EPSON Stylus COLOR 3000
Rev. A
3-1
3.2.8 C203 MAIN Board Assembly Removal
1. Remove the upper housing. (See Section 3.2.1.)
2. Remove the printer mechanism unit. (See Section 3.2.6.)
3. Remove the connector cable for the ASF PW sensor from the CN8 on the main board assembly.
4. Remove the connector cable for the PL (Paper Length) sensor from the CN11 on the main board
assembly.
5. Remove the connector cable for the PNL board from the CN17 on the main board assembly.
6. Remove the connector cable for the PSB/PSE board from the CN15 on the main board assembly.
7. Remove 7 screws (6 CBS screws, 3X8 and 1 CBP screw, 3X12) securing the upper shield plate to the
lower housing.
8. Remove 2 screws (CBS, 3X6) securing the upper connector cover to the lower housing at the back,
then remove the upper connector cover.
9. Remove 10 screws (8 CBS screws, 3x6 and 2 CP screws, 3X6) securing the main board assembly to
the lower housing.
10. Remo ve the earth spring ;B.
11. Remove Type-B interface board guide from the main board assembly.
12. Remove the main board assembly.
The connectors for the motor (CN20,22 and 23) and for the ink cartridges (CN7, 12, 13 and
14) look similar. Therefore, be sure to connect them properly, since inappropriate connection
may result in malfunction of the PSE/PSB board or the main control board.
REQUIRED ADJUSTMENT
When the main board assembly is replaced, reset EEPROM prior to other adjustments to
avoid failure such as bugged data.
WARNING
Be careful in servicing the lithium battery. (See Section 3.1.1.)
Pay attention to the sharp edges of the upper shield plate.
CAUTION
