Engine Controller Board (Mcupwb Board) Removal; High Voltage Supply Board (Hvps Board) Removal - Epson C11C605001 - DFX 9000 B/W Dot-matrix Printer Service Manual

Disassembly and Asssmbly
3.2.2.3 Engine Controller Board (MCU PWB Board) Removal
1. Remove therearcover. @eferto Section 3.2.l.l.)
2. Remove thetopcover. (Refer to Section 3.2.l.2.)
3. Remove theleftcover. @efertoSection32.13.)
4. Remove therightcover. (Refer to Section 3.2.l.4.)
5. Remove the ELECcover. (Refer to Section 3.2.2.l.)
6.
engine controller board.
7. Remove 5 CBB screws (M3 x 6) securing the engine driver board, and remove it.
Figure 3-8. Removing the MCU PWB Board
3.2.2.4 High Voltage Suppty Board (HVPS Board) Removal
1. Remove the rear cover. (Refer to Section 3.2.1.1.)
2. Remove the top cover. (Refer to Section 3.2.12)
Remove the kftcover. (Refer to Section 3.2.13.)
3.
4. Remove the right cover. (Ret%r to Section 3.2.1.4.)
Remove the ELEC cover. (Refer to Section 322.1.)
5.
6.
7.
Remove the volume adjustment knob.
8.
Remove 5 CBB screws (M3 x 8) securing the HVPS board, and remove it.
Figure 3-9. Removing the HVPS Board
3-8
Rev. A