Minolta Di251 Service Manual page 188

Symbol Part Name
PWB-A Master Board
PWB-F Panel Board
PWB-H Double Feed
Detecting Board ( )
PWB-I Paper Size
Detecting Board
PWB-M ROM/RAM Board
PWB-N Network ROM Board
PWB-R Fuser Frame
Register Board
PWB-R2 Pre-Transfer Guide Plate
Register Board 1
PWB-R2 Pre-Transfer Guide Plate
Register Board 2
BCR BCR Board
MFB2 MFB2 Board
CCD2 CCD2 Board
INV Inverter Board 1
PU1 Power Supply Unit
PU2 High Voltage Unit
PU3 Inverter Board 2
UN1 Touch Panel
: Only on the 35-cpm copier
Removal Procedure
Remove the Rear Upper Cover.
Remove the Shield Box.
PWB-A
For details, see steps 2 through 12 of "(1) Removal of the PH
Unit" of "2-5. OPTICAL SECTION."
Remove the Front Cover.
Remove the Left Front Upper Cover.
Cover. Remove six screws and the Control Panel.
Slide out the Multi Purpose Cassette.
PWB-H Mounting Bracket.
Remove the Harness Cover.
two tabs and remove the PWB Cover.
Remove the Rear Upper Cover.
Remove the Shield Box.
same time. PWB-M
Remove the Rear Upper Cover.
Remove the Shield Box.
same time. PWB-N
Remove the Fusing Unit.
Open the Side Cover and remove the Vertical Transport Unit.
PWB-R2
Open the Side Cover. Remove the I/C.
the PWB Cover. PWB-R2
Remove the Left Rear IR Cover.
Harness Cover. BCR
Remove the Rear Upper Cover.
Remove the Shield Box.
MFB2
For details, see steps 2 through 9 of "(1) Removal of the PH Unit"
of "2-5. OPTICAL SECTION."
D-16
Remove the Original Glass.
Remove the Upper Cover.
the Left Cover. Remove the Reinforcement Bracket.
three screws and the PU1 Mounting Bracket Assy.
Open the Side Cover. Remove the I/C. Remove two screws and
the High Voltage Unit Cover.
Remove the Front Cover.
Remove the Front Holding Bracket.
Cover. Remove six screws and the Control Panel.
Remove the Front Cover.
Remove the Front Holding Bracket.
Cover. Remove six screws and the Control Panel.
D-7
Remove the Upper Rear Cover.
Remove the MFB2 Board Assy.
Remove the Front Holding Bracket.
Remove the Upper Front
Remove one screw and the
PWB-H
Remove the Rear Cover.
PWB-I
Remove the Upper Rear Cover.
Remove PWB-M and PWB-N at the
Remove the Upper Rear Cover.
Remove PWB-M and PWB-N at the
PWB-R
Remove one screw and
Remove three screws and the
Remove the Upper Rear Cover.
Remove PWB-M and PWB-N.
INV
Remove the Front Cover.
PU1
PU2
Remove the Upper Front Cover.
Remove the Left Front Upper
Remove the Upper Front Cover.
Remove the Left Front Upper
PWB-F
Unhook
Remove
Remove
PU3
UN1