Removing The Paper Feed Drive Unit - Riso RZ9 Series Technical Manual

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CHAPTER 6: SECOND PAPER FEED SECTION

7. Removing the Paper Feed Drive Unit

(1) Switch off the machine power, remove the rear cover, and then swing open the PCB bracket of the power

supply and mechnical control PCB.

(2) Insert jig (8mm dia.) into the position-B phase alignment hole on the main shaft assembly of the main drive.

Jig shaft ( 8 mm dia.) inserted into position-B

phase alignment hole on the main shaft

(3) Remove the following springs :

- Sector gear spring

- Guide roller pressure spring

- Timing roller bearing assembly

- Paper feed drive cover

- Sector gear assembly

- Continues on next page -

Timing roller bearing assembly

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Paper feed drive cover

Guide roller pressure spring

[ 6 - 16 ] - Rev. 0.2

Sector gear assembly

Sector gear spring