Lexmark MS821

mailbox rollers 746
mailbox sensors 746
output expander paper path 744
printer paper path 742
printer sensors 743
SHPF rollers 748
SHPF sensors 748
lubrication
guidelines 763
M
mailbox
diverter drive 898
transport and exit drive 899
mailbox locations 746
mailbox theory
paper path 896
paper path sensors 897
main drive 868
menus
Configuration Menu 386
moving the printer 856
MPF
pick drive 873
N
network SE menu
accessing 389
noise emission levels 857
notices 855, 856, 857
O
optional output expander 516
options
Optional bins supported 859
Optional trays supported 859
output device diagnostics
sensor tests 386
output expander
diverter drive 892
paper path rollers 744
transport drive 893
output expander theory
paper path 891
output expander top cover 516, 545
P
paper curl 54
paper jams
avoiding 78
location 80
parts catalog legend 766
power button light
understanding the status 378
preventive maintenance 762
print cycle 861
charge 861
clean 861
develop 861
expose 861
flowchart 861
fuser 861
transfer 861
print is too dark 50
print is too light 52
print quality
initial check 44
print quality troubleshooting
clipped pages or images 72
compressed images appear on prints 73
fine lines are not printed correctly 71
folded or wrinkled paper 56
gray background on prints 45
horizontal light bands 64
incorrect margins on prints 74
paper curl 54
print is too dark 50
print is too light 52
printer is printing blank pages 47
printer is printing solid black pages 57
repeating defects appear on prints 59
skewed print 60
streaked vertical lines appear on prints 62
toner rubs o 75
toner specks appear on prints 76
vertical dark bands 66
vertical dark streaks with print missing 67
vertical light bands 65
white streaks and voided areas 68
printer
basic model 739
duplex path upper redrive drive 879
duplex transport drive 881
exit path upper redrive drive 879
fully configured 739
fuser drive 876
lower transport drive 874
main drive 875
minimum clearances 856
paper path rollers 742, 870
paper path sensors 871
selecting a location 856
tray pick and lift drive 872
4064
Index
929