Page: 43
Service Guide OL810e
Chapter 3 Parts Replacement
3.3.21 TQCB-PCB
(1) Remove the operator panel assy (see 3.3.4).
(2) Remove the upper cover assy (see 3.3.1).
(3) Remove the face up stacker assy (see 3.3.7), and shield plate.
(4) Remove the connector (PSIZE) (2NDTRAY) 5 and 6, LED Head cables, and motor connectors.
(5) Remove three screws 1.
(6) Move the TQCB-PCB 2 in the direction of arrow to disconnect it from the power supply/sensor board
3.
(7) Remove the TQCB-PCB 2, together with the PCB guide plate (remove the fan motor 4 at the same
time).
(8) Remove the connector CN1, and disconnect the fan motor 4.
(9) Remove three screws 8 and two nuts 9, and remove the PCB guide plate 7 from the TQCB-PCB 2.
Note: When reinstalling the TQCB-PCB 2 onto the base plate 7, be careful not to bend the base plate (it is
desirable to place a block underneath it to prevent bending).
Summary of Contents for OL810e
Page 12: ...4 Universal Paper Cassette 5 High Capacity Second Paper Feeder 6 Power Envelope Feeder...
Page 20: ......
Page 52: ...Base unit...
Page 65: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Page 131: ...Page 68 Service Guide OL810e Chapter 6 Troubleshooting...
Page 134: ...Page 70 Service Guide OL810e Chapter 6 Troubleshooting 2 2 Paper feed jam...
Page 149: ...Page 84 Service Guide OL810e Chapter 6 Troubleshooting 8 White vertical belts or streaks...
Page 150: ......
Page 167: ...Page 99 Service Guide OL810e Chapter 7 Wiring Diagrams 7 3 Resistance Check...
Page 180: ...Page 106 Service Guide OL810e Chapter A RS 232 Interface Interface Parameter Setting...
Page 181: ......
Page 184: ...Connector pin arrangement 4 Signal Level LOW 0 V to 0 8 V HIGH 2 4 V to 5 0 V 5 Specifications...
Page 228: ...Paper Inlet Jam...