Lexmarkメーカー1020の使用説明書/サービス説明書
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4078-00X Color Jetprinter™ 1020 Le xmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or other countries.
Second Edition (Jul y , 1996) The follo wing paragr aph does not apply to the United Kingdom or any country where such provisions are inconsistent with local la w: LEXMARK INTERNA TIONAL, INC .
iii 4078-00X Contents 1 P r e f a c e ................................................ v S a f e t yI n f o r m a t i o n ..................................... v G e n e r a lI n f o r m a t i o n .................................... 1 - 1 P o w e rC o n s u m p t i o n.
iv 4078-00X R e p a i rI n f o r m a t i o n ...................................... 4 - 1 Handling ESD-Sensitive Parts .......................... 4 - 1 A d j u s t m e n t s ........................................ 4 - 2 R e m o v a lP r o c e d u r e s.
Preface v 4078-002 Preface 2 This manual is divided into the f ollowing chapters: 1. General Information contains a gener al 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 en vironmental and saf ety instructions.
vi 4078-00X Sicherheitshinweise • Die W ar tungsinf or mationen für dieses Produkt wurden zur V erwendung durch einen Wartungsfachmann entwic kelt und sollten nicht von anderen benützt w erden.
Preface vii 4078-002 P autas de Seguridad • La inf ormación sobre el mantenimiento de este producto fue escrita para el personal de mantenimiento cualificado y no para cualquier otro usuario . • Existen ma yores riesgos de descargas eléctricas y daños personales durante el desmontaje y la reparación de la máquina.
viii 4078-00X Chinese Safety Inf ormation K o rean Saf ety Info rmation.
General Information 1-1 4078-00X 1. General Inf ormation The Color Jetprinter TM 1020 pr inter is a personal, near laser-quality inkjet printer . The print car tridge is a single-unit customer replaceable supply item. A single printhead provides three colors and composite blac k pr inting.
1-2 4078-00X Abbreviations Unique T ools Required For Ser vice P arallel Wr ap Plug P/N 1319128 ESD Electrostatic Discharge FR U Field Replaceable Unit HVPS High V oltage P ower Supply L VPS Low V olt.
Diagnostic Inf ormation 2-1 4078-00X 2. Diagnostic Inf ormation Use the error indicator table , symptom tables , service checks, and diagnostic aids in chapter 3, to deter mine the f ailing par t. Start Ser vice error indications sho w as a series of flashes of the P ow er On light.
2-2 4078-00X Error Indicator T able P ower-On Self T est (POST) Sequence When you turn the printer on it performs a POST . T ur n y our machine on and check f or a correct POST operation by observing the f ollowing: 1. The lights come on. 2. The carrier mov es.
Diagnostic Inf ormation 2-3 4078-00X POST Symptom T able Symptom Action No P ower On light and no motors run Go to the “P ow er Service Check” on page 2-12 . P ower light, but no busy light Replace the system board. P aper f eed gears do not turn Go to the “P aper F eed Service Check” on page 2-9 .
2-4 4078-00X Symptom T ables Locate the symptom in the f ollowing tab les and tak e the appropriate action. Carrier T ranspor t Prob lems Communications Pr oblems Maintenance Station Prob lems Operato.
Diagnostic Inf ormation 2-5 4078-00X P aper Feed Prob lems Pow e r P ro b l e m s Print Quality Prob lems Symptom Action • F ails to pick paper • Picks more than one sheet of paper • Picks paper b ut f ails to f eed • P aper jams • P aper f ails to e xit • Noisy paper f eed Go to the “P aper F eed Ser vice Check” on page 2-9 .
2-6 4078-00X Service Checks Carrier T ranspor t Service Check FRU Action 1 System Board Check the motor f or binds, or loose motor pulley . T urn the pr inter off and disconnect CN4 from the system board.
Diagnostic Inf ormation 2-7 4078-00X En velope Feed Ser vice Chec k 6 Home P osition Sensor Pe r f o r m t h e “ E O Fa n dH o m eP o s i t i o nS e n s o r s Te s t ” o n p a g e 3 - 2 , to check the Home P osition Sensor . If you cannot enter the test, replace the system board.
2-8 4078-00X Maintenance Station Service Check The maintenance station has two functions: 1. Cleans the printhead nozzles dur ing the print operation. 2.
Diagnostic Inf ormation 2-9 4078-00X P aper Feed Service Check If your machine does not ha v e paper jam probl ems, continue with the ser vice chec k. If y our machine does hav e a paper jam prob lem, e xamine it f or the f ollowing before y ou begin the service check: • Check the entire paper path f or obstr uctions .
2-10 4078-00X 2 P aper F eed Motor A noisy or chattering motor or a motor that fails to turn, can be caused by: • An open or shor t in the motor • An open or shor t in the motor driver on the syst.
Diagnostic Inf ormation 2-11 4078-00X P aper P ath Ser vice Chec k Examine the machine f or the f ollo wing bef ore y ou begin this ser vice check: • Check the entire paper path f or obstr uctions . • Be sure the correct type of paper is being used.
2-12 4078-00X P arallel P or t Service Check P ower Service Check FRU Action 1 P arallel P or t Run a test page to be sure the printer can print. Run the “P arallel P or t T est” on page 3-4 .
Diagnostic Inf ormation 2-13 4078-00X Print Quality Service Check FRU / Function Action 1 Print Car tridge Be sure the machine contains a good print car tridge.
2-14 4078-00X 5 Maintenance Station Intermittent nozzle failures can be caused b y worn par ts in the maintenance station. P erform the “Maintenance Station Ser vice Chec k” on page 2-8 , then retur n to this chec k. 6 P aper F eed Ink smudging and smearing can be caused by paper problems or prob lems in the paper f eed area.
Diagnostic Inf ormation 2-15 4078-00X Print Quality Notice Printers are shipped with three different carrier transpor t motors displa ying a label which reads either NMB(NMB), Airpax(APX) or Mitsumi(MZM). The label on the motor should match the motor ID in NVRAM.
Diagnostic Aids 3-1 4078-00X 3. Diagnostic Aids Use these diagnostic test procedures to verify a repair . The test procedures are entered by pressing and holding a b utton, or b uttons, as you turn on the printer . T o begin the test, hold the buttons until both the operator panel lights come on and then release the buttons after fiv e seconds.
Diagnostic Aids 3-2 4078-00X EOF and Home P osition Sensors T est This test allows the servicer to test the function of the End-of-Form and Home P osition sensors. To r u n t h e t e s t : 1. With the printer off and the End-of-Form Flag out of the s ensor , press and hold the f ollowing b uttons while turning the pr inter on: 2.
3-3 4078-00X Initialize Error Log This test trac ks inter mittent errors . Use this procedure to reset the error log to zero . The error log is especially helpful in diagnosing inter mittent or difficult prob lems. The test is complete when power is turned off .
Diagnostic Aids 3-4 4078-00X Pa r a l l e l P o r t Tes t This test performs a wrap around test between the printer parallel por t and the parallel por t test connector . This test requires a parallel por t wrap plug. Install the wr ap plug in the parallel por t bef ore you star t the test.
3-5 4078-00X Print NVRAM Contents T h i st e s tp r i n t st h ec o n t e n t so fN V R A M ,w h i c hc a nb eu s e df o r diagnostic pur poses . To r u n t h e t e s t : 1. Install a blac k print car tridge. 2. Place a sheet of paper in the sheet f eeder f ar enough to push the End-of-F orm flag out of the sensor .
Diagnostic Aids 3-6 4078-00X Reset NVRAM to EMEA Defaults This test resets the user def aults area of NVRAM to the EMEA f actory defaults. The page count and the error log do not change . Note: F actor y defaults are initially set to USA. To r u n t h e t e s t : 1.
3-7 4078-00X Reset NVRAM to USA Defaults This test resets the user defaults area of NVRAM to the USA f actory def aults. The page count and the error log do not change .
Diagnostic Aids 3-8 4078-00X T est P age This test prints the test page. T o run a complete test page of blac k and color patterns, be sure the print car tr idge is in good condition. Install a b lac k print car tr idge . T o enter the test: • Press and hold the P aper F eed button while turning the printer on.
Repair Information 4-1 4078-00X 4. Repair Inf ormation This chapter e xplains how to mak e adjustments to the printer and how to remo v e def ectiv e par ts .
Repair Information 4-2 4078-00X Adjustments The user is directed, in the Printer Control program, to perf orm the bidirectional alignment adjustments after replacing a print car tridge. Remo v al Pr ocedures The f ollowing procedures are arr anged according to the name of the printer par t discussed.
4-3 4078-00X Access Cover R emov al 1. Open the access cov er . 2. Push the mounting tabs towards the center of the machine . 3. Remov e the access cov er . Base Assembl y Remo val 1. Remov e the front co ver . 2. Remov e the rear co v er . 3. Remov e the sheet f e eder .
Repair Information 4-4 4078-00X Carrier Frame Assembl y Remo v al The carrier rail mounted by two screws on the carrier frame is included with the carrier frame (11A5436). The carr ier rail, which is not a v ailable as a FR U , is mounted in the elongated slots at the factory .
4-5 4078-00X Carrier T ranspor t Motor Remo v al 1. Remov e the front co ver . 2. Remov e the rear co v er . 3. Disconnect the carrier transpor t motor connector from the system board.
Repair Information 4-6 4078-00X Front Co ver Remov al 1. T ur n the printer ov er to e xpose the base. Remo v e the two co ver mounting screws from the front co v er . When reassembling, do not ov er tighten these scre ws as they will break. Replacement screws can be f ound in par ts packet 11A5453.
4-7 4078-00X Large Feed Roll Remo v al 1. Remov e the front co ver . 2. Remov e the rear co v er . 3. Remov e the sheet f e eder . 4. Remov e the base assemb ly . 5. Remov e the system board. 6. Remov e the printhead carrier assembly . 7. Remov e the small f eed roll assemb lies.
Repair Information 4-8 4078-00X Mid Frame Assembl y Remo v al 1. Remov e the front cov er . 2. Remov e the rear co v er . 3. Remov e the sheet f eeder . 4. Remov e the system board. 5. Remov e the small f eed roll assemb lies. 6. Remov e the small f eed roll brac ket assembly .
4-9 4078-00X Printhead Carrier Assembl y Remov al 1. Remov e the front co ver . 2. Remov e the rear co v er . 3. Remov e the sheet f e eder . 4. Unlock the tw o printhead cable connectors and disconnect the printhead cable from the system board. 5. Unlatch the cable retainer from the carrier frame.
Repair Information 4-10 4078-00X Rear Cover Remo val 1. Remov e the front cov er . 2. Pr y upw ards on the two rear cov er latches [A]. 3. W ork the tabs of the rear cov er free from the base assembl y . 4. T o reassemble, place the co v er ov er the tabs in the base assembly and press to wards the front of the machine until the cov er latches .
4-11 4078-00X Sheet Feeder Remov al 1. Remov e the front co ver . 2. Remov e the rear co v er . 3. Remov e the two sheet f eeder mounting screws from the rear of the carrier frame. 4. Unlatch the right sheet feeder latch from the front of the carrier frame .
Repair Information 4-12 4078-00X Small Feed Roll Bracket Assemb l y Remov al 1. Remov e the front cov er . 2. Remov e the rear co v er . 3. Remov e the sheet f eeder . 4. Remov e the system board. 5. Remov e the f our small feed roller springs from the carrier frame.
4-13 4078-00X System Board Remo val 1. Remov e the front co ver . 2. Remov e the rear co v er . 3. Remov e the sheet f e eder . 4. Unlock the tw o printhead cable connectors and disconnect the printhead cables from the system board. 5. Disconnect the other cables from the system board.
Connector Locations 5-1 4078-00X 5. Connector Locations System Boar d Connectors.
5-2 4078-00X Connector Connector Names CN1 Printhead Cable 1 CN2 Printhead Cable 2 CN4 Carrier T ranspor t Motor CN5 Home P osition Sensor CN6 P aper F eed Motor CN7 P ower Supply CN8 P arallel P or t.
Preventive Maintenance 6-1 4078-00X 6. Preventive Maintenance This chapter contains the lubrication specifications. F ollow these recommendations to pre v ent problems and maintain optimum perf orm ance . Lubrication Specifications Lubricate only when par ts are replaced or as needed, not on a scheduled basis.
P arts Catalog 7-1 4078-00X 7. P ar ts Catalog How T o Use This P arts Catalog • SIMILAR ASSEMBLIES: If two assemb lies contain a majority of identical par ts, the y are brok en down on the same list.
P arts Catalog 7-2 4078-00X Assembl y 1: Cover s.
7-3 4078-00X Asm- Index Par t Number Units Description 1 -1 11A5430 1 Base Asm -2 11A5431 1 Felt P ad, Ink Absor ption -3 11A5432 1 Cover , F ront Asm -4 11A5433 1 Cover , Rear Asm -5 11A5434 1 Cov er.
P arts Catalog 7-4 4078-00X Assembl y 2: P aper Feed / Carrier T ranspor t / Maintenance.
7-5 4078-00X Asm- Index Par t Number Units Description 2 -1 11A5436 1 F ra me, Carrier -2 11A5438 1 Sensor , Carr ier Home -3 11A5450 1 Motor , Carr ier T ranspor t Asm See “Print Quality Notice” on page 2-15 .
P arts Catalog 7-6 4078-00X Assembl y 3: Electronics.
7-7 4078-00X Asm- Index Par t Number Units Description 3 -1 11A5455 1 System Board with ROM See “Print Quality Notice” on page 2-15 . -2 11A5447 1 P ow er Supply: 110V -2 11A5446 1 P ow er Supply:.
P arts Catalog 7-8 4078-00X Assembl y 3: Electronics (Contin ued).
7-9 4078-00X Asm- Index Par t Number Units Description 3 -4 1339526 1342536 1339520 1339520 1342514 1342526 1342536 1339526 1342534 1342514 1342514 1339525 1342514 1339519 1342514 1339520 1339520 1339.
P arts Catalog 7-10 4078-00X Assembl y 4: Carrier.
7-11 4078-00X Asm- Index Par t Number Units Description 4 -1 11A5448 1 Carrier Assembly -2 11A5437 1 Rod, Carrier Guide -3 11A5436 1 F rame, Carrier -4 11A5453 1 Screw , Carrier Guide Rod (PP) -5 11A5.
P arts Catalog 7-12 4078-00X Assembl y 5: Sheet Feeder.
7-13 4078-00X Asm- Index Par t Number Units Description 5 -1 11A5436 1 F rame , Carrier -2 11A5453 2 Screws , Sheet F eeder Mounting (PP) -3 11A5451 1 Sheet F eeder Asm -4 11A5433 1 Cov er , Rear Asm .
4078-00X X-1 A Abbreviations 1-2 Adjustments 4-2 Assemblies 1 Covers 7-2 2 Carrier Transport 7-4 2 Maintenance Station 7-4 2 Paper Feed 7-4 3 Electronics 7-6 4 Carrier 7-10 5 Sheet Feeder 7-12 C Conne.
4078-00X X-2 Parallel Port 3-4 Print NVRAM Contents 3-5 Reset NVRAM Defaults EMEA 3-6 USA 3-7 Test Page 3-8 Tools 1-2.
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