Lexmark 5056 User Manual

Lexmark™ C9205056-xxxLexmark Repair CatalogThe following information is from Lexmark's Service Mnaual. Lexmark and Lexmark with diamond design a

Repair information 4-9 5056-XXXCover, rear removal1. Open the top unit.2. Remove the three silver screws from the rear cover, and then remove the co

4-10 Service Manual5056-XXX Cover, right side removal1. Open the top unit, and remove the front cover and upper cassette.2. Remove the operator pane

Repair information 4-11 5056-XXXCover, RIP board removalWarning: If the operator panel and the RIP board are being replaced at the same time, replac

4-12 Service Manual5056-XXX Tray, paper exit removal1. Unlatch the hinge at the back side, then unlatch the hinge on the front side. 2. Remove the p

Repair information 4-13 5056-XXXCassette guide removal1. Remove the paper feed frame.2. Remove the front cover, cassette, turn guide, right side cov

4-14 Service Manual5056-XXX Connector, duplex unit removal1. Open the top unit and remove the upper cassette, left front cover, paper feed cover, le

Repair information 4-15 5056-XXXDensity sensor removal/Separation fingers removal/Sensor cleaner removal1. Open the top unit and remove the belt uni

4-16 Service Manual5056-XXX Electronic box removal1. Open the top unit, and remove the back cover.2. Remove the RIP board cover.3. Remove the RIP bo

Repair information 4-17 5056-XXXFace up paper exit assembly removal1. Open the top unit, and remove the upper cassette. Open the duplex cover, and r

4-18 Service Manual5056-XXX Fuser removal1. Open the top unit.2. Pushing the front and back lock, hold the handle, and then raise and remove the fus

Repair information 4-1 5056-XXXRepair informationHandling ESD-sensitive partsMany electronic products use parts that are known to be sensitive to el

Repair information 4-19 5056-XXXGear cover removal/Multipurpose feeder frame assembly1. Open the top unit, and remove the upper cassette, front cove

4-20 Service Manual5056-XXX High voltage power supply board (HVPS) removalNote: When removing the high voltage power supply, be careful to avoid da

Repair information 4-21 5056-XXX5. Disconnect the affected LED printhead connectors from the printhead controller board. Remove the screw from the g

4-22 Service Manual5056-XXX Lock handle assembly removal1. Open the top unit.2. Turn the plastic latch on the front and rear sides 90°.3. Remove the

Repair information 4-23 5056-XXXMain drive unit removal1. Open the top unit, and remove the gear cover, upper cassette, left front cover, paper feed

4-24 Service Manual5056-XXX 14. Remove the screw from the clutch stopper. The clutch stopper is attached to the ground plate with two screws. 15. Re

Repair information 4-25 5056-XXXMain unit fan removal1. Remove the left side cover, the solenoid cover, and the rear cover.2. Remove the LVPS (low v

4-26 Service Manual5056-XXX Multipurpose feeder tray removal1. Open the top unit, and remove the front cover, cassette feeder, turn guides and right

Repair information 4-27 5056-XXX6. Remove the paper feed gear unit, paper feed clutch, and two gears (C) not held in place with an E-clip. 7. Remov

4-28 Service Manual5056-XXX Paper-feed rollers removalPaperpath maintenance A paper path maintenance kit can be used when a machine is experiencing

4-2 Service Manual5056-XXX RIP board/operator panel replacementWarning: If the operator panel and the RIP board are being replaced at the same time,

Repair information 4-29 5056-XXXPaper carrying frame removal / roll removal1. Open the top unit, and remove the upper cassette, front cover, turn gu

4-30 Service Manual5056-XXX Registration frameRegistration clutch removal1. Open the top unit, open the turn guide, open the paper feed cover, and p

Repair information 4-31 5056-XXXRelay roller removal Note: This removal can be used for the expansion paper-feed unit relay roller removal as well.

4-32 Service Manual5056-XXX Face down guide assembly removal1. Remove the top cover.2. Disconnect the connector, and remove the five screws and two

Repair information 4-33 5056-XXX3. Remove the rear cover.4. Remove the motor and drive belt from the exit roller shaft.5. Remove the grounding strip

4-34 Service Manual5056-XXX 6. Remove the e-clips and bushings (A) from both ends of the exit roller shaft.7. Pull the guide rib (A) to the left.

Repair information 4-35 5056-XXX8. Remove the exit roller.Power supply 1 removal1. Unplug the power cord from the printer.2. Open the top unit, and

4-36 Service Manual5056-XXX Power supply 2 removal1. Unplug the power cord from the printer.2. Open the top unit, and remove the RIP cover, RIP boar

Repair information 4-37 5056-XXXPower switch removal1. Remove the upper cassette, left front cover, paper feed cover, and left side cover.2. Unlock

4-38 Service Manual5056-XXX Printhead controller board removal1. Remove the top cover, and then remove the 20 printhead controller board connectors.

Repair information 4-3 5056-XXXCheck finisher alignment when moving or servicing the finisherAfter moving or servicing the finisher, print some test

Repair information 4-39 5056-XXXLeft slide rail removal1. Remove the upper cassette.2. Remove the screw from both left and right slide rails. RIP bo

4-40 Service Manual5056-XXX Sensor board removal1. Remove the transfer belt unit.2. Remove the four connectors.3. Remove the three screws from the w

Repair information 4-41 5056-XXXSub-frame removalImportant: Read the entire procedure before removal.1. Open the top unit, and remove the RIP cover,

4-42 Service Manual5056-XXX Sub frame F1, sub frame F2 removal1. Open the top unit.2. Remove the two screws from the sub frames F1 and F2.Note: Spr

Repair information 4-43 5056-XXXTop unit removal1. Open the top unit, and remove the top cover and face-down guide assembly.2. Remove the screws, an

4-44 Service Manual5056-XXX 3. Loosen the thumbscrews as shown. 4. Lift and remove the transfer belt cover.

Repair information 4-45 5056-XXX5. Loosen the thumbscrews as shown. 6. Press down on the transfer belt release lever as shown.

4-46 Service Manual5056-XXX 7. Pull the transfer belt out. 8. After replacing the transfer belt and removing the four shipping spacers, tighten the

Repair information 4-47 5056-XXXTurn guide cover sensor removal1. Remove the left rear, rear, and right covers. 2. Remove the print controller card

4-48 Service Manual5056-XXX 3. Remove the two screws from the left fan, and remove the fan. 4. Remove the two screws from the right fan, and remove

4-4 Service Manual5056-XXX AdjustmentsHigh-capacity paper feed timing belt adjustment1. Secure the bracket with the screw, as shown.2. Attach the sp

Repair information 4-49 5056-XXXExpansion feeder removals Turn guide door removal 1. Open the turn guide door. 2. Pull the door hinge from the right

4-50 Service Manual5056-XXX Stepper motor removal 1. Remove the expansion feeder rear cover. 2. Disconnect the stepper motor power cable from the ex

Repair information 4-51 5056-XXXPaper feed assembly removal 1. Remove the rear cover. 2. Remove the cassette. 3. Remove the stepper motor assembly.

4-52 Service Manual5056-XXX Paper tray lift motor removal 1. Remove the rear cover. 2. Remove the cassette. 3. Disconnect the cable from the paper t

Repair information 4-53 5056-XXXDuplex removalsDuplex unit separation removal1. Remove the thumbscrews, C-clips, and screws as shown from both sides

4-54 Service Manual5056-XXX Duplex unit removal1. Remove the four screws from the interface board, and remove the board. 2. Remove the two screws fr

Repair information 4-55 5056-XXXDuplex pressure roller and solenoid removalRemove the two screws securing the pressure roller solenoid assembly.Dupl

4-56 Service Manual5056-XXX Duplex side fence motor assembly/side fence removal1. Remove the three screws, and remove the side fence motor assembly.

Repair information 4-57 5056-XXXDuplex paper carrying motor removal1. Remove the gear cover.2. Remove the screws from the duplex paper carrying moto

4-58 Service Manual5056-XXX High-capacity feeder (HCF) removalsHCF covers removal1. Remove the two screws from the drive cover, and remove the cover

Repair information 4-5 5056-XXXTransfer beltIf you replace the transfer belt, check the printer alignment (X, Y, and Theta), adjusted in diagnostic

Repair information 4-59 5056-XXXHCF call roller, paper feed roller, reverse roller removal1. Open the top cover on the tray.2. Remove the two screws

4-60 Service Manual5056-XXX HCF paper end sensor removalHCF paper size sensors (1, 2) removal1. Cover the paper level sensor with your hand, and pre

Repair information 4-61 5056-XXX8. Remove the top cover switches.HCF tray motor removal1. Remove the rear cover and the drive cover.2. Remove the tw

4-62 Service Manual5056-XXX HCF paper level sensor removal1. Remove the four screws from the transfer cover, and remove the cover.2. Remove the two

Repair information 4-63 5056-XXXFinisher removalsNote: Check finisher alignment when moving or servicing the finisher. After moving or servicing th

4-64 Service Manual5056-XXX 4. Remove the two screws from the top cover, and remove the cover.Finisher control board removal1. Remove the external c

Repair information 4-65 5056-XXXElevator motor removal1. Disconnect the elevator motor connector.2. Remove the two elevator motor bracket screws fro

4-66 Service Manual5056-XXX Hole punch removal1. Remove the external covers.2. Remove the hole punch unit cables.3. Remove the tension spring.4. Rem

Repair information 4-67 5056-XXXInverter paper exit discharge brush removal1. Remove the external covers.2. Remove the finisher control board.3. Rem

4-68 Service Manual5056-XXX 5. Remove the inverter idle gear.6. Remove the inverter drive gear and bushing.7. Remove the inverter paper exit roller.

4-6 Service Manual5056-XXX RemovalsCover, top removal1. Open the top unit, and remove the photodevelopers and toner cartridges. Cover the photodevel

Repair information 4-69 5056-XXXPath select gate removal1. Remove the external covers.2. Remove the two screws from the top cover, and remove the co

4-70 Service Manual5056-XXX Patting roller removal1. Remove the front and rear covers.2. Remove the finisher control board mounting bracket. 3. Remo

Repair information 4-71 5056-XXX8. Remove the tension springs. Use the upper hole when installing the spring.9. Remove the gear and bushing.10. Remo

4-72 Service Manual5056-XXX Power supply removal1. Unplug the power cord from the printer.2. Remove the external covers.3. Remove the lower left pan

Repair information 4-73 5056-XXXRegistration roller removal1. Remove the hole punch unit.2. Remove the registration roller clutch.3. Remove the regi

4-74 Service Manual5056-XXX Stack area discharge brush removal1. Remove the dust box.2. Remove the stack area discharge brushes.Staple unit removal1

Repair information 4-75 5056-XXXStraight paper exit discharge brush removal1. Remove the external covers.2. Remove the two screws from the top cover

4-76 Service Manual5056-XXX 6. Remove the rear straight paper exit roller E-ring and bushing.7. Remove the straight paper exit roller.

Repair information 4-77 5056-XXXTiming belts 1 and 2 removal1. Remove the finisher control board mounting bracket.2. Remove the feed motor mounting

4-78 Service Manual5056-XXX Tractor belt removal1. Remove the external covers.2. Remove the lower left panel.3. Remove the cable connector of the le

Repair information 4-7 5056-XXXFront door / operator panel removalWarning: If the operator panel and the RIP board are being replaced at the same t

Repair information 4-79 5056-XXX8. Remove the tractor belts.Note: Install the belt so that the belt tooth just under the plastic hook aligns with t

4-8 Service Manual5056-XXX 8. Remove six screws (C) that hold the operator panel to the front door.9. Remove the operator panel from the door.Note: