Brother 1240 Service Manual page 214

INDEX
electrical terminal
cleaning..................................................5-6
emulation ............................................1-2, 1-6
engine interface .......................................3-17
Engine Interface Error ..................6-5, 6-7, 6-22
engine PCB .......................... 3-18, 3-22, 4-32
circuit diagram ..........................A-27 - A-28
envelope....................................................1-8
environment........................................2-1, 6-1
error message ...........................................6-6
Ethernet cable .........................................2-17
F
face-down................................................1-10
face-up ....................................................1-10
factory default setting ..............................2-18
factory inspection mode .................6-53, 6-54
Factory Reset ..........................................6-52
faint print..................................................6-33
fan motor ........................................3-22, 4-36
faulty registration .....................................6-32
first eject roller ...................... 3-21, 3-24, 4-26
first print.....................................................1-5
fixing heater temperature failure..............6-20
fixing unit ........................................3-21, 4-18
front cover ........................................1-4, 4-11
front registration sensor lever.........3-21, 3-23
fuser failure..............................................6-21
Fuser Malfunction...............................6-5, 6-7
G
general block diagram ...............................3-1
ghost........................................................6-39
gray background......................................6-37
grease ...................................... 4-5, 4-9, 4-17
grid...........................................................3-25
ground contact.........................................6-41
H
halogen heater lamp................................4-21
heat roller.............................. 3-21, 3-28, 4-22
heat roller cleaner....................................4-24
Hex Dump Print .......................................6-52
High Resolution Control.............................1-2
high-voltage power supply.......................3-20
high-voltage power supply PCB .....3-22, 4-31
circuit diagram ..........................A-32 - A-33
hollow print.............................................. 6-37
horizontal lines ........................................ 6-38
HRC .......................................................... 1-2
humidity..................................................... 1-7
I
IEEE1284.................................................. 3-7
image defect ........................................... 6-23
all black ............................................... 6-27
black band........................................... 6-36
black horizontal stripes........................ 6-30
black spots .......................................... 6-36
black vertical streaks........................... 6-29
black vertical streaks
(in a gray background)..................... 6-30
blurred horizontal stripes..................... 6-30
blurred vertical streaks ........................ 6-29
completely blank ................................. 6-26
dark ..................................................... 6-25
dirt on the back of paper ..................... 6-28
downward fogging of solid black ......... 6-38
examples............................................. 6-23
faint print.............................................. 6-33
faulty registration................................. 6-32
ghost ................................................... 6-39
gray background ................................. 6-37
hollow print .......................................... 6-37
horizontal lines .................................... 6-38
image distortion ................................... 6-33
light...................................................... 6-24
light rain............................................... 6-39
poor fixing............................................ 6-32
toner specks........................................ 6-40
troubleshooting.................................... 6-24
white horizontal stripes........................ 6-31
white spots .......................................... 6-34
white vertical streaks........................... 6-31
image distortion....................................... 6-33
incorrect printout ..................................... 6-42
inspection mode...................................... 6-53
installation
drum unit ............................................... 2-5
printer .................................................... 2-3
printer driver .......................................... 2-6
USB driver............................................. 2-7
insufficient output from high-voltage power
supply unit ........................................... 6-20
interface .................................................... 1-6
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