Lexmark E250D - E B/W Laser Printer Service Manual page 158

4512-220, -230
models
1-1
comparison
5-1
diagrams
1-2
operator panels
3-1
service menus
1-4
trays available
N
3-5
NPA Mode
O
operator panel
LED–
1-2
overview
2-43
service check
P
4-37
paper exit guide, removal
paper jams
1-7
tips on preventing
parallel port service check
parts catalog
7-2
covers
7-4
electronics
7-6
frame
7-8
options
power-on self test (POST)
2-37
symptoms
3-8
print history
print media
1-7
preventing jams
1-4
trays by model
1-6
types and sizes
3-4
print quality pages
2-46
using
print quality problems
1-7
print media
2-46
service check
2-50
solving
2-38
printer symptom table
printhead
4-40
removal
2-53
service check
3-5
Protocol
R
removals
4-13
controller card
4-15
cover open sensor
covers
4-2
front access cover
4-4
left side cover
4-5
right side cover
4-7
top cover
developer drive coupling assembly
4-21
fan
4-22
fuser
I-2
Lexmark™ E250d and E250dn
2-45
2-2
4-16
4-24
fuser power cable
LVPS/HVPS card assembly
paper exit guide assembly
4-38
paper feed rollers
4-40
printhead
4-1
procedures
4-41
toner level sensor–
4-42
transfer roll
3-4
Reset Factory Defaults
reset maintenance page counter
3-4
Reset PC Counter
S
xi
safety information
6-1
safety inspection guide
sensors
4-15
cover open
2-39
service checks
2-39
controller card
2-40
cooling fan
2-40
cover interlock switch
2-41
dead machine
2-41
fuser
2-42
LVPS/HVPS
2-42
main motor
2-43
operator panel
2-43
paper feed
paper jam during POST
2-44
paper never picks
paper picks but stops
paper picks during POST
paper picks sheets
2-45
paper trees, curls
2-45
parallel port
2-46
print quality
2-47
black page
2-46
blank page
heavy background
2-48
image density
2-49
light print
partial blank image
poor fusing of image
toner on back of page
white or black lines
2-53
printhead
2-53
transfer roll
service error codes
2-23
accessing
2-25
tertiary light patterns
3-1
service menus
1-8
special tools
specifications
1-5
connectivity
1-4
input trays
1-3
memory
1-5
operating systems
4-26
4-37
3-4
2-43
2-44
2-43
2-44
2-47
2-48
2-48
2-49
2-49