3-4
Confidential
4. SCREW TORQUE LIST
Note:
• For verifying the shape of each screw, refer to "3.SCREW CATALOGUE" in this chapter.
Location of screw Screw type Q'ty
Tightening torque
N.m (kgf.cm)
T1 tray cover Taptite bind B M4x12 2 0.8±0.1(8±1)
Side cover L Taptite bind B M4x12 2 0.8±0.1(8±1)
Side cover R ASSY Taptite bind B M4x12 2 0.8±0.1(8±1)
Main shield cover plate Taptite cup S M3x8 SR 4 0.5±0.1(5±1)
ADF unit Taptite bind B M4x12 2 0.8±0.1(8±1)
Hinge ASSY L Taptite cup S M3x12 3 0.85±0.05(8.5±0.5)
Hinge support R Taptite cup B M3x10 1 0.5±0.05(5±0.5)
Hinge arm R Taptite cup B M3x10 3 0.5±0.05(5±0.5)
ADF separation pad holder Taptite cup B M3x10 1 0.5±0.05(5±0.5)
Upper ADF chute Taptite cup B M3x10 6 0.5±0.05(5±0.5)
Lower ADF chute Taptite cup B M3x10 3 0.5±0.05(5±0.5)
ADF earth harness Taptite cup S M3x8 SR 1 0.7±0.1(7±1)
Drive frame ASSY Taptite cup B M3x10 3 0.5±0.1(5±1)
ADF motor ASSY
Screw pan (S/P washer)
M3x6 DA
1
Legal model :
0.6±0.1(6±1)
1
A4 model :
0.35±0.05(3.5±0.5)
Control panel ASSY
(Touch panel model)
Taptite bind B M4x12 2 0.65±0.05(6.5±0.5)
Touch panel PCB harness
Taptite bind B M4x12
(Machine side)
10.8±0.1(8±1)
Screw pan (S/P washer)
M3x6 DA
(Panel PCB ASSY side)
10.7±0.1(7±1)
Panel PCB ASSY
(Touch panel model)
Screw pan (S/P washer)
M3x6 DA
20.7±0.1(7±1)
Touch panel plate
(Touch panel model)
Taptite cup B M3x10 7 0.5±0.05(5±0.5)
Control panel ASSY
(Non touch panel model)
Taptite bind B M4x12 3 0.65±0.05(6.5±0.5)
Document scanner unit Taptite bind B M4x12 5 0.8±0.1(8±1)
Document scanner top cover ASSY Taptite bind B M4x12 5 0.65±0.05(6.5±0.5)
NCU earth harness
(Low-voltage power supply PCB
ASSY side)
Screw pan M4x8 1 0.5±0.1(5±1)
NCU earth harness
(NCU PCB ASSY side)
Screw pan (S/P washer)
M3.5x6 DA
10.45±0.05(4.5±0.5)