5. ADF geometric adjustment1. On an image copied using the ADF, check the non-image width in the X and Y directions and theexpansion/contraction in the X direction.In the case of E353MGMH, perform 2-sidedoriginal reading from the ADF.If adjustment is needed, enter necessaryadjustment values in the following service mode:• COPIER > ADJUST > ADJ-XY > ADJ-Y-DF(Adj img pstn in ADF mode:horz scan)• FEEDER > ADJUST > DOCST (Fineadjustment of VSYNC timing at ADF reading[front side])• FEEDER > ADJUST > DOCST2 (Fineadjustment of VSYNC timing at ADF reading[back side])• FEEDER > ADJUST > LA-SPD (Fineadjustment of magnification ratio in verticalscanning direction at ADF stream reading[front side])• FEEDER > ADJUST > LA-SPD2 (Fineadjustment of magnification ratio in verticalscanning direction at ADF stream reading[back side])2. If you enter adjustment values, write the finalvalues on the service label.Removing the Reader ScannerMotor■ Preparation1. Remove the Right Cover.(Refer to “Removing theRight Cover” on page 120)2. Remove the Left Cover.(Refer to “Removing the LeftCover” on page 118)3. Remove the ADF Unit + Reader Unit.(Refer to“Removing the ADF Unit + Reader Unit” on page130)4. Separate the ADF Unit from the Reader Unit.(Referto “Separating the ADF Unit + Reader Unit” on page131)5. Remove the Reader Unit Upper Cover Unit.(Refer to“Removing the Reader Unit Upper Cover” on page144)■ Procedure1. Free the harness [2] while holding the Reader Unit[1].• 1 Connector [3]• 3 Harness Guides at the [A] locationCAUTION:To prevent parts on the top side of the Reader Unit, donot tip the Reader Unit [1] into the perpendicularposition.[3][2][A][1]3x1x2. Pull the Drive Belt [1] to move the CIS Unit [2].4. Disassembly/Assembly151
