hp Deskjet 9xx free download

File name 9xx_disassembly.pdf

DeskJet 9xx Disassembly Procedures TABLE OF CONTENTS CASE PARTS ...1 BUSINESS TRAY FRAME ASSEMBLY ...4 INPUT TRAY ...5 PAPER MOTOR ...7 CABLE HARNESS ...9 WING FRAMES AND PAPER PUSHER ...10 POWER SUPPLY ...11 MAIN PCA ...13 BEAD FERRITE ...14 PICK FEEDROLLER ASSEMBLY ...15 SPOT SENSOR ASSEMBLY (NOT APPLICABLE FOR 94X & 92X) ...16 ENCODER STRIP / CARRIAGE ROD ...17 CARRIAGE ASSEMBLY ...18 CARRIAGE MOTOR ASSEMBLY / TURNAROUND ASSEMBLY ...20 INNER PAPER GUIDE / UPPER PAPER GUIDE ...21 FEEDROLLER ASSEMBLY ...23 PAPER DRIVE ...24 LOWER PAPER GUIDE ...25 CHASSIS ASSEMBLY ...26 HUMIDITY INTERCONNECT PCA...27 SERVICE STATION ...28 DeskJet 9xx Disassembly Procedures Case Parts 1. Remove the Rear Cleanout. 2. Lift Access Door Assembly into a vertical position and pull upwards to remove it. 3. Release inner tab and remove Nameplate from Top Case. (For 995 series: Release Bluetooth Module from Top Case by pushing on inner tab. At the far end of the Bluetooth cable, pinch connector to release, then remove module and cable) 4. Release inner tab and pull out Keypad from Top Case. 5. Detach the cable from Keypad. 2 5 3 4 1 1 DeskJet 9xx Disassembly Procedures 1. 2. 3. 4. 5. Remove two Side case Screws from Top Case on the top of the unit. Press two front latches forward to free them. Deflect two back latches on Chassis. Lift off the Top Case. Remove the Cover-Connector. 1 2 4 3 5 3 2 DeskJet

File name 9xx_exploded.pdf

DeskJet 9xx Exploded Views DeskJet 9xx Printer Accessories CREW Parts Carriage Parts & Cables Main PCA Chassis Parts Power Supply In Tray Parts Interconnect PCA Paper Path Parts Service Station Parts Case Parts & IO Parts 645590 Customer Replaceable Parts / Accessories Assy-Access Door Nameplate Print Cartridges Duplexer Assy Cleanout Power Cord Hagaki Card Loader Bumper Foot 6455901 Case Parts / IO Assy-Access Door Nameplate Cover Connector Assy-Keypad Case-Lower Left Case-Top Case-Lower Right Assy-IR (96x,99x) 6455902 Tray Parts Cover-Business Tray Business Tray Frame Assembly Extension-Output Drop Extension 6455903 Assy-Input Drawer, Business Tray Carriage Parts & Cabling Carriage Motor Cable-Flex,Head-Drive Wiring Harness Assy-Carriage PCA-Carriage Belt-Carriage Spring Rod Assy-Opto Sensor Assy-Cable, Faruq Sensor Rod-Carriage Encoder Strip Assy-Turnaround Spring-Belt Tension 6455904 Paper Path Parts ROLLER-REAR ASSY-BRACKET, PAPER MOTOR LOWER PAPER GUIDE ASSY-REAR PICK ROLLER LINK CAM-PICK SPRINGLIFTER GEAR GUARD KICKER LEVER-PRESSURE PLATE LIFTER-SEPARATOR ASSY-INNER PAPER GUIDE PINCH SPRINGS ASSY-UPR PPR GDE GEAR-FDRLR IDLER ASSY-WINGFRAME-LT ENCODER DISC SPRINGSHIFTER CABER PIN ASSY-FEEDROLLER 6455906 ASSY CLEANOUT PUSHER-PAPER ASSY-PUSHER RAIL ASSY-WINGFRAME-RT Service Station Assembly ASSY-SRVC STATION SPONGE ASSY-WIPER 6455905 SERVICE STATION MOTOR ASSY Chassis Parts BRACKET-IEC CONNECTOR CLIP-ROD MOUNT HANGER-UPPER PAPER GUIDE RAIL-UPPER ASSY-CHASSIS BACKBONE CLIP-GROUNDING,SVC STATION BUMPER FOOT 6455907

File name 9xx_tr_maint.pdf

DeskJet 9xx Maintenance and Troubleshooting Cleaning Backbone: Use water on a clean lint-free cloth. Dry carefully, parts left damp may rust. Carriage rod: Cleaning is not recommended. If extremely dirty, wipe with a clean lint-free cloth. Use no water or solvents. Encoder strip: Wipe left to right (viewed from front) with a clean lint-free cloth. Do not pull hard on the strip. Drive roller: Use water on a clean lint-free cloth. Do not use solvents. Pivot assembly: Use water on a clean lint-free cloth. Dry carefully. Print cartridge contacts: Use water on a lint-free cloth. Case Parts: Use mild detergents such as PK 200 or Simple Green with water on a clean lint-free cloth. Solvents and water on a clean lint-free cloth can be used to remove stubborn fingerprints, etc., on external case parts. Paper dust: It is recommended that vacuuming be used to remove paper dust from inside the printer, not compressed air. 6429921C IMPORTANT Do not clean the following: Pinch rollers, drive belt, service station (except as otherwise noted), PCA and other electronics such as cables and motors. Bonnet: Use a dry cotton swab only. If deposits are bad in the wiper scraper area, use water or alcohol on the cotton swab. Replace wiper assembly in all repairs. Cleaning (Duplexer) Two-sided Printing Module: Check for ink on connector to module. If ink is present, wipe clean with a clean lint-free cloth. 6429927C Lubrication (Carriage Rod) Lubrication: Cleaning the Carriage Rod is not recommended. If, however, the Carriage Rod was wiped clean, replace the felt washers on the Carriage Assembly. The Felt Washers are impregnated with oil to provide the necessary lubrication for the Carriage Rod. 6429924C Front Panel Internal Self Tests Listed below are the Front Panel Internal Self Tests (also known as Tap Tests) supported by DeskJet 9xx Printer Family firmware and what they do. All tap tests are invoked by holding the power button down while pressing the resume button the specified number of times. The cancel button equals ten button presses; so if you need to do a 41-tap test, for example, hold the power button down while pressing the cancel button four times and the resume button once. Taps 1 2 3 4 Models All All 93x,95x,96x,97x,99x All All All 92x,93x,94x,95x,97x All 92x,93x,94x,95x,97x All All 96x,99x 92x,93x,94x,95x,97x All All All 93x,95x,96x,97x,99x All except 92x 96x,99x 995 All 96x,99x 995 995 93x,95x,97x 96x,99x 995 995 What it Does Marketing Demo Memory Test (No print out) Calibration Page (OTOE auto pen alignment) Internal Self-Test Firmware Revision Code (No print out) Last Error Number (No print out) Manufacturing line test Infinite Hs 4x6 Manufacturing line test Paper Calibration Page Extended Self-Test (NVM dump) Paper Motor Calibration Procedure Toggle P1284 Kick (No print out) Level 1 Pen Recovery (Mini mop) (No print out) Level 2 Pen Recovery (Slow mop) (No print out) Level 3 Pen Recovery (Spit on wipers) (No print out) Pen Alignment Page

File name dj9xxchk.pdf

For all 9xx printers Check the Print Cartridges Verify that the rear access cleanout or 2 sided printing module is installed Plug in the printer. Turn on the printer. Open the access door and the carriage will move to the center. Verify the print cartridges are installed. Verify the print cartridges are OK by noting the icon they point to. If a problem is indicated, verify that the correct print cartridges are installed. If a problem is indicated, verify that all tape has been removed from the print cartridges. Access Door Encoder Strip 2 Sided Printing Module Print cartridges OK Black print cartridge low on ink Color print cartridge low on ink Problem with black print cartridge Problem with color print cartridge Print Cartridge Light Resume Light Power Light Rear Access Cleanout Assemby Output Tray Input Tray Power Button Resume Button Cancel Button Length Adjuster Width Adjuster Check the Printer Pull out the input tray and remove any paper. Remove the rear access cleanout or 2 sided printing module. Look for a paper jam between the rubber rollers. Remove any paper that may have jammed in the rollers both in back and in front of the printer. Re-inst the rear access cleanout or 2 sided printing module, ensuring it is fully locked into position. all Check the Self-Test Print Out Load paper correctly, set length and width adjusters. Close the access door. Ensure the input tray is pushed into the printer all the way. Plug in the printer and turn it on. Power light should be on. Create a self test. 1. Press and hold the (Power) button 2. Press the (Resume) button 3. Release the (Power) button. Watch the printer for smooth paper feed and check the output for missing nozzles. (incomplete text or graphics) If attached, test the 2 sided printing module. 1. Press and hold the (Power) button 2. Press the (Cancel) button 3 times 3. Press the (Resume) button once 4. Release the (Power) button If you successfully printed a self-test page with good print quality, the printer is OK. If not, the easy steps listed in Section 4 often solve the problem. For all 9xx printers Poor Print Quality? Printout has fine ink streaks. Printout has fine white lines. Check the print cartridge nozzles for ink and debris. Clean the nozzles using a lint Free swab moistened with distilled water. Connect the printer to a host PC and execute the cleaning routine found in the "Printer Services" tab in the "HP DeskJet Series Toolbox" Printer Does Not Print? Printer has no power. Printer feeds paper but does not print. Power light on, but does not print. Remove power from the printer for 15 seconds and restore power. Ensure the Power cord is firmly plugged into the printer and an active power source. Turn the printer off and on twice. Connect the printer to a host PC and execute the cleaning routine found in the "Printer Services" tab in the "HP DeskJet Series Toolbox". Open the access door and verify the carriage moves and points to the If the carriages points at the If the