Rep 8.1 System Controller Pwb - Xerox DocuPrint N2025 Service Manual

REP 8.1 System Controller PWB

Parts List on PL 9.1
Removal
These components are susceptible to electrostatic discharge. Observe all ESD procedures to
avoid damage.
Turn the power off and disconnect the Power Cord.
1. Remove the Left Side Cover (REP 1.1).
2. Loosen the two thumb screws that secure the Shield Cover and remove the cover (Figure
1).
3. Remove the six screws and the RF Shields that secure the rear of the System Controller
PWB Assembly to the printer (Figure 2).
4. Disconnect P/J3, P/J13, and P/J18 from the System Controller PWB.
5. Remove the seven screws that secure the System Controller PWB to the printer (Figure
2).
6. Slide the System Controller PWB toward the rear of the printer to disconnect P/J14 from
the Print Engine Controller PWB (Figure 2).
7. Remove the System Controller PWB Assembly.
NOTE: If replacing the System Controller PWB, continue with step 8.
8. Remove any DIMMs from slots J5, J4, or J6 and install them on the new System Control-
ler PWB.
9. If installed, remove the two screws that secure the Network Card to the frame assembly
(Figure 3). Remove the network card.
10. If installed, remove the Hard Disk Drive and the two right standoffs.
11. Remove the two screws that secure the parallel connector to the frame assembly (Figure
3).
12. Remove the three screws that secures the System Controller PWB to the frame assembly
(Figure 3). Remove the System Controller PWB.
Initial Issue
DocuPrint N2025/N2825
CAUTION
WARNING
Figure 2 System Controller PWB Assembly
02/2000
4-43
Figure 1 Shield Cover
Repair-Adjustment
REP 8.1