Brother International HL 1240 Service Manual - Page 187

CPU Runtime Error - drum error

Page 187 highlights

INDEX 3 3 patterns print mode 6-46 4 4% density pattern print mode 6-46 A AC cord 4-3 AC inlet ASSY 4-27 AC power inlet 1-3 address error 6-22 Advanced Photoscale Technology 1-2 Alarm LED 2-14 all black 6-27 APT 1-2 ASIC 3-5 B bar code 1-2 base plate 4-25 BD failure 6-20 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 BUS error 6-22 C cassette cover film 4-5 cassette pressure roller 3-17, 4-6 circumference A-3 cleaner 3-21 cleaner spring 4-22 cleaning 5-5 completely blank 6-26 component 2-2 condensation 6-1 connection diagram A-16 - 17 INDEX consumable parts 5-1, 6-1 continuous grid pattern print mode ......... 6-46 control panel 1-3, 1-5, 2-13 control panel button 2-15 corona wire 3-17, 3-21 COVER OPEN 6-6 cover sensor 3-20 CPU 1-4 CPU Runtime Error 6-5, 6-22 creases 6-12 curl 6-13 D dark 6-25 Data LED 2-14 demo printer 6-45 development roller 3-17, 3-23 diameter A-3 dimensions 1-5 dirt on the back of paper 6-28 disassembly flow 4-2 double feeding 6-12 downward fogging of solid black 6-38 DRAM 3-9 D-RAM Error 6-5, 6-7, 6-22 drive unit 4-15 drum counter A-5 Drum LED 2-14 drum unit 4-3 cleaning 5-5, 6-35 ground contact 6-41 life 1-4, 5-1, A-6 E economy mode 1-2 EEPROM 3-12 effective printing area 1-8 eject pinch rollers 4-24 eject sensor lever 3-17, 3-20 electrical terminal cleaning 5-6 emulation 1-2, 1-4 engine interface 3-14 engine PCB 3-14, 3-18, 4-29 circuit diagram A-25 i

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INDEX
i
INDEX
3
3 patterns print mode
..............................
6-46
4
4% density pattern print mode
.................
6-46
A
AC cord
.....................................................
4-3
AC inlet ASSY
.........................................
4-27
AC power inlet
...........................................
1-3
address error
...........................................
6-22
Advanced Photoscale Technology
............
1-2
Alarm LED
...............................................
2-14
all black
....................................................
6-27
APT
............................................................
1-2
ASIC
..........................................................
3-5
B
bar code
....................................................
1-2
base plate
................................................
4-25
BD failure
.................................................
6-20
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
BUS error
................................................
6-22
C
cassette cover film
.....................................
4-5
cassette pressure roller
..................
3-17, 4-6
circumference
...........................................
A-3
cleaner
.....................................................
3-21
cleaner spring
..........................................
4-22
cleaning
.....................................................
5-5
completely blank
......................................
6-26
component
.................................................
2-2
condensation
.............................................
6-1
connection diagram
.........................
A-16 - 17
consumable parts
..............................
5-1, 6-1
continuous grid pattern print mode
.........
6-46
control panel
.............................
1-3, 1-5, 2-13
control panel button
................................
2-15
corona wire
....................................
3-17, 3-21
COVER OPEN
..........................................
6-6
cover sensor
...........................................
3-20
CPU
..........................................................
1-4
CPU Runtime Error
..........................
6-5, 6-22
creases
...................................................
6-12
curl
..........................................................
6-13
D
dark
.........................................................
6-25
Data LED
................................................
2-14
demo printer
............................................
6-45
development roller
.........................
3-17, 3-23
diameter
....................................................
A-3
dimensions
................................................
1-5
dirt on the back of paper
.........................
6-28
disassembly
flow
........................................................
4-2
double feeding
........................................
6-12
downward fogging of solid black
.............
6-38
DRAM
.......................................................
3-9
D-RAM Error
.............................
6-5, 6-7, 6-22
drive unit
.................................................
4-15
drum counter
.............................................
A-5
Drum LED
...............................................
2-14
drum unit
...................................................
4-3
cleaning
........................................
5-5, 6-35
ground contact
....................................
6-41
life
............................................
1-4, 5-1, A-6
E
economy mode
.........................................
1-2
EEPROM
................................................
3-12
effective printing area
...............................
1-8
eject pinch rollers
....................................
4-24
eject sensor lever
...........................
3-17, 3-20
electrical terminal
cleaning
.................................................
5-6
emulation
...........................................
1-2, 1-4
engine interface
......................................
3-14
engine PCB
...........................
3-14, 3-18, 4-29
circuit diagram
.....................................
A-25