Minolta EP2030 - Page 28

FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 DIS/REASSEMBLY, ADJUSTMENT
98.04.13
D-9
✽
Details of Readjustments/Resetting Involved In Replacement of PWB-Y, UN2 and UN3.
•
When PWB-Y is replaced:
Carry out Memory Clear and then make the Tech. Rep. Program, User's Choice, and
Adjust settings again.
•
When UN2 is replaced: (18/23 cpm copier only)
Adjust the Original Size Detecting Board.
•
When UN3 is replaced:
Discard the developer which had been used until UN3 was replaced, charge the Devel-
oping Unit with fresh starter, and adjust ATDC.
Symbol Part Name Removal Procedure
PWB-A Master Board Open 1.
→
Release and swing up the Upper Half of
the copier.
→
Remove 19.
PWB-C Power Supply Board Open 1.
→
Release and swing up the Upper Half of
the copier.
→
Remove 17 (18/23 cpm copier only), 18,
and 19.
→
Remove four screws that secure the Power
Supply Unit Cover.
PWB-D Noise Filter Board
PWB-E
(15/18 cpm
copier)
Motor Drive Board Open 1 and 12.
→
Remove 9, 10, and 11.
PWB-F
(23 cpm
copier)
Motor Drive Board Open 1.
→
Remove 11.
→
Remove 9 and 10.
→
Remove the Multi Bypass Unit.
PWB-H AE Sensor Board Remove 3 and 4.
→
Remove the optical cover.
PWB-P Control Panel Open 1.
→
Remove 9.
→
Release and swing up the
Upper Half of the copier.
→
Remove 21.
→
Remove
seven screws that secure Control Panel.
PWB-Y RAM Board Open 1.
→
Release and swing up the Upper Half of
the copier.
→
Remove 19.
PU1 Power Supply Unit <18/23 cpm copier>
Open 1.
→
Remove 11.
→
Remove 9 and 10.
→
Remove the Multi Bypass Unit.
<15 cpm copier>
Open 1 and 12.
→
Remove 9, 10, and 11.
PU2 DC Power Supply
Unit
Open 1.
→
Release and swing up the Upper Half of
the copier.
→
Remove 17 (18/23 cpm copier only) and
18.
HV1 High Voltage Unit Open 1.
→
Release and swing up the Upper Half of
the copier.
→
Remove 19.
→
Remove PWB-A.
UN2
(18/23 cpm
copier only)
Original Size Detect-
ing Board
Remove 3 and 4.
→
Remove the optical cover.
UN3 ATDC Sensor Open 1.
→
Release and swing up the Upper Half of
the copier.
→
Take out the I/U.
→
Remove two screws
that secure the Synchronizing Roller Guide Unit.