Timing Belt-Belt-Driven Pulley Removal - Epson LQ 1050 - B/W Dot-matrix Printer Technical Manual

4.2.5.5 Timing Belt" Belt-Driven Pulley Removal
Remove the printer mechanism (Refer to Section 4.2.5. 1.).
S t e p l :
Step2: Remove the timing-belt tension spring.
Loosen the two CPS(0) (3 X 10) screws which fixing carriage motor mounting plate to the base
Step3:
frame.
Pull the timing belt out from carriage motor pulley.
Step4:
Step5: Place the carriage over the notch in right side of the base frame, and release the engaged parts
of the timing belt and carriage from the bottom side of the base frame.
Remove the belt-driven pulley by moving it to the left, and remove the timing belt.
Belt Driven Pulley
Carriage
Verify that the timing belt runs around the belt-driven pulley and the belt-driving pulley of the
carriage motor shaft.
2.
Insert the timing belt firmly into the carriage, utilizing the notch in the base frame, in the same
way as when removing it. After insertion, apply adhesive at the engaged parts of the carriage and
the belt (Refer to Section 6.2, Lubrication and Adhesive Application.). Insert the belt until the
undersurfaces of the belt mesh with the inserted parts of the carriage.
3. Hang the timing-belt tension spring on hooks for both base frame and carriage motor mounting
plate.
4. Tighten the screws on the carriage motor mounting plate.
—
Printhead Position
Figure 4-22. Timing Belt Removal
Engaged Part
Bottom View
Figure 4-23. Timing Belt Insertion
ASSEMBLY POINTS
4-18
Timing Belt Tension Spring
Timing Belt