Epson DFX-8500 service manual Printhead Removal

DISASSEMBLY AND ASSEMBLY

Step 5: Disconnect the narrow FPC cable from white connector (lock-type).

Step 6: Move the carriage to around 90th column, remove the two CP(S-P1)(M4X7) screws securing the printhead and remove the CP(S-P1)(M3X6) screw securing the ground FPC, then remove the printhead.

C P ( S - P 1 ) ( M 4 X 7 )

N a r r o w F P C C a b le

C P ( S - P 1 ) ( M 3 X 6 )

P r in t h e a d

C a r r ia g e

Figure 3-12. Printhead Removal

Step 7: Disconnect the white connector for the paper width (PW) sensor on the ribbon mask.

Step 8: Remove the two shafts securing the ribbon mask to the carriage using a hexagon head screw wrench, then remove the ribbon mask.

S h a f t s

Rib b o n M a s k

P W S e n s o r

C o n n e c t o r

Figure 3-13. Ribbon Mask Removal

Step 9: Install the new printhead, ribbon mask, and cable protection sheet by following Steps1 to 9 in the reverse order.

Step 10: Replace the ribbon mask with a new one. Set the cable of the paper width sensor as shown in Figure 3-13. After installation, check that the ribbon mask is a little loose.

Step 11: Install the new printhead (torque the screws to 12 + 1 kg cm). Replace the head cable protection sheet with a new one, then connect the head cables to the connector.

Rev. B 3-11