EPSON Stylus Photo R1900/R2880/R2000/R2000s/SC-P400 Series  Revision I
Disassembly And Assembly  Disassembling the Printer Mechanism  92
4.4.2  CR Scale
1. Remove the Upper Housing / Printer Cover. (p.83)
2. Release the Carriage Lock, and move the Carriage Unit to the center. 
(Refer to 4.1.6 Locking/Unlocking the Carriage and Opening/Closing the CDR 
Tray Base (p.75))
3. Pull the right end of the CR Scale in the direction of the arrow, and remove the CR 
Scale from the tab on the Right CR Shaft Mounting Plate.
4. Pull out the right end of the CR Scale towards the left direction from the rear of the 
Carriage Unit.
Figure 4-44. Pulling out the CR Scale
 Match the phase of the APG Assy in the following procedure.
1.Match the delta marks of Spur Gear 16 and Combination 
Gear 22, 28.8, 32.4.
2. At the position where the tab can be identified through the 
notch of the PG Frame, match the delta marks of Spur Gear 
16 and PG Cam (Left).
Figure 4-43. Phase Matching
 Tighten the screws in the order shown in Figure 4-41
Delta Marks
Spur Gear 16
Combination Gear, 
22, 28.8, 32.4
Delta Marks
Tab
Spur Gear 16  PG Cam (Left)
When performing the following procedure, take care to prevent 
both ends of the CR Scale from being broken.
Step 3
Step 4
Carriage Unit
Right CR Shaft Mounting Plate
CR Scale
Hook