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Service Manual

4403-XXX

Preface

This manual and contains maintenance procedures for service 
personnel. It is divided into the following chapters:

1. General Information contains a general description of the 

printer and the maintenance approach used to repair it. Special 
tools and test equipment are listed in this chapter, as well as 
general environmental and safety instructions.

2. Diagnostic Information contains an error indicator table, 

symptom tables, and service checks used to isolate failing field 
replaceable units (FRUs).

3. Diagnostic Aids contains tests and checks used to locate or 

repeat symptoms of printer problems.

4. Repair Information provides instructions for making printer 

adjustments and removing and installing FRUs.

5. Connector Locations uses illustrations to identify the 

connector locations and test points on the printer.

6. Preventive Maintenance contains the lubrication specifications 

and recommendations to prevent problems. 

7. Parts Catalog contains illustrations and part numbers for 

individual FRUs.

Содержание X83

Страница 1: ...can Print Copy Lexmark and Lexmark with diamond design are trademarks of Lexmark International Inc registered in the United States and or other countries Table of Contents Index Safety and Notices Tra...

Страница 2: ...2 740 West New Circle Road Lexington Kentucky 40550 U S A or e mail at ServiceInfoAndTraining Lexmark com Lexmark may use or distribute any of the information you supply in any way it believes appropr...

Страница 3: ...ly Service Check 2 8 Gear Train Assembly Service Check 2 9 Maintenance Station Service Check 2 10 Paper Feed Service Check 2 11 Paper Path Service Check 2 13 Power Service Check 2 14 Print Quality Ser...

Страница 4: ...val 4 11 ASF Module Removal 4 12 System Board Removal 4 12 Carrier Removal 4 13 Encoder Strip Removal 4 13 Maintenance Station Removal 4 13 Belt Idler Pulley Assembly Print Engine Removal 4 14 Connect...

Страница 5: ...ssembly and servicing of this product Professional service personnel should understand this and take necessary precautions Consignes de S curit La s curit de ce produit repose sur des tests et des agr...

Страница 6: ...a pi elevato Il personale di assistenza autorizzato deve quindi adottare le precauzioni necessarie Sicherheitshinweise Die Sicherheit dieses Produkts basiert auf Tests und Zulassungen des urspr nglich...

Страница 7: ...aci n de la m quina El personal cualificado debe ser consciente de este peligro y tomar las precauciones necesarias Informa es de Seguran a A seguran a deste produto baseia se em testes e aprova es do...

Страница 8: ...estions de seguretat si s utilitzen peces de recanvi no autoritzades La informaci pel manteniment d aquest producte est orientada exclusivament a professionals i no est destinada a ning que no ho sig...

Страница 9: ...Safety Information ix 4403 XXX...

Страница 10: ...ns an error indicator table symptom tables and service checks used to isolate failing field replaceable units FRUs 3 Diagnostic Aids contains tests and checks used to locate or repeat symptoms of prin...

Страница 11: ...d into a single unit print cartridge available as a customer replaceable supply item Dual printheads provide color and true black printing without changing printheads The number and size of inkjets or...

Страница 12: ...ine Art 1 Bit Per Pixel Scan Method One Pass Scanning Scan Area 8 5 X 11 7 inches 216 X 292 mm Scan Resolution Optical 600 dpi H X 1200 dpi V Interpolated 19 200 X 19 200 Resolution Quality Applicable...

Страница 13: ...General Information 1 3 4403 XXX Operator Panel...

Страница 14: ...oll through menu sub categories Menu Change settings using the menus Select Choose the displayed selection Quality Choose photo quick or normal copy setting Color Copy Make a color copy Black Copy Mak...

Страница 15: ...information in this manual leads you to the correct field replaceable unit FRU or part Use the symptom index service checks and diagnostic aids to determine the symptom and repair the failure After y...

Страница 16: ...d of Form ESD Electrostatic Discharge FPC Flat Printhead Cable FRU Field Replaceable Unit HVPS High Voltage Power Supply LCD Liquid Crystal Display LVPS Low Voltage Power Supply OEM Original Equipment...

Страница 17: ...ice CCD moves to the left then returns to the right The paper feed motor runs then stops The carrier moves to the left then returns to the right stopping at the maintenance station The Photo and Quick...

Страница 18: ...to the Paper Feed Service Check on page 2 11 Carrier does not move Go to the Carrier Transport Service Check on page 2 6 Carrier slams side frame Go to the Carrier Transport Service Check on page 2 6...

Страница 19: ...Maintenance station Fails to cap the printheads Fails to clean the printheads Go to the Maintenance Station Service Check on page 2 10 Symptom Action Buttons do not work LCD does not display Check ope...

Страница 20: ...e 4 12 Symptom Action CCD does not move Lamp does not light Go to the CCD Module Assembly Service Check on page 2 8 The operator panel displays Unlock Scanner Go to the Gear Train Assembly Service Che...

Страница 21: ...eed Service Check on page 2 11 Paper skews Go to the Paper Path Service Check on page 2 13 Symptom Action No power in machine motors do not operate Go to the Power Service Check on page 2 14 Symptom A...

Страница 22: ...or Check the motor for binds or loose motor pulley A noisy or chattering motor or a motor that fails to turn can be caused by An open or short in the motor An open or short in the motor driver on the...

Страница 23: ...e Removal on page 4 14 Lubricate carrier to carrier frame engagement with grease P N 99A0394 6 Printhead Carrier Assembly Disconnect the printer and check the carrier printhead connector J4 If the con...

Страница 24: ...to the Gear Train Assembly Service Check on page 2 9 If lamp does not come on as CCD module assembly is scanning or moving check connector JP3 on the system board If connected and the lamp still does...

Страница 25: ...ear Train Assembly Removal on page 4 6 If the reading is correct check at pins 1 through 6 for approximately 29 volts with the machine turned on If the voltage is incorrect replace the system board Go...

Страница 26: ...e printhead Carrier movement to the left uncaps the printhead The wiper cleans the printhead nozzles as the carrier leaves the maintenance station The wiper cleans the printhead only when the carrier...

Страница 27: ...h paper in the sheet feeder Be sure the correct type of paper is being used Check for static in the paper FRU Action 1 System Board Run the Power On Self Test POST Sequence on page 2 1 Replace parts a...

Страница 28: ...rward direction only the paper feed motor turns in two directions If the paper feed motor turns in one direction only replace the system board Go to the System Board Removal on page 4 12 Binds in the...

Страница 29: ...sure the correct type of paper is being used Be sure the printer is installed on a flat surface FRU Action 1 Large and Small Feed Rollers Check for wear and binds 2 Small Feed Roller Springs Check for...

Страница 30: ...per Feed Motor Carrier Transport Motor Operator Panel Unplug the printer Disconnect the printhead cable and plug in the printer Look for a symptom change Check the failing part for shorts and replace...

Страница 31: ...he printhead cable in the system board and check the following parts for wear or damage Printhead Cartridge Latch Latch Spring Carrier 4 System Board Printhead Carrier Assembly Perform the Test Page o...

Страница 32: ...ids can be caused by problems in the carrier transport area Check the following Carrier transport belt for wear Carrier guide rod for wear or dirt If dirty clean and lubricate Carrier to carrier frame...

Страница 33: ...s to make the adjustment From the operator panel From the Lexmark Scan and Copy program Check to see if there is any dust deris on the glass This may cause a poor image Check the press plate on the sc...

Страница 34: ...2 18 Service Manual 4403 XXX...

Страница 35: ...paper in the sheet feeder 6 Press the Menu button 7 Press arrow to maintenance 8 Press Select 9 Press arrow to self test 10 Press the Select button and test will run The printer prints four lines of b...

Страница 36: ...3 2 Service Manual 4403 XXX...

Страница 37: ...m ground point This discharges any static electricity in your body to the machine Hold the ESD sensitive part by its edge connector shroud cover do not touch its pins If you are removing a pluggable m...

Страница 38: ...rocedures The following procedures are arranged according to the name of the printer part discussed CAUTION Unplug the power cord before removing any parts Releasing Plastic Latches Many of the parts...

Страница 39: ...4403 XXX Scanner Lid Assembly Removal 1 Open the lid 2 Lift and remove Rear Cover Removal 1 Remove two screws A from the rear cover 2 Depress two latches B on the bottom of the rear cover 3 Lift the...

Страница 40: ...ft the operator panel and remove Top Housing Assembly Removal 1 Remove the scanner lid 2 Remove the rear cover 3 Disconnect the operator panel cable from the system board 4 Remove the operator panel 5...

Страница 41: ...sembly Removal 1 Remove the rear cover 2 Disconnect the CCD cable from the system board 3 Remove the top housing assembly 4 Depress the shaft retainer A 5 Lift and remove the shaft 6 Remove the belt f...

Страница 42: ...r train assembly cable from the system board 3 Remove two screws A 4 Lift and remove the gear train assembly Access Cover Sensor Removal 1 Remove the top housing assembly 2 Disconnect the access cover...

Страница 43: ...XXX Right Cover Removal 1 Remove the rear cover 2 Depress two latches A 3 Remove the right cover Access Cover Removal 1 Remove the rear cover 2 Remove the right cover 3 Depress the access cover hinge...

Страница 44: ...4 8 Service Manual 4403 XXX Left Cover Removal 1 Remove the rear cover 2 Depress two latches A 3 Remove the left cover...

Страница 45: ...Remove the scanner lid assembly 2 Remove the rear cover 3 Remove the top housing assembly 4 Disconnect the operator panel and CCD cables from the system board 5 Remove left and right covers 6 Remove...

Страница 46: ...4 10 Service Manual 4403 XXX 8 Depress the two clips B and slide the middle frame forward to remove...

Страница 47: ...ine Removal 1 Remove the rear cover 2 Remove the top housing assembly 3 Remove the left cover 4 Remove the right cover 5 Remove the middle frame 6 Move carrier to the center 7 Remove three screws B 8...

Страница 48: ...3 Remove the ASF module System Board Removal 1 Remove the print engine 2 Remove the ASF module 3 Disconnect the transport and paper feed motor cables from the system board 4 Remove the four screws 5 R...

Страница 49: ...gear 7 Remove both retainer clips from the carrier shaft 8 Remove the shaft and carrier Note Keep dirt and grease off the encoder strip Observe orientation of the encoder strip to the sensor located...

Страница 50: ...Pulley Assembly Print Engine Removal 1 Remove the middle frame 2 Slide the carrier to the left 3 Loosen the belt tensioner adjuster screw 4 Depress the belt tensioner and remove the belt from the pull...

Страница 51: ...ions 5 1 4403 XXX 5 Connector Locations Units Description J4 Printhead Cable J5 Paper Feed Motor J6 Carrier Transport Motor J7 Scanner Motor J8 Operator Panel J10 Cover Sensor PS1 End of Forms Sensor...

Страница 52: ...5 2 Service Manual 4403 XXX...

Страница 53: ...replaced or as needed not on a scheduled basis Use grease P N 99A0394 to lubricate the following All gear mounting studs The left and right ends of the large feed roller at the side frames The carrier...

Страница 54: ...6 2 Service Manual 4403 XXX...

Страница 55: ...ommon parts are shown by one index number Parts peculiar to one or the other of the assemblies are listed separately and identified by description NS Not Shown in the Asm Index column indicates that t...

Страница 56: ...7 2 Service Manual 4403 XXX Assembly 1 Covers...

Страница 57: ...56P1272 1 Base Assembly X85 4 12G6135 1 Cover Right 4 56P1270 1 Cover Right X85 5 12G6133 1 Cover Access with Latch 5 56P1268 1 Cover Access with Latch X85 6 12G6139 1 Paper Exit Tray 6 56P1273 1 Pap...

Страница 58: ...7 4 Service Manual 4403 XXX Assembly 1 cont Covers...

Страница 59: ...on 1 1 12G6129 1 Scanner Lid Assembly 1 56P1266 1 Scanner Lid Assembly X85 2 12G6136 1 Paper Support ASF 2 56P1271 1 Paper Support ASF X85 3 12G6126 1 Top Housing Assembly 3 56P1262 1 Top Housing Asse...

Страница 60: ...7 6 Service Manual 4403 XXX Assembly 2 Paper Feed Frame and Carrier Transport...

Страница 61: ...dex Part Number Units Description 2 1 12G6121 1 ASF Module 1 56P1260 1 ASF Module X85 2 12G6120 1 Printing Engine 3 12G6151 1 Encoder Strip with Clip 4 12G6123 1 Idler Pulley Assembly 5 12G6149 1 Belt...

Страница 62: ...7 8 Service Manual 4403 XXX Assembly 3 Electronics 1 2 3 4 5 6...

Страница 63: ...CCD 2 12G6125 1 Gear Train Assembly 3 12G6130 1 Operator Panel Assembly 3 56P1267 1 Operator Panel Assembly X85 NS 12G6131 1 Operator Panel Overlays 4 56P1263 1 Board System X85 4 12G6159 1 Board Sys...

Страница 64: ...7 10 Service Manual 4403 XXX...

Страница 65: ...Number of Copies button 1 4 O Operator Panel 1 3 P Paper Type button 1 4 Parts Catalog Carrier Transport 7 6 Covers 7 2 Electronics 7 8 Frame 7 6 Paper Feed 7 6 Plastic Latches 4 2 Power button 1 4 Po...

Страница 66: ...Quality 2 17 Specifications Scanner 1 2 Start 2 1 Symptom Table POST 2 2 Symptom Tables 2 3 T Table of Contents iii Test Page 3 1 Part Numbers 12G6120 7 7 12G6121 7 7 12G6122 7 5 12G6123 7 7 12G6125 7...

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