Field Service Ver. 2.0 Jun. 2010 5. OTHER MAINTENANCE ITEMS
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bizhub 164MAINTENANCE
5.4.20 DC power supply (DCPU)
1. Remove the rear cover.
See P.34
2. Disconnect all connectors from the
DC power supply.
3. Remove three screws [1] and two
card spacers [2], and remove the DC
power supply [3].
NOTE
When reinstalling the DC power sup-
ply, be sure to note the following
points.
• Make sure that no harness is
caught on the back of the board.
• Make sure that no harness is
caught in the notch on the plate.
4. To r ei n st all , r eve rs e t h e o rde r of r em ova l.
5.4.21 Tray 1 feed roller
1. Slide out the tray 1.
2. Press down the paper lifting plate.
3. Snap off the E-ring [2] from the feed
roller assy [1].
4. Slide the feed roller assy [1] to the
rear and pull it off the bushing at the
front.
5. Loosen the set screw [1] with the
hexagon wrench (2.5 mm), and
remove the weight [2].
NOTE
•When reinstall the weight, tighten
the set screw with the weight
slightly pushed against the feed
roller.
A0XXF2E039DA
[1]
[3]
[2]
A0XXF2E040DA
[1]
[2]
A0XXF2E041DA
[1]
[2]