deskjet 9xx service manual
Contents
1. 4 Rotate Pressure Plate Lever upwards to lift out 5 Raise side tab on Separator Lifter slide to the left then lift out 24 DeskJet 6 1 xx Disassembly Procedures Lower Paper Guide To free Lower Paper G uide deflectlatches on both sides with a screw driver Tilt Lower Paper G uide backward and lift it out Lift out Separator Pad Lift out Separator Peg Remove Spring from Peg Lift out Rear Rollers and remove Rear Roller Springs Rotate Kicker and flex around tab to lift out aD 25 DeskJet 6 1 xx Disassembly Procedures Chassis Assembly T Remove one screw on right side and two screws on vertical face which secures the Backbone Tiltand liftaway Backbone Remove four screws black and silver taptite on top of Backbone to remove Upper Rail Remove two screws securing IEC Bracket and Cleanout Flag Stop from Upper Paper G uide Hanger Uftand flex Upper Paper Guide Hanger to remove it from C hassis 26 DeskJet 6 1 xx Disassembly Procedures Interconnect PCA 1 Remove screw which connects Humidity Interconnect PCA to Chassis and remove PCA DeskJet 6 1xx Disassembly Procedures Service Station 1 Deflecttab on right and lift out Service Station 2 Pry out G rounding Clip from the Chassis using a small screw driver 282. 4 Gently pull upward on the Input Tray until the tabs have disengaged Remove the Input Tray DeskJet 6 1xx Disassembly Procedures Input Tray 1 Slide Assembly W idth Adjuster to far right 2 Uftup top end of W idth Adjuster so that it clears the lip of the tray 3 Continue pushing the lifted assembly to the rightto remove it from the tray 1 Slide Length Adjuster towards the back of the tray until itis positioned halfway between the front and back Then remove Length Adjuster by lifting up its back edge with a screwdriver while pushing itinto the tray 2 Continue to push until it clears the tray DeskJet 6 1xx Disassembly Procedures Paper Motor Disconnect C able Harness from Paper M otor Drive and Paper Encoder PC A Remove Cable tie by compressing with needle nose pliers Remove screw that holds Paper M otor Drive Assembly in place Release the bearing connecting Paper M otor Drive to Feedroller Assembly by rotating it forward to unlatch it 5 Lift Paper M otor Drive Assembly out of C hassis WN DeskJet 6 1xx Disassembly Procedures 1 Remove T 8 Taptite Screw which secures Encoder to assembly Lift off Encoder G uide and 2 Remove the two T 8 Screws holding the Paper M otor Assembly to the M otor Bracket Remove Paper M otor and Idler Assembly 3 Remove the Paper Belt 4 Remove the Stealth C luster G ear DeskJet 6 1xx Disassembly Procedures
3. e ete sten 25 CHASSIS ASSEMBLY DURO Ru RM CUL ERU DR 26 HUMIDITY INTERCONNECT POR sesso v eG Na Ra e cab Sa a OR RR ec la e e 27 SERVIGE e PRETI 28 DeskJet 6 1xx Disassembly Procedures Case Parts 1 Remove the Rear C leanout 2 Liftthe Access Door Assembly into a vertical position and pull upward to remove it 3 Release the tab from underneath the unit and remove the Right Trim from the lower right side of the unit 4 Repeat step 3 for Left Trim on the lower left side DeskJet 6 1xx Disassembly Procedures Remove two Side Case Screws from Top Case on top of the unit Using a screwdriver gently pry up on the top tab of the Right Side Case Rotate the Right Side Case downward until the bottom tabs can be released Detach the cable from the Keypad Repeatsteps 6 and 7 to remove the left Side Case Ono Ui DeskJet 6 1xx Disassembly Procedures 10 Gently pry out the tabs on the lower left and lower right front of the Top Case then lift to remove 11 Remove the Cover onnector DeskJet 6 1xx Disassembly Procedures Input Tray Assembly 1 utput Tray Assembly slide it forward and remove it from the Input Tray 2 Locate the screw in the centerrear of the Input Tray and remove DeskJet 6 1xx Disassembly Procedures Input Tray Assembly 3 Rotate unit upward so it rests on its back Using a screwdriver press through the slotin the bottom of the unit to release the tab
4. Cable Harness Facing the back of the unit free Cable Harness Assembly from right side of unit Disconnect cable from C arriage M otor and M ain Disconnect cable from H umidity PCA and Power Supply PCA Disconnect cable from Service Station M otor and C hassis liftaway Cable Harness Assembly mm BPW Note Handle connectors rather than wires when disconnecting Cable Harness Assembly DeskJet 6 1 xx Disassembly Procedures W ing Frames and Paper Pusher 1 Release the two tabs that connect the Right W ingframe Assembly to the C hassis Lift W ingframe up and away Repeat steps for Left W ingframe Assembly Release tab and remove Pin Linkage Assembly that connects Pick G ear to Paper Pusher Assembly by sliding itto the left Raise and lift out Paper Pusher 10 DeskJet 6 1 xx Disassembly Procedures Power Supply 1 Rotate printer so that you are facing the back of the unit Make sure that Power Cord is disconnected at this time because there may be dangerous voltage applied Use slip joint or needle nose pliers to squeeze in plastic latches on either side of the AC Connector to release cable from IEC Bracket 2 Remove Power Supply PCA mounting screw 3 Release tab connecting Housing to Backbone by pressing itin with a screwdriver from the opposite side of the printer Slide Housing to the right and lift out 11 DeskJet 6 1xx Disassembly Procedures 1 Deflecttab on left side of Power S
5. DeskJet 6 1 xx Disassembly Procedures Invent TABLE CON TEN TS CASE PARIS Ucet bui Veo eT EET Do Be HAC DERE PO dC Ca Pow eb VOR PORE D DE 1 INPUT TRAN A eV DA 4 IN PUT TRAY UA SSEM t e GR a CT PD RC E ROC CHR E ew tins 5 IN PUT TRES Foie pH Pietra Ear 240035 24025155418 PRU EE DUIS 6 PAPER MEO TO Rossi b uro A eco VEL et o re E 7 CABE HARNESS us recen rec a e eei a e erre e erba 9 W ING FRAMES AND PAPER PUSHER sscccvsevccvsvsccvesveevseseuvsnsseneeseuerssevensuenenseuevess 10 POWER SUPPE vitac evi ida i A ve o T UR Pe EE urbt Ee 11 13 BEAD FERRITE e r rase e et borde evo dae vede da en 14 PICK PEEDROTIERUNSSEM BEY e Ye Fe CPRCE TUNE NE PORA VC EYE T PvE SUY 15 SPOT SENSOR ASSEMBLY NOTAPPLICABLE FOR 94x amp 92 16 ENCODER STRIP CARRIAGE ROD dedo ERO Pid ra rip SUM 17 CARRIAGE ASSEMBLY i b CHE it PvE e t 18 CARRIAGE MOTOR A SSEMBLY TURNAROUND ASSEMBLY 20 INNER PAPER GUIDE UPPER PAPER GUIDE eem eem 21 FEEDRO LER ASSEM eo a e Pr V e Cr bid WE RE 23 PAPER DRIV E eri Oeil SEO Cv Ci Ro PER GC D e otia dne P cra dp 24 Io ER PAPER GUIDE dextrae irt aal et eae s
6. t to release it from Backbone and lift it out Slide Carriage Rod out of Carriage Assembly Remove two Rod M ount Clips by rotating them 90 degrees and removing them from C hassis The Encoder Spring will detach when Carriage Rod is removed Pull spring away from C hassis to release tabs N 0 122 AN 4 M 22 17 DeskJet 6 1xx Disassembly Procedures Carriage Assembly Remove Belt Tension Spring to slip Carriage Belt off of C hassis Feed Flex Head Driver Cable through Backbone from back to front Flex cable to free tabs from Backbone Remove Carriage Assembly WN 18 DeskJet 6 1xx Disassembly Procedures 1 Flex cable to remove from tabs on Carriage Assembly then disconnect cable from Carriage PCA and Slider Flex Belt to remove it from Belt Attach Base not shown 2 Remove two screws connecting Slider to C arriage Assembly 3 Remove three screws securing Belt Attach Assembly to Carriage Assembly and then remove Belt Attach Assembly Remove Belt Attach Tower from base Remove Belt Attach Beam from tower 4 Carriage PCA will be released when Belt Attach Assembly is removed Lift it away Remove ESD Springs from blades 6 Remove Felt Retainer by prying itaway with knife or sharp object Remove Felt Lubrication DeskJet 6 1 xx Disassembly Procedures Carriage Motor Assembly Turnaround Assembly 1 Remove two screws which secure Carriage M otor
7. to Backbone 2 liftout Carriage M otor 3 Slide Turnaround Assembly to the left while depressing tab on back and lift out 20 DeskJet 6 1xx Disassembly Procedures Inner Paper Guide Upper Paper Guide L 2 d Deflect tab on right side of Inner Paper G uide Assembly Slide assembly to the left and lift out Remove Pinch Springs which secure Upper Paper G uide Use caution when handling the Upper Paper Guide it breaks easily Pull Upper Paper G uide backwards until it drops free of Upper Paper G uide Hanger and remove DeskJet 6 1xx Disassembly Procedures 1 Twistand lift out DO O PS Flag from Upper Paper G uide 2 Rotate O O PS Flag downward and lift out gently 3 Slide Pinch Rollers sideways and lift them out of guide 22 DeskJet 6 1xx Disassembly Procedures Feedroller Assembly Grasp Caber Pin with needle nose pliers and pull it forward until it snaps out Lift out Shifter Spring Release left Polar Bearing by rotating it forward Release right Polar Bearing using screw driver Lift out Feedroller Assembly WN eR Snap Pivot away from Feedroller If necessary remove Encoder Disk by peeling it off N ote The Encoder Disk is a one time use part If removed it must be replaced 23 DeskJet 6 1xx Disassembly Procedures Paper Drive 1 Detach Lifter Spring from Chassis 2 Deflect side latch and pull off Kick Cam 3 Uft off Feedroller Idler G ear
8. upply Housing 2 Slide Power Supply PCA out of Housing 12 DeskJet 6 1xx Disassembly Procedures Main PCA 1 Detach Flex Head Driver Cable from M ain PCA 2 Remove two screw s 3 LiftoutM ain PCA Assembly 13 DeskJet 6 1 xx Disassembly Procedures Bead Ferrite 1 Deflecttab which holds Ferrite Clip in place 2 Push Clip through to other side of unitand remove it 3 Slide Ferrite off of Flex Head Driver Cable DeskJet 6 1xx Disassembly Procedures Pick Feedroller Assembly l 2 3 Press tabs on the top and bottom of Gear G aurd to rock it out of the slot Remove G ear G aurd Rotate Polar Bearing on right side forward to release Rotate Polar Bearing on left side forward by reaching through C hassis Lift out Pick Feedroller Assembly DeskJet 6 1xx Disassembly Procedures Spot Sensor Assembly not applicable for 94x amp 92x 1 Remove screw which secures ESD Cover to Carriage Assembly 2 Disconnect Spot Assembly Cable from Carriage PCA 3 Unplug Spot Assembly Cable from Spot Sensor Assembly 16 DeskJet 6 1xx Disassembly Procedures Encoder Strip Carriage Rod N e cU A Release Encoder Strip from catch on right end of C hassis Release from Encoder Spring on left end of Chassis and remove from Carriage Assembly Remove two Special Screws which hold the Carriage Rod to the C hassis Push Carriage Rod to righ
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