3-4
Confidential
4. SCREW TORQUE LIST
Location of screw
Screw type
Q’ty
Tightening torque
N·m (kgf·cm)
Inner chute ASSY
Taptite bind B M4x12
2
0.8±0.1 (8±1)
Top cover ASSY
Taptite bind B M4x12
3
0.8±0.1 (8±1)
Fuser unit
Taptite pan B M4x14
2
0.8±0.1 (8±1)
LVPS shield plate cover
Screw cup M3x8 (black)
2
0.45±0.05 (4.5±0.5)
Screw pan M4x8
1
0.45±0.05 (4.5±0.5)
Ground harness
Screw pan M4x8
1
0.45±0.05 (4.5±0.5)
Low-voltage power supply PCB ASSY Screw cup M3x8 (black)
2
0.45±0.05 (4.5±0.5)
High-voltage power supply PCB ASSY Screw cup M3x8 (black)
1
0.45±0.05 (4.5±0.5)
Laser unit
Taptite cup S M3x8 SR
4
0.8±0.1 (8±1)
Main PCB FG plate 1
Screw cup M3x8 (black)
2
0.6±0.1 (6±1)
Main PCB ASSY
Screw cup M3x8 (black)
3
0.6±0.1 (6±1)
Front chute ASSY
Taptite bind B M4x12
2
0.8±0.1 (8±1)
Screw pan (S/P washer)
M3x12DB
1
0.5±0.1 (5±1)
Frame L unit
Taptite bind B M4x12 (6a)
(Under bar)
1
0.8±0.1 (8±1)
Taptite cup S M3x6 SR (6b)
(for securing the chute
ground plate)
1
0.5±0.1 (5±1)
Taptite bind B M4x12 (6c)
(for securing the
registration chute)
1
0.8±0.1 (8±1)
Taptite cup S M3x8 SR (6d)
(for securing the laser L FG
plate)
1
0.8±0.1 (8±1)
Taptite bind B M4x12 (7a)
2
0.8±0.1 (8±1)
Taptite cup S M3x8 SR (7b)
2
0.8±0.1 (8±1)
Flat cable guide
Taptite bind B M4x12
1
0.8±0.1 (8±1)
Laser L FG plate
Screw pan (S/P washer)
M3x12DB
1
0.5±0.1 (5±1)
Motor drive sub ASSY
Taptite bind B M4x12
3
0.8±0.1 (8±1)
Taptite cup S M3x8 SR
1
0.8±0.1 (8±1)
Paper feed motor
Screw bind M3x4
3
0.65±0.05 (6.5±0.5)
Lift cam guide
Taptite bind B M4x12
1
0.8±0.1 (8±1)
Main shield plate
Taptite cup S M3x8 SR
1
0.5±0.1 (5±1)
Screw pan (S/P washer)
M3x12DB
1
0.5±0.1 (5±1)
LVPS shield plate
Taptite cup S M3x8 SR
1
0.55±0.05 (5.5±0.5)
Taptite bind B M4x12
1
0.8±0.1 (8±1)
Frame R unit
Taptite cup S M3x6 SR
1
0.5±0.1 (5±1)
Taptite bind B M4x12
2
0.8±0.1 (8±1)
Registration front/rear actuator
holder ASSY
Taptite bind B M3x10
1
0.5±0.1 (5±1)