10/004-151Phaser 790/DocuColor 2006 ADJ 5.3, ADJ 5.4Repairs and AdjustmentsInitial Issue2. Close the ADF and adjust the gap between the Side Guide and the Transport AssemblyFrame using the adjustment screw. (Figure 3)a. Move the screw in “A” direction to raise the ADF, move it in the “B” direction to lowerthe ADF• The ADF will raise or lower about 0.75mm with each turn of the adjustmentscrew.• The registration marks on the Counterbalance may be used at the time ofadjustment.Figure 3 Adjusting the ADF HeightCAUTIONIf the screws are not tightened sufficiently, the height of the Counterbalance may change,causing document jams.3. Open the ADF and tighten the screws loosened in Figure 2.4. Repeat the checks and make sure the gap is correct.ADJ 5.4 ADF Front-to-Rear PositioningPurposeThe purpose is to adjust the right-side Counterbalance, make the appropriate front-to-backpositioning of the ADF Assembly, and correct skew problems.CheckWARNINGTo avoid personal injury or shock, do not perform repair or adjustment activities withthe power switch on or electrical power applied to the machine.1. Switch off the machine power and disconnect the machine Power Cord.2. Remove the Lower Chute. (Figure 1)Figure 1 Removing the Lower Chute“B” Direction“A” DirectionAdjustmentScrewScale2Loosenthe screw3Remove the Lower Chuteby moving the chute in thedirection indicated1Open the FeederCover
