Read Sharp MX-1800N (serv.man13) Service Manual online
MX-1800N EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 14
N. Fuses/Thermostats
35
BOOT ROM PWB
Stores the program to boot the printer controller.
36
PROGRAM ROM PWB
Stores the program.
37
SCN Flash ROM PWB
Stores the scanner control program.
38
HVR PWB
Divides the primary transfer electrode for each color to improve the transfer capability.
No.
Signal name
Name
Specifications
Section
1
HLTS1
Thermostat
Prevents against overheating of the fusing roller.
Fusing unit
2
HLTS2
Thermostat
Prevents against overheating of the fusing roller.
Fusing unit
3
HLTS3
Thermostat
Prevents against overheating of the fusing roller.
Fusing unit
4
F201
Fuse
T6.3AH250V
DC power PWB
5
F202
Fuse T6.3AH250V
DC
power
PWB
6
F203
Fuse
T6.3AH250V
DC power PWB
7
F204
Fuse
T6.3AH250V
DC power PWB
8
F205
Fuse T6.3AH250V
DC
power
PWB
9
F1
Fuse
20A 125V
AC power PWB
10
F2
Fuse
20A 125V
AC power PWB
11
F3
Fuse T2AH250V
AC
power
PWB
12
F4
Fuse
T2AH250V
AC power PWB
13
F1
Fuse
200mA 250V
LCD INV PWB
14
F101
Fuse
125V 12A
DC power PWB
15
F102
Fuse
T1AH250V
DC power PWB
16
F103
Fuse T8AH250V
DC
power
PWB
17
F301
Fuse
T5AH250V
DC power PWB
18
F1
Fuse
1.25A250V
CL invertor PWB
No.
Name
Function/Operation
Note
3
13
9
10
4
5
6
7
8
6
7
8
1
2
12
11
17
15
14
16
18
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