Citizen CLP-621 Technical Manual page 84

3-5. Disassembly, Reassembly and Lubrication
3-5-4. Ribbon Gears
1. Remove the Top Cover SA and remove the Ribbon Unit Fan SA2. Refer to Step 2 (Normal
way) in 3-5-2-(1) "Removing the Case U without detaching the Ribbon Unit (Normal way)".
2. On the front (ribbon take-up) side, remove 1 screw (NO. 0, TFH, M2x3 (NI)) and 1 Ribbon
Washer Plate. Then, remove the Holder R Shaft SA, Ribbon Return Spring, and Ribbon Gear
5F in that order.
3. Also on the front side, disengage 1 E-ring and remove the Ribbon Gear 2, Ribbon Gear 1,
Ribbon Gear 3, and Ribbon Gear 4 in that order.
4. On the rear (ribbon supply) side, remove 1 screw (No. 0, TFH, M2x3 (NI)) and 1 Ribbon
Washer Plate. Then, remove the Holder R Shaft SA, Ribbon Return Spring, and Ribbon Gear
5R in that order.
5. Also on the rear side, disengage 1 E-ring and remove the Ribbon Gear 2, Ribbon Gear 1,
Ribbon Gear 3, and Ribbon Gear 4 in that order.
Gear 2, Ribbon
Gear 3, Ribbon
Notes on reassembling:
• Distinguish the Ribbon Gear 5F from the Ribbon Gear 5R, referring to the following figure.
CLP-621 & CLP-631
FLOIL G-474C
Gear 1, Ribbon
Gear 4, Ribbon
E-Ring, 4
Spring, Ribbon Return
Gear 5F, Ribbon
Projection
3-12
Gear 5R, Ribbon
Spring, Ribbon Return
SA, Holder R Shaft
Gear 4, Ribbon
Gear 1, Ribbon
Gear 3, Ribbon
Gear 2, Ribbon
E-Ring, 4
Gear 5F, Ribbon
No. 0, TFH, M2x3 (NI)
Plate, Ribbon Washer
SA, Holder R Shaft
Gear 5R, Ribbon
Plate, Ribbon Washer
No. 0, TFH, M2x3 (NI)