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Страница 1: ...WANG DAISY PRINTER Models DW OS 20 DW 22 20 PC PMOll Customer Engineering Product Maintenance Manual 3305 729 1054 A...

Страница 2: ...eshoot and repaiv It will be updated on a regular schedule Second Edition October 1983 Customer the Daisy This edition of the Daisy Printer STD manual obsoletes document s no 729 1054 The material in...

Страница 3: ...CURRENT ARE PRESENT WITHIN THE POWER SUPPLY DO NOT ATTEMPT TO REPAIR THE SWITCHING POWER SUPPLY IT IS FIELD REPLACEABLE ONLY AFTER POWERING THE UNIT DOWN AND DISCONNECTING THE AC POWER PLUG FROM THE...

Страница 4: ...CRIPTION DETAILED DESCRIPTION POWER ON SEQUENCE SIBLINK Data Link Memory Input Output Structure CPU PCB Memory Accessing Memory Read Memory Write I O Port Command Decoding PRINTER DRIVER PCB Motor Dri...

Страница 5: ...E SWITCH TEST PROCEDURE PRINT QUALITY ADJUSTMENT TEST GENERAL PRINT QUALITY ADJUSTMENT TEST PROCEDURE DAISY HOME ADJUSTMENT TEST GENE DAISY HOME ADJUSTMENT TEST PROCEDURE SEVEN SEGMENT DISPLAY TEST GE...

Страница 6: ...er Angle Check Print Hammer Angle Adjustment Print Wheel Home Position Check Print Wheel Home Position Adjustment Print Solenoid Arm and Lamination Check and Adjustment Print Solenoid Arm to Laminatio...

Страница 7: ...inet and Cover Remova1 Access Cover Removal Printer Remova1 Print Head Assembly Power Supply Carriage Removal Cord Replacement Photo Sensor Paper Guide and Roller Assembly Removal Platen Assembly Remo...

Страница 8: ...iblink PCB 8038 lA Switch Settings Lubrication Points Printer Adj us tments 1 OF 2 Printer Adjustments 2 OF 2 Print Wheel and Alignment Disks Alignment Tool Using Print Wheel to Platen Spacing Print W...

Страница 9: ...erall Printer Troubleshooting Flowchart Sheet 1 of 2 Overall Printer Troubleshooting Flowchart Sheet 2 of 2 External Power Malfunctions Internal Power Malfunctions Device IPL Malfu ctions System IPL M...

Страница 10: ...I...

Страница 11: ...sy wheels containing 96 characters to print uppercase and lowercase letters numerals and special symbols and characters Additional characters can be obtained by overstriking a print feature described...

Страница 12: ...3305 I ii v t Figure 1 1 Wang 20 CPS Bi Directional Daisy Printer l 2 RELATED DOCUMENTATION To be supplied 1 3 HARDWARE AND SOFTWARE REVIS ION LEVELS To be supplied 1 2...

Страница 13: ...rage bidirectional Pitch Line Length 10 pitch 132 characters 12 pitch 158 characters 15 pitch 198 characters OIS only Proportional spacing 13 in 33 cm Paper Specifications Minimum Width 3 5 1n 8 9 cm...

Страница 14: ...es Carbon single or multi strike or fabri Cahling 12 ft 3 4 m printer to CPU 18 twisted pair cable Parallel I O 50 ft 15 2 m printer to CPU maximum special ord r 18 twisted pair cable Parallel I O 25...

Страница 15: ...I...

Страница 16: ...aj r functions as fol lows Carriage Movement Paper feed Print Wheel Position Ribbon Advance and Hanuner energy The ZBOA CPU processes input data from the interface SIBLINK which instructs the printer...

Страница 17: ...Memory Also a RESET M signal from the interface or either a WR or an I O 40 signal will cause a pulse MASTER RESET that is of shorter duration to be generated by I 32 5 and inverted by 131 that will...

Страница 18: ...can be issued to a printer after its status has been checked Each command received has its own Header Instruction byte with the exception of STATUS and RESTART connnands which only contains the comma...

Страница 19: ...IT CPAff DATA LINK TXEN AND BUSRQ OMA DLMREQ CONTROL IFPLSI IPL LO INC DL MEMORY RAS2 RASI 84K CAS RAM MPAR MA MDf MAS UD RAS 1 UEUORV CONTROL RA82 CAS 8 INE DATA BUS OLUREO MREO BUSAK Df D7 Z BOA CPU...

Страница 20: ...LH Cll lll2 L6J S1 SR IN SURI BIT CUI llEADER 11NSTRUCJION UfCDDE IREGISIER Dr D I D4 Do LH I L411 LD DATA INSIR Ill iDtUCIOR ADDR DONE LU T CLOCK COUNTER MCLll Cll L 2 llT CLll Ill CUI TO IERIPAll IH...

Страница 21: ...10 11 START D7 D6 D5 D4 DJ D2 Dl DO PAR STOP 1 1 0 1 x x x x x x 0 SYNC BIT Each Command Header Instruction byte is shown in the table 2 2 below Table 2 2 COMMAND HEADER INSTRUCTION BYTES TIME 0 HEADE...

Страница 22: ...lly STATUS command is a one 1 byte command which accesses the Siblink status register and serially transmits the status byte to the Master CPU prior to a Read or Write command If the STATUS is in erro...

Страница 23: ...us byte is then parallel loaded into the serial parallel registers L62 L63 and L64 2D7 The transmit enable TXEN signal starts the bit clock counter which shifts the status byte out of the serial regis...

Страница 24: ...Memory is accessable to the CPU and the Data Link via a DMA path RAS CAS cycles are required any time ma in memory is addressed memory is addressed during these operations CPU instruction fetch refres...

Страница 25: ...N02 3 Multiplexing the strobe lines I 1I The Siblink selects the port with which it wishes to communicate If fully decoded this bus is capable of selecting up to 8 different devices Only that device t...

Страница 26: ...N C JOIN N C N C JOIN BOTTOM LEFT HAND CORNER 0 10 0 ISi 0 lf I 0 0 0 0 J t 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 0 lf I on _ 0 0 0 F 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 I 0 0 0 c 0 QI 0 0 0 0 0 _ 0 0 0 0 0...

Страница 27: ...FFH RAM 19 1F7 occupys the 4K space 4000H through 4FFFH Address lines BAO through BAll select the locations within PROM 1B D7 Address lines BAO through BAlO select the locations in RAM 19 1F7 2 2 3 2...

Страница 28: ...SS I DATA I A I U V S _ JU a 1 iio 1 REG I l co 1 Cll DtiA K an MEMORY llAU 0 DlllWI CONTROL CAS A t M 111 I llNIS V _ l_t v so MUI DAT p i _ 1 ulf MAlUI 11u a us U lt I ST JUS 111 J J1 MAMMUL CPU Cll...

Страница 29: ...er Feed Motor control Ribbon Motor control Keyboard LED control Alarm and Keyboard switch reset Seven segment di splay control Hammer Impression control b Input Commands An input command is generated...

Страница 30: ...motor circuits are that determine current levels only described Schematic WLIF 7868 page 3 G and 7 ll contain the current drive motor identical except for the components the daisy motor circuit will b...

Страница 31: ...21 limits the base of Q33 at a level sufficient to keep the current constant When signal R HOLD is high with signals ROO low and R02 high L22 6 3B10 turns transistor Q32 on pulling its collector down...

Страница 32: ...t the Wang s SO pin standard printer interface to a 36 pin configuration used by either the Professional Computer or the 2200 System The 2200 System s version of the card 788S l has the jumper at SPl...

Страница 33: ...I...

Страница 34: ...s buttons and indicators for controlling printer operation The indicators provide the operator with a visual cue of printer status Whenever a Stop condition Malfunction Change Daisy Change Ribbon or C...

Страница 35: ...t the current page deselect the printer and press the Top of Page button The printer advances to the top of the next page Select the printer and the entire page reprints from the beginning This button...

Страница 36: ...n the printer ribbon cartridge requires changing the Change Ribbon lamp illuminates the printer automatically deselects and a tone sounds Change the ribbon cartridge using the procedures contained in...

Страница 37: ...E r al r I ml r 11111 r uE r I 1mF 1 Z 1mE r mE rZ mE r I 1 1Er1 1mE r I inF rZ2mE rZ inE rZ mE rZ 1 nf r mf r zf mErZ lmt rZlmt rZ Jmt rz Figure 3 3 Test Printout Malfunction Indicator The Malfunctio...

Страница 38: ...ndicated if there lS a malfunction in the 4 5 6 printer DAISY HOME This error ls indicated if there ls a malfunction in the printer CARRIAGE SENSOR FEEDER This lamp illuminates if the carriage ls unab...

Страница 39: ...to print so that the text reads from right to left When this switch is on the error code indicator displays the numeral 7 If a malfunction occurs another error code is displayed 3 1 5 TEST SWITCHES A...

Страница 40: ......

Страница 41: ...rinter is cooled by the surrounding room air If the system is situated in direct sunlight there should be a shading device available to eliminate excessive heat The recommended ambient relative humidi...

Страница 42: ...ved by cutting the packing straps lifting the top cover of the box with the styrofoam protection from the top of the printer and then lifting the printer from the cardboard box pallet 4 4 SYSTEM INTER...

Страница 43: ...Figure 4 1 Printer Unpacking 4 3 PACKING STRAPS 3303...

Страница 44: ...T TO ADJUST EITHER THE 5 voe OR 40 voe POWER SUPPLIES UNLESS THERE ARE ACCESS HOLES SPECIFICALLY CUT IN THE POWER SUPPLY CAGE TO PERFORM THESE ADJUSTMENTS b Using the digital voltmeter measure the 5 5...

Страница 45: ...e Indicator figure 3 4 and refer to field service Error Code descriptions and corrective action paragraph 4 6 for information as to printer fault Note that some of the tests use the front panel LED s...

Страница 46: ...Segments C D E F G Bi directional port error Latches to data link have failed replace latches d Segments B C D E G Driver card missing Insert driver card into printer o Segments C D E G Driver card c...

Страница 47: ...ht margin sensor held off If left margin sensor has failed the right will be tested to attempt to sense problems with the carriage Upside down u Segments A B C E and F Carriage is jammed If during the...

Страница 48: ...e consists of the following tests PROM test RAM test CTC test Driver board presence test Driver board collllnunication test Chopper drive circuitry test not implemented The next pass number is printed...

Страница 49: ...gure 3 3 at ten pitch giving a 13 0 inch line or full platen width Each of the nine lines begins with a T to test vertical alignment The first eight ines simply step the wheel petal by petal to check...

Страница 50: ...d to printer Otherwiae the printer will wait for the initiation of another test i When all nine lines have been printed the printer will reset switches and wait for either another test command or syst...

Страница 51: ...e state of the ribbon out sensor If a change ribbon condition exists the reflective surface has moved in front of ribbon out sensor both segment E and the Change ribbon LED will light Segment F reflec...

Страница 52: ...DJUSTMENT TEST 4 11 1 GENERAL This The print quality adjustment test provides a uniform method for judging the mechanical alignment of the daisy head and the hammer The test continuously prints out th...

Страница 53: ...urrent daisy motor phase If it is not the home phase phase eight or HEX FC the wheel is moved phase by phase until the home phase is reached The problem that arises when adjusting the daisy wheel for...

Страница 54: ...test display extinguish and then the display will then blink on and off at two second intervals d Pressing the Test switch again will terminate the Display test 4 14 POWER UP DIAGNOSTIC TEST 4 14 1 G...

Страница 55: ...e applicable error code If there is a sheet of paper in the printer it will be ejected into the TSF pickup bin Then a new sheet will be fed from bin one If the TSF driver circ itry is working correctl...

Страница 56: ...pe will be fed The process will repeat with the ejection of an envelope in the platen and the feeding of another envelope The test will continue until an envelope misfeed or when the test switch is pr...

Страница 57: ...emove the two 4 pan head screws and the blank cover plate from the rear panel of the printer d Secure the mounting plate to the printer rear panel with the two 4 pan head screws removed in step c abov...

Страница 58: ...3 4 5 6 7 8 1 2 3 4 5 6 7 8 SW1 ON OFF SW1 ON OFF DEVICE TYPE 0404FF 1 2 3 4 5 6 7 8 ON THREE LINE OPTIONS SW2 OFF 1 2 3 4 SW3 ON OFF e INDICATES POSITION Figure 4 2 Siblink PCB 8038 lA Switch Settin...

Страница 59: ......

Страница 60: ...y six months every 500 hours of operation or at each service call whichever occurs first The printer needs cleaning and minimal lubrication followed by visual inspection of the print quality The time...

Страница 61: ...r 5 drops of 10 weight oil on either side of the carriage and move carriage back and forth 2 Remove the two caps from the hanuner armature pivots and apply IBM 23 grease on pivot pin Do not oil the pa...

Страница 62: ...S USE OIL SYRINGE 0 APPLY IN SMALL AMOUNTS USE GREASE SYRINGE 0 APPLY THIN FILM TO SHOCK MOUNT SURFACES 0 USE LIGHT MACHINE OIL FOR CARRIAGE GUIDE SHAFTS r 1 I j _ ____ _ _r _i __r_ _ 71 Figure 5 1 Lu...

Страница 63: ...DJUSTED TOO HIGH I Tn T Tn 1f r r l l I 1 1 1 1 I 1 I 1 1 I 11 T T T rr_ T T r l l l l l 11 111 1 1 1 111 f l l l l l 1 1 1 1 111 1 1 11 i r r 1c f rrrrr c f t 1 rr1 VERY LIGHT PRINT WHEEL TO PLATEN G...

Страница 64: ...ADJUSTMENT o 1uJu1o1 o lo l u lo lo lo 1u1u1o1 o lo iiiiiiiiiiiiiiiiiiiiiiiiiiiiq l il M l L i t l tM l iM Mt 1 lMMMMMmi J J I IJ J1 H l J Y J l 1 l l l IWW J JW lT l TT l t J IT1 1 TTTTTTTTTTTTTTTTT...

Страница 65: ...t the problem should components be removed or replaced Always go through the adjustment and or alignment procedures after replacing a mechanical part or assembly Some adjustment procedures require rem...

Страница 66: ...carriage motor assembly NOTE Be certain to support assembly by grasping Hanuner Housing assembly with one hand during step 2 2 Insert print wheel alignment disk WL 580 0152 in place of the Print Wheel...

Страница 67: ...B 0 RAISED CENTER FACING MOTOR HUB Figure 5 3 Print Wheel and Alignment Disks LARGE END SMALLEND r ALIGNMENT TOOL Figure 5 4 Alignment Tool Using Small End Figure 5 5 Print Wheel to Platen Spacing 5 8...

Страница 68: ...il roller assembly away from platen 5 Return carriage assembly to its normal operating position holding by hallUller housing assembly Be certain the daisy assembly is properly seated 6 Set the small e...

Страница 69: ...3305 LOOSEN SCREWS TO ADJUST SLIDE CARRIAGE BACK AND FORTH Figure 5 6 Print Wheel to Platen Adjustment 5 10...

Страница 70: ...nd the copy control lever in position 1 the large end of the alignment tool should just touch the hammer NOTE Under these conditions the gap between the platen and hammer will be within 0 242 to 0 248...

Страница 71: ...3305 Figure 5 7 Alignment Tool using Large End ALIGNMENT TOOL HAMMER HOUSING SMALL END Figure 5 8 Hammer to Platen Check 5 12...

Страница 72: ...ECCENTRIC YOKE ASSEMBLY 3305 HAMMER Figure 5 9 Hammer to Platen Adjustment 5 13...

Страница 73: ...5 10 2 Shift angle of the hammer and hammer housing so that even pressure is on the characters during printing tighten screws 3 Print test document with lines of capital letters especially M s and HI...

Страница 74: ...nment note how far off the lower case o is from normal position 7 Perform the home position character adjustment below 5 2 1 1 8 Print Wheel Home Position Adjustment If the home character position is...

Страница 75: ...O HOME POSITION a bl HOME POSITION OFF BY TWO Figure 5 11 Print Wheel Positions ADJUSTMENT PHOTO SENSOR MOUNTING NUTS FRONT PLATE Figure 5 12 Home Position Adjustments 5 16 HOME POSITION fl ONE OR LES...

Страница 76: ...nt solenoid arm forward toward platen as far as possible and hold 3 Move coil assembly until its lamination is touching and parallel with the print solenoid arm surface 4 Tighten mountng screws while...

Страница 77: ...PUSH HERE _ f ll L LAMINATIONS AND PRINT SOLENOl _D A R M 1 1 FLUSH COIL ASSEMBLY MOUNTING SCREWS Figure 5 13 Print Solenoid Arm and Lamination Adj PRINT SOLENOID ARM STOP ECCENTRIC ADJUST 0 030 ln 0...

Страница 78: ...s a need for adjustment go to the next paragraph 5 2 1 1 13 Cord Tension Adjustment 1 Move carriage to the extreme left side of the printer 2 Loosen lock nut on the right side of the printer frame fig...

Страница 79: ...3305 CARRIAGE CORD TENSION MEASURING GAP Figure 5 15 Cord Tension Check 5 20...

Страница 80: ...2 Figure 5 16 Cord Tension Adjustment PLATEN 1 _VGEAR I I 3305 LOCK NUT CORD TENSION ADJUSTMENT _ _ ____ IDLER INTERMEDIATE GEAR ECCENTRIC ADJUST AND LOCKING SCREW PIVOT SCREW 1 Figure 5 17 Backlash C...

Страница 81: ...ing 4 Tighten gear nut while holding eccentric nut in place 5 Loosen the two motor mounting screws and the pivot screw on plate and adjust the backlash between the idler gear and the platen gear see f...

Страница 82: ...d guide so that the horizontal segment of the card guide is parallel to the previously printed material 3 Hold guide stationary and tighten screws 5 2 1 1 18 Left Margin Home Position Check 1 Turn pow...

Страница 83: ...3305 LOOSEN MOUNTING SCREWS HORIZONTAL SEGMENT OF CARD GUIDE CARD GUIDE ____ Figure 5 18 Card Guide Check and Adjustment 5 24...

Страница 84: ...the ribbon on a used cartridge so that the metal spring in the sensor pocket reflects the LED light 2 T sert test cartridge in system 3 Turn on system and load OS software 4 Observe that the Change Ri...

Страница 85: ...3305 I LOOSEN SCREW Figure 5 19 Left Margin Home Position Adjustment 5 26...

Страница 86: ...m a top view rotate grip ring clockwise to increase tension and counter clockwise to decrease tension 2 Adjust for 8 to 12 ounces 224 to 336 grams 5 2 1 1 24 Daisy Wheel Damper Check figure 5 22 A mis...

Страница 87: ...3305 GRAM GAUGE BTO 12 OZ 224 T0338GRAllS 0 Figure 5 20 Ribbon Drive Spring Tension Check 5 28...

Страница 88: ...MOTOR TIE POINT Figure 5 21 Ribbon Drive Motor 5 29 3305...

Страница 89: ...3305 Figure 5 22 Daisy Wheel Damper Check 5 30...

Страница 90: ...einstall bracket and verify adjustment per paragraph 5 2 1 1 24 5 2 1 1 26 Ribbon Height Check and Adjustment The system diagnostics Chapter 8 provides the means of verifying that printing is vertical...

Страница 91: ...3305 Figure 5 23 Ribbon Height Check and Adjustment 5 32...

Страница 92: ...out sensors should extend into the deflector When the lever is back the sensor should be even with or just below the deflector 5 2 1 1 29 Pressure Rollers Check The clearance between the rollers assem...

Страница 93: ...3305 PLATEN GUIDE PIN Figure 5 24 Paper Out Switch Check and Adjustment 5 34 PAPER OUT SWITCH...

Страница 94: ...3305 l TAB PAPER GUIDE Figure 5 25 Pressure Rollers Check and Adjustment 5 35...

Страница 95: ...3 Printer Unit Removal 1 Disconnect the 12 pin AMP connector from the error display panel 2 Disconnect print head ribbon cable from controller and CPU PC boards 3 Disconnect the four 4 pin paper driv...

Страница 96: ...e two 2 screws on the end of the cable that ounts to the carriage Not to be performed if a new carriage has flex cable attached 5 2 2 7 Cord Replacement 1 Remove the printer unit 2 Loosen the cord ten...

Страница 97: ...end of the cord through the left side frame and insert the holding pin lO 13 Adjust the cord tension Alternately turn both right and left tension adjusting screws to divide the slack evenly 14 Replace...

Страница 98: ...3305 11T CORD 3 2NDCORD 10 I 7 Figure 5 26 Cord Replacement 5 39...

Страница 99: ...e two hanuner bracket mounting screws loosen the other and tip up one end of the bracket Once this is done the hanuner slides out of the housing 5 2 2 13 Print Wheel Removal Print wheel r erooval is d...

Страница 100: ......

Страница 101: ...THE SCHEMATICS WHE AVAILABLE ARE ON THE LAST fICHE IN THIS SET...

Страница 102: ...j...

Страница 103: ...fied for maintenance procedures IPB s included in this manual are Figure Figure Figure Figure Figure Figure 7 1 Covers and Base Pan 729 5246 7 2 Common Mechanical Assembly 279 5271 7 3 Platen Assembly...

Страница 104: ...asher 4 4 40 KEPS Locknut 8 32 Locknut Rubber Bumper Roll Cover Cover Rack 6 32xl 2 Thumbscrew Edge Guide Spring Edge Guide Edge Guide Rod Ser 4 40x3 8 P H SEMS Flat Washer fl4 Sub Panel Assy Membrane...

Страница 105: ...J I w 0 I 1 en 3 Pf 14 R 21 _ 5 4 17 18 I 1gee 20 26 27 lN lN 0 JI...

Страница 106: ...ease Locknut 10 32 Flat Washer 10 Eccentric Idler Gear Gear Idler Stud Idler Gear Screw Taptite 8 32 x 1 4 Flat Washer fl8 Paper Motor and Plug Assy Arm Paper Bail L H Arm Paper Bail R H Latch Platen...

Страница 107: ...d Paper Bail Roller Bale Assy Anchor Cable Cable Carriage Drive Carriage Drive Motor Assy Switch Sub Min Nut Plate Lever Paper Sensor Screw Truss Hd 4 40 x 3 8 Spring Extension Latch Screw Self T Hex...

Страница 108: ...I N 0 I fff n r I QI I n QI I C I C I Ill g I N I V1 N I w w 0 V1...

Страница 109: ...dle Bearing Platen Platen Locator Bushing Bearing Vernier Washer Platen Vernier Washer Vernier Clutch Spring Vernier Gear 10 32x 3 16 Socket Set Nylok Vernier Cone Platen Vernier Knob Retainer Ring 7...

Страница 110: ...I w N 0 I U1 w w 0 J1...

Страница 111: ...ring Motor Print Yoke Assy Card Guide Card Guide and Cable Mt Head Cable Assy Conn Hsg 24 Pos 2 Row 4 40 x 3 16 Screw 4 40 x 1 4 Screw 4 40 x 5 16 Screw 4 Flat Washer 4 40 x 3 16 Screw Shim Carriage B...

Страница 112: ...6 Screw Cartridge Load Button Ribbon Plat orm 412 x 3 8 Self Tap screw Sensor Spacer End of Ribbon 4 2 Flat Washer 412 x 5 16 Self Tap Screw 2 56 x 1 2 Screw 4 2 Lockwasher 4 2 Flat Washer Switch ribb...

Страница 113: ...67 yea 86 87 71 k72 73 60 54 53 52 J 24 29 30 33...

Страница 114: ...15 Siblink PCB Serial 210 8038 lA 16 I O INTRFC PCB Parallel 210 7885 17 Fan 50 CFM 400 1001 18 Brkt Fan Spt 451 2627 19 Brkt PCB Spt LH 451 4910 20 Guide PCB NYL 4 452 4042 21 CPU PCB 210 7886 A 22...

Страница 115: ...N ____ _ Cl N Figure 7 5 Electronics Assembly Serial Model Sheet 1 of 2 7 13 3305...

Страница 116: ...3305 IO N N Y cJ D m Figure 7 5 Electronics Assembly Parallel Model Sheet 2 of 2 7 14...

Страница 117: ......

Страница 118: ...ill be set to ON to complete the procedure When unable to determine the failure connect another good printer to the system with Lhe same print job to eliminate the possibility of software problems Tha...

Страница 119: ...L CABLE IF PARALLEL SYSTEM INSTALL CABLE AND GO TO C PRESS SELECT SWITCH NO NO GO TO 11 FIGURE 8 2 GOTO 2 FIGURE 8 3 GO TO 3 FIGURE 8 4 GOTO 5 FIGURE 8 6 NO GOTO _F IG U RE 1 1 Figure 8 1 Overall Prin...

Страница 120: ...E PRINT JOB TO PRINTER CHECK PRINTOUT FOR PROBLEMS YES RETURN TC CUSTOMER GO TO 8 FIGURE 8 7 GO TO 7 FIGURE 8 8 GO TO 8 FIGURE 8 9 3305 Figure 8 1 Overall Printer Troubleshooting Flowchart Sheet 2 of...

Страница 121: ...3305 CHECK AC LINE VERIFY LINE VOLTAGE NO CHECK CABLE TO FAN VOLTAGE NO CHECK AC WIRING AND REPAIR GOTO A FIGURE 8 1 Figure 8 2 External Power Malfunctions 8 4 GOTO A FIGURE 8 1 GOTO A FIGURE 8 1...

Страница 122: ...CHECK KEYBOARD CABLE AND BACK THROUGH PCB S ANO POWER SUPPLY GOTO A FIGURE 8 1 REPLACE t PoWER I LAMP GOTO A FIGURE 8 1 Figure 8 3 Internal Power Malfunctions 8 5 GOTO IA FIGURE 8 1 3305...

Страница 123: ...OTOIAI FIGURE 8 1 CHECK CARRIAGE MOTOR WIRING 1 GO TO Al FIGURE 8 1 AND CONNECTOR REPLACE CARRIAGE CORDS REPLACE CARRIAGF 1 t MOTOR DRIVE GO TO IAI FIGURE 8 1 GOTO A FIGURE 8 1 Figure 8 4 Device IPL M...

Страница 124: ...MASTER CPU NO REPLACE SIBLINK OR 1 0 PCB NO GO TO 5 FIGURE 8 6 GOTO 5 FIGURE 8 6 REPLACE t SPS AND 1 c YES GO TO Al FIGURE 8 1 ALL PCB S YES GOTO A FIGURE 8 1 Figure 8 5 System IPL Malfunctions 8 7 NO...

Страница 125: ...3305 REPLACE SIBLINK OR 1 0 PCB REINSTALL OLD PCB S AND REPLACE PRINTER GO TO 6 FIGURE 8 7 REPLACE 1 sELEcT 1 LAMP GOTO A FIGURE 8 1 GOTO Al FIGURE 8 1 Figure 8 6 I O Selection Malfunctions 8 8...

Страница 126: ...NEEDED YES CHECK AND REPLACE SIBLINK OR 1 0 PCB REINSTALL 1 0 t PCB S AND REPLACE 7868 PCB REPLACE OLD 7868 PCB CHECK CABLES 11 YES AND CONNECTORS NO 3305 GOTO 0 FIGURE 8 1 CHECK COVER OPEN SWITCH FOR...

Страница 127: ...JUST RIBBON PLATFORM REPLACE RIBBON PLATFORM ASSEMBLY YES GOTO DJ FIGURE 8 1 YES NO REMOVE OR ADD SHIM UNDER FRAME GOTO DJ FIGURE 8 1 YES PERFORM HAMMER ANGLE ADJUSTMENT GOTO IDI FIGURE 8 1 ADJUST REP...

Страница 128: ...IGURE 8 1 FORMS FEED SUPS CHECK CLEAN ADJUST PLATEN AND ROLLERS YES GOTO DI FIGURE 8 1 NO CHECK AND _ _ ADJUST PAPER FEED MOTOR GOTO DI FIGURE 8 1 Figure 8 8 Print Quality Malfunctions Sheet 2 of 3 8...

Страница 129: ...NECESSARY GOTO DI FIGURE 8 1 GOTO DI FIGURE 8 1 NO CHECK 095 TO 105 INCH PRINT WHEEL PETAL TO PLATEN ADJUSTMENT AND ADJUST IF NECESSARY GO TO DI FIGURE 6 1 NO REMOVE AND CLEAN HAMMER REINTALL YES AND...

Страница 130: ......

Страница 131: ...F CONTENTS TITLE 50 to 36 Pin Interface Board 64K Single Board Data Link CPU Board Printer Driver Board Test Panel Board 1 Sheet 5 Sheets 5 Sheets 5 Sheets 1 Sheet The schematics in this manual are th...

Страница 132: ...IF 18 I SVR 1 rt V I r l 3 1 SVR i ov I I f I l C_E_l __ tOV 7 5 J C LoCPTtOAI TYPE W I PA fTNO LI 4tS 44 316 0288 12 74LS i 4 376 12 64 dA 1 1LSl4 31 0J T PE LOCATION L2 COMPONENT TYPE RI C 3A K l 4...

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