Lexmark CX825 Service Manual page 1519

theory, ADF paper path 1461
theory, ADF paper path sensors 1462
theory, flatbed scanner 1460
tips
card stock 43
labels, paper 44
on using envelopes 43
tips on using envelopes 43
tips on using letterhead 44
tools, required 45
transport drive
finisher standard bin 1487
mailbox 1505
tray 1
lift drive 1451
pick drive 1451
troubleshooting
initial check 47
troubleshooting, print quality
blank pages 49
blurred print 72
colored background 55
dark print 52
ghost images 54
gray background 55
horizontal dark lines 58
image banding 73
image void, process direction 75
images cut off 67
light print 59
misaligned color 72
mottled print and dots 62
one color missing 49
random marks 76
skewed print 64
solid black images 66
solid color images 66
text cut off 67
toner easily rubs off 68
uneven print density 69
vertical dark lines 70
vertical dark streaks 70
vertical white lines 71
voids 71
white pages 49
troubleshooting, scan quality
ADF skew 83
dark image 79
media damage (using the ADF) 84
spots 82
vertical lines 81
wavy edge (ADF 2nd scan) 85
troubleshooting, service checks
980–984 service error messages 486
network service check 394
U
understanding the status of the power button and
indicator light 572
uneven print density 69
updating the printer firmware
using a flash drive 591
using a network computer 591
using the control panel 571
using the home screen 572
V
vertical dark lines 70
vertical dark streaks 70
vertical lines 81
vertical white lines 71
voids 71
W
wavy edge (ADF 2nd scan) 85
white pages 49
Index
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7564