Chapter 99-103) Disconnect the flexible cable holder [1] and disconnect the connector [3]of the flexible cable [2] to remove the operation panel unit [4].F-9-329.4.6 DC Controller PCB9.4.6.1 Removing the DC Controller PCB 0017-8661iR2022i / iR2025 / iR2030 / iR2018 / iR2022 / iR2018i1) Detach the rear cover.2) Remove the DC controller PCB [1].- Connector [2], 16 pcs.- Screw [3], 4 pcs.F-9-339.4.7 Option Power Supply PCB9.4.7.1 Removing the Option Power Supply PCB 0017-8666iR2022i / iR2025 / iR2030 / iR2018 / iR2022 / iR2018i1) Detach the rear cover.2) Detach the right cover (lower).3) Detach the delivery tray.4) Disconnect the connector (J16) [1] on the power supply PCB.F-9-345) Disconnect the connector (J53) [1] on the power supply PCB.6) Remove the option power supply PCB [2].- Screw [3], 3 pcs.F-9-359.4.8 HVT PCB9.4.8.1 Removing the HVT PCB 0017-8674iR2022i / iR2025 / iR2030 / iR2018 / iR2022 / iR2018i1) Detach the rear cover.2) Detach the right cover (lower).3) Detach the delivery tray.4) Remove the power supply PCB.5) Remove the HVT PCB.- Connector [2], 1 pc.- Screw [3], 2 pcs.F-9-369.4.9 Fixing Heat Discharge Fan9.4.9.1 Removing the Fixing Heat Discharge Fan (NonDuplex Unit Type) 0017-8826iR2022i / iR2025 / iR2030 / iR2018 / iR2022 / iR2018i[3][2][1] [4][2] [3][3][3][3] [2][1][1]When installing the HVT PCB, check that the contacts on the high voltageelectrode plate [1] touch the contacts on the PCB.[3][1][3][3] [2][3][2][1][1]
