Cooling Fan Removal - Epson LQ-2550 Technical Manual

REV.-A

4.2.4.6 Cooling Fan Removal

Remove the upper case. (Refer to Section 4.2.2.)
Step 1:
Remove the push tractor unit. (Refer to Section 4.2.3. 1.)
Step 2:
Remove the ROMA board. (Refer to Section 4.2.4.1.)
Step 3:
Step 4:
Remove the eight screws CPS(0)(M3 X 6) securing the ground plates, then remove the four
Step 5:
ground plates.
Step 6: Remove the screw CBO(M4 X 8) securing the ground terminal of the power cord.
Remove the three screws CBB(M3 X 12) securing the base plate to the lower case.
Step 7:
Remove the two ground screws CPS(0)(M3 X 6) at the rear of the printer, then remove the
Step 8:
base plate.
Tear off the three pieces of tape fixing the cooling fan wires to the lower case.
Step 9:
Step 10: Remove the two screws CBB(M4 X 12) securing the fan adapter to the lower case.
Step 1 1: Lift the cooling fan together with the fan screen and fan adapter, and remove them.
Base Plate
Figure 4-19. Base Plate Removal
Figure 4-20. Ground Screws Removal
Tape
Figure 4-21. Cooling Fan Removal
4-14
Power Cord
Lead Wire
Cooling
Fan Screen
Fan Adapter
Fan
I