Mcu Pwb (Pl13.2.1) Removal - Epson AcuLaser C8500 Service Manual

EPSON AcuLaser C8500

3.2.16.5 MCU PWB (PL13.2.1) Removal

When replacing the MCU PWB, mount the new MCU PWB
C A U T I O N
after removing the EEPROM(U2) housing the NVM DATA
from the MCU PWB that is not replaced.
1. Remove the TOP COVER ASSY. (See Section 3.2.5.4.)
2. Remove the RIGHT COVER ASSY. (See Section 3.2.5.11.)
3. Remove the CONTROLLER PWB. (See Section 3.2.17.1.)
4. Remove the CONT. CHASSIS ASSY. (See Section 3.2.17.3.)
5. Remove the 12 connectors (P/J10, P/J12, P/J14, P/J15, P/J16, P/J17, P/
J18, P/J19, P/J20, P/J21, P/J22, P/J23) of the MCU PWB.
6. Remove the 4 screws (silver, w/collar, 6 mm) securing the MCU PWB, and
remove the MCU PWB.
C H E C K
Connect the earth wire to the bottom screw of the screws
P O I N T
securing the MCU PWB.
Disassembly/Assembly/Adjustment Disassembly/Assembly Procedures
Figure 3-122. MCU PWB Removal
Revision C
3-103