Lexmark 5056 warranty Duplex removals, Duplex unit separation removal

Page 54

5056-XXX

Duplex removals

Duplex unit separation removal

1.Remove the thumbscrews, C-clips, and screws as shown from both sides.

2.Remove the connectors, and separate the duplex frame from the duplex unit.

Repair information 4-53

Image 54

Contents Lexmark Repair Catalog Service precautions Handling ESD-sensitive partsRIP board/operator panel replacement Handling printed circuit boards5056-XXX High-capacity paper feed timing belt adjustment Adjustments and procedures following parts replacementTransfer belt Removals Cover, top removalFront door / operator panel removal Cover, front left removal Cover, rear removal Cover, solenoid removalCover, left side removal Cover, right side removal Cover, RIP board removal Tray, paper exit removal Belt up/down clutch removalCassette guide removal CK1 daughter board removalCK2 daughter board removal Connector, duplex unit removal Paper tray lift motor removalDrive gear unit sensor assembly removal Electronic box removal Face up paper exit assembly removal Front cover open switch actuator removalFuser removal Gear cover removal/Multipurpose feeder frame assembly High voltage power supply board Hvps removal LED printhead removalEraser removal Lock handle assembly removal Main drive unit removal 5056-XXX Main unit fan removal Motor drive board removalMultipurpose feeder paper present sensor removal Multipurpose feeder tray removal Paper feed unit removal5056-XXX Paperpath maintenance Paper-feed rollers removalPaper carrying frame removal / roll removal Registration frame Registration clutch removal Registration sensor removalRelay roller removal Face down guide assembly removal Face down exit roll removal5056-XXX 5056-XXX Power supply 1 removal Power supply 2 removal Power switch removal Printer controller removalPrinthead controller board removal Left slide rail removal RIP box removalSensor board removal Stay arm removalSub-frame removal Temperature/humidity sensor removal Sub frame F1, sub frame F2 removalTop unit removal Transfer belt removal5056-XXX 5056-XXX 5056-XXX Turn guide cover sensor removal Upper fan removal5056-XXX Turn guide door removal Expansion feeder controller board removalSize sensor board removal Stepper motor removal Paper feed assembly removal Expansion feeder turn guide door sensor assembly removal Duplex removals Duplex unit separation removalDuplex unit removal Duplex timing belt removalDuplex pressure roller and solenoid removal Duplex feed roller and solenoid removalDuplex side fence motor assembly/side fence removal Duplex paper carrying motor removal High-capacity feeder HCF removals HCF covers removalHCF call roller, paper feed roller, reverse roller removal HCF pickup solenoid removal5056-XXX HCF tray motor removal HCF power supply removal HCF paper level sensor removalFinisher removals External covers removalsFinisher control board removal Feed motor assembly removal Elevator motor removalHole punch removal Inverter paper exit discharge brush removal Inverter paper exit roller removalJogging unit removal Path select gate removal Patting roller removal Patting Roller Power supply removal Registration roller removal Registration roller clutch removalStack area discharge brush removal Staple unit removalStraight paper exit discharge brush removal Straight paper exit roller removal5056-XXX Timing belts 1 and 2 removal Tractor belt removal Tractor drive motor assembly removal