Disassembly; Removing The Scanner Unit - Riso RZ3xx Series Technical Manual

Disassembly

1. Removing the Scanner Unit

(1) Switch off the machine power and remove the following covers.
- Stage cover
- Scanner cover;paper feed
- Scanner cover;paper ejection
- Scanner cover;rear
- Operation panel
(2) Detach the stage-cover sensor by removing one screw (M4x8: 1pc) and disconnecting a connector.
(3) Disconnect the relay PCB connector.
(4) Disconnect the FB read pulse motor connector.
(5) Disconnect the scanner wire harness (flat-cable) connector.
(6) Remove the two hinge brackets by removing screws (M4x8: 2pcs each).
(7) Remove screws (M4x8: 6pcs) securing the scanner bracket onto the machine, and lift and remove the
scanner unit. (This is a heavy precision component. Handle with care.)
Hinge bracket
< Precautions in Assembly >
(1) When replacing with a new scanner unit, make sure to remove the large screw which fixes the mirror
carriage on the scanner unit for the transportation purpose.
(2) Prior to reassembly, memo down the information label located on the top right of the scanner unit, listing
the necessary Test Mode adjustments for the scanner unit.
RISO Inc. Technical Communications
CHAPTER 11: FB ORIGINAL SCANNING SECTION (600 dpi)
Label
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[ 11 - 7 ]
One of the 6 screws
mounting the scanner
unit on the machine.
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< Enlarged View >
< EXAMPLE >
us.riso.com
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