Psb/Pse Board Removal - Epson STYLUS COLOR 3000 Service Manual

After replacing the printer mechanism, perform all required adjustments to write appropriate
values such as printhead data into the EEPROM on the main control board (See Chapter 4).

PSB/PSE Board Removal

1. Remove the upper housing (See page 3-4).
2. Remove the printer mechanism (See page 3-10).
3. Remove eight screws (six CBS screws, 3×8 and two CBP screws, 3×12) securing the upper shield plate
to the lower housing.
4. Disconnect the power cable and connector cable for the main board from CN1 and CN2, respectively.
5. Remove four screws (CBS, 3×6) securing the PSB/PSE board to the lower housing, then remove the
PSB/PSE board.
Do not disconnect the cable from CN1 for at least 5 minutes after disconnecting the power cable
from the AC socket; the capacitor on the C172 PSB/PSE board is still discharging electricity.
Upper Shield Plate
CBS Screws (3×8)
CBS Screw (3×6)
CN2
PSB/PSE Board Assembly
EPSON Stylus Color 3000 Service Manual
REQUIRED ADJUSTMENT
WARNING
CBP Screws (3×12)
CN1
Figure 3-9. PSB/PSE Board Removal
EPSON Stylus COLOR 3000
CBS Screws (3×8)
CBS Screws (3×6)
3-11