Canon MF6530 Service Manual - Page 147
Removing the DC Controller PCB
UPC - 013803056037
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3) Press [OK]. 4) Press the [2] key to display "SCAN TEST". 5) Press the [3] key to display "SHEET POS ADJ". 6) Press [OK]. The optical system starts scanning. Several seconds later, automatic adjustment of the reading position finishes and "OK" appears. If automatic adjustment fails, "NG" appears. Perform the following procedure: Clean the platen guide of the DADF and the document glass of the host machine, and then retry auto adjustment. 9.4.7 DC Controller PCB 9.4.7.1 Removing the DC Controller PCB 0011-5464 1) Detach the right cover, inner cove, delivery tray front cover, and delivery tray. 2) Remove the speaker and power supply PCB. 3) Remove the screw [1], and the remove the flexible cable stay [2]. [2] [1] F-9-22 4) Disconnect all connectors from the DC controller PCB. 5) Remove the three screws [1], and then remove the DC controller PCB [2]. [2] [2] [1] Chapter 9 [1] [1] [1] 9.4.9 Relay PCB F-9-24 9.4.9.1 Removing the Relay PCB 0011-5466 1) Detach the rear cover. 2) Disconnect all connectors from the relay PCB. 3) Remove the two screws [1] and relay PCB [2]. [1] [1] [1] F-9-23 9.4.8 Powwer Supply PCB 9.4.8.1 Removing the Power Supply PCB 0011-5465 1) Detach the right cover, inner cover, and delivery tray front cover, and then remove the operation panel and delivery tray. 2) Remove the speaker. 3) Disconnect all connectors on the power supply PCB. 4) Remove the five screws [1], and then remove the power supply PCB [2]. 9.4.10 NCU PCB [2] F-9-25 9.4.10.1 Removing the NCU PCB 0011-5467 1) Detach the rear cover. 2) Remove all connectors and flexible cables from the NCU PCB. 3) Remove the two screws [1], and then remove the NCU PCB [2]. [1] 9.4.11 Modem PCB [2] F-9-26 9.4.11.1 Removing the Modem PCB 0011-5468 1) Detach the rear cover. 2) Disconnect the connector [1], and then release the cable from the clamp. 9-9