequence 471
printer control 471
sensors 475
simplex printing 472
tips
card stock 36
envelopes 37
labels, paper 37
letterhead 38
transparencies 38
toner rubs off 83
toner specks appear on prints 84
Too many flash options installed [58] 139
Too many trays attached [58] 139
tools, required 41
touch screen
buttons, using 218
transparencies
tips 38
troubleshooting
initial check 43
scan/fax/copy symptoms 182
troubleshooting, print quality
840.xx service check 179
ADF cover open service check 124
ADF duplex failure service check 188
ADF feed errors service check 187
ADF paper jam service check 121
ADF streak service check 187
black or blank page copy service check 183
blank pages 49
CCD service check 184
clipped pages or images 79
compressed images appear on prints 81
fax reception service check 191
fax transmission service check 192
fine lines are not printed correctly 78
flatbed home position service check 185
flatbed motor service check 184
folded or wrinkled paper 61
gray background on prints 46
horizontal light bands 69
incorrect margins on prints 82
modem/fax card service check 189
paper curl 59
print is too dark 55
print is too light 57
repeating defects 65
skewed print 66
solid black pages 62
streaked vertical lines appear on prints 68
toner rubs off 83
toner specks appear on prints 84
vertical dark bands 72
vertical dark streaks with print missing 73
vertical light bands 71
white streaks and voided areas 75
troubleshooting, service checks
network service check 211
U
unacceptable paper 34
understanding the home screen 217
Unformatted flash detected [53] 140
Unsupported USB hub, please remove 127
updating the printer firmware
using a flash drive 260
using a network computer 260
USB port 410
using the touch‑screen buttons 218
V
vertical dark bands 72
vertical dark streaks with print missing 73
vertical mount contact connector 269
W
white streaks and voided areas 75
Z
zero insertion force (ZIF) connectors 262
Index
495
7015