3.2.10.6 Removing the Ribbon Drive (RD) Assembly
1. Remove the rear/frontedge guide assembly,front cover, papereject assembly, rear/front tractor
unit, and printer cover (see Section 3.2.1).
2. Remove the panelboard (see Section 3.2.2)and upper housingassemblies (see Section 3.2.7).
3. Remove the printer mechanism(see Section 3.2.10).
4. Remove the left frame assembly (see Section 3.2.10.5).
5. Remove 2 CBS screws (3×8, F/Zn ) securing the RDassembly tothe front frame.
6. Remove the RD assemblyfrom the front frame.
7. Remove the timingbelt from the RD assembly.
Notice how the gears in the RD assembly are engaged. Refer to the following figure.
The tightening torque for the CBS screw (3 ×8, F/Zn) = 0.78 ~ 0.98 N.m (8 ~ 10 Kg - cm)
Adjust the platen gap and perform the bidirectional print alignment. See Chapter 4.
Driven Pully Assembly
RD Assembly
Timing Belt
Figure 3-28 Removing the RD Assembly
Rachet, RD
Combination Spring (7 g/ 23 g)
Spur Gear (25 mm)
Driven Pulley
Assembly
Spur Gear
(11 mm)
Figure 3-29 Engaging Gearsfor the RD Assembly
Disassembly andAssembly FX-2170 Service Manual
3-20 Rev.A