Brother DCP-7090 Service Manual page 162

Location of screw
Low-voltage power supply PCB ASSY Screw cup M3x8 (black)
High-voltage power supply PCB ASSY Screw cup M3x8 (black)
Toner box relay PCB ASSY
(For models with toner box)/
MP relay PCB ASSY (For MP models)
Toner box new PCB ASSY
(For models with toner box)
Laser unit
Main PCB FG plate 1
Main PCB ASSY
MP frame parts (For MP models)
Front chute ASSY For manual
feed models
For MP models
Frame L unit
Flat cable guide
Laser L FG plate
Motor drive sub ASSY
Paper feed motor
Toner box drive cover
Toner sensor PCB ASSY
Holder toner box
Lift cam guide
Main shield plate
LVPS shield plate
Frame R unit
Registration front/rear actuator
holder ASSY
Screw type
Taptite bind B M4x12
Taptite bind B M3x8
Taptite cup S M3x8 SR
Screw cup M3x8 (black)
Screw cup M3x8 (black)
Taptite bind B M4x12
Taptite pan B M4x14
Taptite bind B M4x12
Screw pan (S/P washer)
M3x12DB
Taptite bind B M4x12
Taptite bind B M4x12 (11a)
(Under bar)
Taptite cup S M3x6 SR (11b)
(for securing the chute
ground plate)
Taptite bind B M4x12 (11c)
(for securing the
registration chute)
Taptite cup S M3x8 SR (11d)
(for securing the laser L FG plate)
Taptite bind B M4x12 (12a)
Taptite cup S M3x8 SR (12b)
Taptite bind B M4x12
Screw pan (S/P washer)
M3x12DB
Taptite bind B M4x12
Taptite cup S M3x8 SR
Screw bind M3x4
Taptite bind B M4x12
Taptite bind B M3x8
Taptite bind B M4x12
Taptite bind B M4x12
Taptite cup S M3x8 SR
Screw pan (S/P washer)
M3x12DB
Taptite cup S M3x8 SR
Taptite bind B M4x12
Taptite cup S M3x6 SR
Taptite bind B M4x12
Taptite bind B M3x10
3-5
Tightening torque
Q'ty
N·m (kgf·cm)
2 0.45±0.05 (4.5±0.5)
1 0.45±0.05 (4.5±0.5)
1 0.8±0.1 (8±1)
1 0.45±0.05 (4.5±0.5)
4 0.8±0.1 (8±1)
2 0.6±0.1 (6±1)
4 0.6±0.1 (6±1)
3 0.8±0.1 (8±1)
1 0.8±0.1 (8±1)
2 0.8±0.1 (8±1)
1 0.5±0.1 (5±1)
3 0.8±0.1 (8±1)
1 0.8±0.1 (8±1)
1 0.5±0.1 (5±1)
1 0.8±0.1 (8±1)
1 0.8±0.1 (8±1)
2 0.8±0.1 (8±1)
2 0.8±0.1 (8±1)
1 0.8±0.1 (8±1)
1 0.5±0.1 (5±1)
3 0.8±0.1 (8±1)
1 0.8±0.1 (8±1)
3 0.65±0.05 (6.5±0.5)
2 0.8±0.1 (8±1)
1 0.4±0.05 (4±0.5)
3 0.8±0.1 (8±1)
1 0.8±0.1 (8±1)
1 0.5±0.1 (5±1)
1 0.5±0.1 (5±1)
1 0.55±0.05 (5.5±0.5)
1 0.8±0.1 (8±1)
1 0.5±0.1 (5±1)
2 0.8±0.1 (8±1)
1 0.5±0.1 (5±1)
Confidential