Ricoh 002052MIU User Guide - Page 53

MAIN PBA (MAIN BOARD), PBA. Then remove the main PBA [A].

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4. Remove the ten screws from the engine shield ass'y [A]. Then remove it. Then disconnect all connectors from the main PBA and SMPS. MAIN PBA (MAIN BOARD) Replacement and Adjustment B173R937.WMF 3.10 MAIN PBA (MAIN BOARD) NOTE: 1) Print out the system data list in Tech mode to keep programmed data before you do the replacement procedure. 2) Do the "Clear All Memory" in Tech mode (! 5.1.3) after you finish the replacement procedure. 1. Before you remove the main PBA, you must remove these: • Rear cover (! 3.2) • Side covers (! 3.3) [A] • Scanner Ass'y (! 3.5) • Engine shield ass'y (! 3.9) 2. Disconnect one connector. Then remove the five screws from the main PBA. Then remove the main PBA [A]. [A] B173R938.WMF SM 3-17 B173

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MAIN PBA (MAIN BOARD)
SM
3-17
B173
Replacement
and Adjustment
4.
Remove the ten screws from the
engine shield ass°y [A]. Then remove
it. Then disconnect all connectors
from the main PBA and SMPS.
3.10 MAIN PBA (MAIN BOARD)
NOTE:
1)
Print out the system data list in Tech mode to keep programmed data
before you do the replacement procedure.
2)
Do the ±Clear All Memory² in Tech mode (
!
5.1.3) after you finish the
replacement procedure.
1.
Before you remove the main PBA, you must remove these:
•
Rear cover (
!
3.2)
•
Side covers (
!
3.3)
•
Scanner Ass°y (
!
3.5)
•
Engine shield ass°y (
!
3.9)
2.
Disconnect one connector. Then
remove the five screws from the main
PBA. Then remove the main PBA [A].
B173R937.WMF
B173R938.WMF
[A]
[A]