OKIDATA DOC-IT3000, Service Manual

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Service Guide DOC-IT3000/4000
Chapter 3 Maintenance & Disassembly
3.2.40 Upper Unit
· Remove the screw (1) and detach the ground cable (2). This is only found on the 200
volt units.
· Press the lock lever backwards and raise the upper unit (3).
· Use needle nose pliers to remove the left torsion spring (4).
· Use needle nose pliers to remove the right torsion spring (5).
· Loosen the two mounting screws (6).
· Lift the upper unit.
· Slide the upper unit to the right and work it free of the right slot to remove it.
CAUTION:
Be careful not to drop the fulcrum block (7) and the idle gear (8) when removing the upper unit.
P/N 50918101 Torsion Spring (Left) B.2.03
P/N 50213701 Upper Unit 120 VAC 300 DPI B.2.01
P/N 50918201 Torsion Spring (Right) B.2.03
P/N N/A Upper Unit 120 VAC 400 DPI B.2.01
P/N 51005001 Fulcrum Block B.2.03
P/N 51218501 Gear: Idle "B" RSPL B.2.03