Centronics 101AL Technical Manual Download Page 129

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Summary of Contents for 101AL

Page 1: ...TECHNICAL MIZAINUZATL MODEL 101AL PRINTER CENTRONICS ara OCeaie OC CENTRONAICS data computer corp HUDSON NEW HAMPSHIRE 03051 Centronics No 37400050 Rev C TELEPHONE 603 8383 ts 0111 APRIL 1975...

Page 2: ...tral region 513 294 0070 ohio western region 714 979 6650 calif Copyright Centronics Data Computer Corp centronics data computer canada Itd mississauga ontario 416 625 0770 All rights reserved dertear...

Page 3: ...APRIL 1975 THE INFORMATION CONTAINED HEREIN IS PROPRIETARY AND IS NOT TO BE RELEASED OR REPRODUCED WITHOUT WRITTEN PER MISSION OF CENTRONICSdata computercorp CENTRONICS data computer corp HUDSON NEW H...

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Page 5: ...d Optional Specification Summary 1 4 2 Specification Summary eee ee ee ee es 1 5 PHYSICAL DESCRIPTION e ee SECTIONS 2 3 INSTALLATION AND OPERATION SITE PREPARATION 2 2 2 1 2 ee we ww we ee we SHIPPING...

Page 6: ...we ee we we ee 4 24 4 7 1 Line Feed 1 2 1 ew we ew tw ww 4 25 4 7 2 Form Feed 2 1 eo ee ew ew ew ew ew ww 4 26 4 7 3 Vertical Tab 0242484 00 ee ee 4 27 4 7 4 Wertical Format Unit 2 0 60464208 8 4 28...

Page 7: ...Form Feed Mechanism HH Ribbon Feed Mechanism HI Electrical Hardware HJ Paper Stacker and Guide Printer Head and Associated Assemb1ies SECTION 6 MAINTENANCE ADJUSTMENTS PREVENTIVE MAINTENANCE TROUBLES...

Page 8: ...a Timing Causing Busy Condition 4 8 4 5 Character Timing 6 ee we we we we ee 4 16 4 6 Normal and Elongated Characters e66 4 19 4 7 Print Head Timing 6 06606 6 ee ee 4 2 4 8 Power Driver Waveform 464 4...

Page 9: ...ematic Diagram Logic P S Board 5V Sheet 4 of 4 7 6 Schematic Diagram Power Driver Board Sheet 1 of 2 7 7 Schematic Diagram Power Driver Board Sheet 2 of 2 7 8 Schematic Diagram Video Amplifier 7 9 Sch...

Page 10: ...s Cover Assembly Carriage Mechanism Drive Mechanism Drive Mechanism Preload Clutches Spring Drum Damper Frame Paper Feed Mechanism ee Pin Feed Mechanism Left and Right Form Feed Mechanism Ribbon Feed...

Page 11: ...ter INSTALLATION contains unpacking and installation in structions for the printer OPERATION describes the function of all operator con trols and indicators and how they are used THEORY OF OPERATION c...

Page 12: ...printing 132 columns with paper width varying from 4 inches to 14 7 8 inches The unit uses sprocket fed paper and generates 6 lines to the inch with 10 characters per inch horizontally The printer doe...

Page 13: ...rk Binary 1 2 4 to 5 5 Volts Space Binary 0 0 to 0 4 Volt 1 Data on oe ew x 0 5 1S min Pt 0 5 1 S min Data Strob Ly 0 5 2S min ke 500 11S max 2 5 HS min BUZZER 7 5 0 LS max SPECIAL FUNCTIONS Acknowled...

Page 14: ...dot matrix forming the letter H All character formations in the standard 9 x 7 dot matrix are shown in Appendix B SOLENOIDS NOW nN DNM CASTING Figure 1 3 PRINTING THE LETTER H Figure 1 4 PRINT HEAD C...

Page 15: ...id is energized for 15 milliseconds to initiate paper motion Upon completion of the line feed command a 60 millisecond delayed line feed is generated This allows the clutch pawl and clutch mechanism t...

Page 16: ...inter to receive data same as activating SELECT switch De Select Octal 023 Inhibits printer from receiving data same as deactivating SELECT switch SYSTEM FEATURES 1 4 1 FEATURES Standard features opti...

Page 17: ...able 9 x 7 dot matrix 10 point type equivalent USASCII 64 charactersprinted lower case Characters recognized and printed as upper case equivalent ON OFF SELECT TOP OF FORM FORMS OVERRIDE LINE FEED PAP...

Page 18: ...igure 1 6 LEFT FRONT VIEW OF 101AL 1 Operator Control Panel 5 Optical Pick Up 9 Penetration Control Knob 13 Cooling Fan 2 Form Feed Motor 6 Optic Bundle 10 Forward Clutch 14 Ribbon Feed 3 Video Amplif...

Page 19: ...V Power Supply 14 Input Connector 5 J2 10 Fuse F4 Figure 1 8 REAR VIEW OF 101AL 1 Main Motor 4 Electronics Connector 7 Ribbon Reversing Rod 2 Motor Starting Capacitor 5 Power Transformer 8 Ribbon Driv...

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Page 21: ...stallation and operation Included on the following pages is additional information not contained in the operators manual 2 1 SITE PREPARATION Figure 2 1 A line drawing of the printer dimensions is sho...

Page 22: ...for each vertical tab and 66 line feeds 11 inches for each form feed code This tape is a part of the Vertical Format Unit Refer to the Operators Manual for duplicating the existing tape or if a diffe...

Page 23: ...ly one piece to the back top of printer by first removing two screws from the left and right side and install using a flat bladed screwdriver Make sure rounded paper guides rest on top of printer in f...

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Page 25: ...ollows Paragraph 4 2 Basic Timing 4 3 Initializing the Printer Prime Select 4 4 Data Input Data Strobe Busy Acknowledge 4 5 Shift Register Buffer 4 6 Character Printing 4 7 Paper Movement Line Feed Ve...

Page 26: ...lig CIRCUITS w 2 oO s PAPER _ MOVEMENT PMSOL TOLINE FEED SOLENOID INPUT PRIME l DATA STROBE LSI CHIP NO 1 CONTROL LSI CHIP NO 2 FWD CLUTCH CIP e TO FORWARD DAT lug_ACKNOWLEDGE BUSY DATA DECODE PRINT C...

Page 27: ...tor and makes the printer ready to receive data 4 3 1 PRIME The PRIME signal generated on LSI chip ME9 37 is generatedby any of the following conditions a Power Turn On When the printer is turned on c...

Page 28: ...IME pulse out of LSI chip ME9 37 In all of the above cases the high PRIME signal out of LSI chip ME9 37 resets the printer logic including the shift register and places a dummy character in the first...

Page 29: ...ing the SELECT switch S4 generates a low SELSW signal into LST chip ME5 31 The chip contains anti bounce protection which requires the SELSW line to be noise free for approximately 2 8 msec before the...

Page 30: ...be and prime inputs are terminated by a 4 70 ohm resistor to 5 volts Note that with no input on DATA8 line terminating resistor R15 holds the input at 5V making bit 8 appear as a ONE on the logic card...

Page 31: ...STROBE pulse must be at least 0 5 usec wide In response to the received data some 2 5 to 10 usec after the trailing edge of DATASTROBE the printer generates a 2 5 to 5 0 usec ACKNOWLEDGE pulse indicat...

Page 32: ...g performed From 0 to 10 usec after BUSY is terminated the printer gen erates a 2 5 to 5 0 usec ACKNOWLEDGE pulse to indicate that the spec ified function is completed TABLE 4 1 MODEL 101AL BUSY CONDI...

Page 33: ...will first cause the line to be printed before activating LFF LFF is normally reset by the trailing edge of DLYLF 4 LLF internal to ME5 goes high This occurs when a line feed code octal 012 is receive...

Page 34: ...s shown in the timing diagram in Figure 4 4 BUSY can occur up to 1 5 usec following the trailing edge of DATA STROBE The worst case 1 5 usec condition arises when CSBSY qoes active This occurs because...

Page 35: ...rinted at double the normal width Select 021 None Ungated SLCT Selects the printer 14 to E15 inhibits a prime operation during select Deselect 023 None Ungated SLCT Deselects the printer Delete 177 No...

Page 36: ...n each shift register element are recirculated internally The fourth stage in ME17 is recirculated by the external connection of TB4 to the Recirculate Input R I The R I terminal for the fourth stage...

Page 37: ...carriage return code LSI chip MEXgenerates CLKTB2 pulses to the shift register at the Same rate as the OSC clock This shifts the register until the dummy character appears at the output TB8 goes high...

Page 38: ...her defines the dot pattern for the four half step columns in a 9 x 7 matrix This section describes the character printing operation in the following sequence Paragraph 4 6 1 Initiating the Printing O...

Page 39: ...h is activated or when a control character is detected at the shift register output CIPX goes high turning off the forward clutch This fires one shot ME7 4 generating a 40 millisecond Delayed Clutch D...

Page 40: ...xe 5008 ME7 5 FLU UWS LS LS LS wn jee4501 PLS LSL_SJ DLYSTB Dcwo INTERNAL TO LS CHIP ME 9 Jf pom a Dcw2 DCW3 DCW4 DCWS5 LJ DCWw02 DCWO03 DCW04 cGi apy eo 4 y e DEee get Pe by aeg oe meee eee Ce Ce Ck...

Page 41: ...he photo transistor detects light current is allowed to flow through it thereby drawing current through transistor Q1 and resistor R2 Q1 then turns on and turns transistor Q2 off by shunting the curre...

Page 42: ...ATOR ROM The logic board can contain up to four ROM elements depending on the selected character generating capabilities of that printer The ROM s in element locations ME18 and ME20 each provide full...

Page 43: ...r printing ROME2 generated by LSI chip ME9 is coincident with Delayed Strobe signal DLYSTB This effectively interleaves the dot pattern from the half step ROM s with the dot pattern from the full step...

Page 44: ...h of these wires is approximately 3 5 inches and each wire requires about one ounce of force to begin its movement The amount of force needed to move the wires 0 015 inch j e the distance necessary to...

Page 45: ...Since all solenoid driver circuits are identical and operate in the same manner only the first one controlled by CG1 will be described Referring to Power Driver schematic 63002275 when CG1 goes high i...

Page 46: ...2 5 amps Q1 goes into the active region and limits the current to this value When CG1 goes inactive low Q3 turns off turning off Q2 and Q1 When Q1 turns off the solenoid current flows through CR2 and...

Page 47: ...e is shut off however it is characteristic that the 5 volt supply out put drops before the 30 volt supply output When this happens Kl opens allowing the current to flow through R47 and CR35 into the b...

Page 48: ...se clutch mechanism Signal CIR from the logic board directly controls the reverse clutch driver on the Power Driver board unaffected by the optional motor control circuit The reverse clutch driver ope...

Page 49: ...tivated terminating the paper movement operation and the FAULT line to the interface connector is activated As an option the paper time out interval can be adjusted from 2 to 12 seconds via R38 which...

Page 50: ...with R82 and R83 With the switch in this position R19 should be adjusted to provide a 15 millisecond LF pulse While LF is high LSI chip ME5 generates a low PMSOL signal which activates the line feed...

Page 51: ...MSOL is active the printer remains in a busycon dition If a paper time out is detected PMSOL is immediately deactivated and the FAULT line is activated 4 7 3 VERTICAL TAB Figure 4 10 A vertical tab op...

Page 52: ...der located on the upper left side of the printer Move ment of the paper tape in the VFU is caused by direct mechanical linkage to the gear train that drives the paper feed tractors As a result each l...

Page 53: ...shines on the MRD150 photo transistor current flows through it and into the base of the 2N3904 where it is amplified by the transistor The two amplifier outputs CH 1 and CH 2 are then applied to the l...

Page 54: ...aper empty condition PE goes low causes a BELL signal to be generated on LSI chip ME5 pin 39 This BELL signal is a 0 8 to 1 6 KHz output approximately one to two seconds in duration BELL is amplified...

Page 55: ...ram Figure 4 14 Referring to these figures one shot ME3 generates a 9 second interval during which time the Forward Clutch signal FWDCLD or CIP and the Paper Movement signal PMSOL are monitored During...

Page 56: ...5 LOWER PAPER PAN AS HF 76 UPPER PAPER PAN HARNESS 83099895 ASSEMBLY 6301 1152 AY MOTOR CONTROL ASSEMBLY 63011130 5 HF 87 PIN FEED COVER HF 92 PAPE SUPPORTING ARM HE 85 CHASSIS RIGHT USED ON EARLIER M...

Page 57: ...FEFEE BLU RED ORN DELFWD RED PMSOL E2 BRN FWDCLD E5 WHT VCC fl BLK 26 ZOV x BLK 18 AC1 W65 BLK 18 AC2 ORN YEL 63002590 sel BLK YEL W80 OR E8 E9 IN LINE SPLICE CONNECTORS POWER DRIVER BoarD J9 pg 12 12...

Page 58: ...ve operation keeps repeating itself during the 9 second in terval switching Q1 from the OFF state to the ON state for either polarity of voltage applied to the main terminals of Q1 Coincident with the...

Page 59: ...9 second in terval one shot ME1 times out causing its output ME1 pin 3 to go low This turns off ME2 by delivering a high to ME2 pin 2 which in turn stops current flow out of ME2 pin 4 and prevents Q2...

Page 60: ...525841001 must be changed to a 50Hz pulley HB91 1 Part No 525344001 See Figure HB Section 8 The input voltage is fused by a 5 amp slo blo fuse F5 and applied to the input transformer through the ON OF...

Page 61: ...fai Jez e3 e4 es ece72829 30 JTI TO MOTORS Jj J JS J JY Figure 4 15 L TRANS FORMER FORM FEED MOTOR t2e2ov 6515 Vv 110Ov OONV ON 2Ov bi5 Vv IOV loo Vv Ov SHOWN WIRED FOR MS VAC INPUT WINDING NO 2 y Y...

Page 62: ...output from the secondary winding of the transformer is rectified by bridge rectifier CR5 CR6 CR24 CR25 and filtered by C1 located in the cavity This filtered output is fused through Fl and regulated...

Page 63: ...is used as inputs to the 12V and 12V regulators The operation of both circuits is identical to that of the 5V regulator described in Section 4 9 1 As in the 5V regulator the load may be removed from...

Page 64: ...L P3 J3 J6 P6 INTERFACE I _Io tI rt et 5 B0ARD toy REGULATOR Js l I Figure 4 17 12V REGULATORS INTERCONNECTION DIAGRAM 4 10 OUTPUTS FROM LSI CHIPS 4 10 1 OUTPUTS FROM LSI CHIP ME5 BUSY Busy Generated...

Page 65: ...tion exists 3 The printer is out of paper PE is low 4 A failure is detected in the video signal LD is low SLCT Select Generated on LSI chip ME5 pin 40 Indicates the status of the Select latch within t...

Page 66: ...e following conditions occurs 1 A paper time out condition exists 2 A power prime PWRPRM condition exists 3 During a form feed operation a hole in channel 7 of the Vertical Format Unit VFU paper tape...

Page 67: ...lines contain a printable character a ONE in bit 6 or 7 of after the first printable character is received a carriage return code octal 015 is present on the data lines If the DSC option is used jump...

Page 68: ...increments the counter During elongated character printing alternate STROBE pulses increment the counter making each DCWO interval twice its normal width As in the strobe counter timing if option SPC...

Page 69: ...a CLKTB2 pulse IPX Forward Clutch Generated on LSI chip MES pin 30 This active low output is used to turn on the forward clutch when the printer is ready to print the re ceived line of data Signal CIP...

Page 70: ...the print head travels from the left limit switch RTPSW to the right limit switch EOPSW with no STROBE pulse generated by the timing fence then a latch is set within the chip causing LD to go low This...

Page 71: ...een loaded into the shift register without a carriage re turn code The low CSBSY signal then generates a low BUSY output from LSI chip ME5 OSC Oscillator Output Generated on LSI chip ME9 pin 25 The fr...

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Page 73: ...ngs and parts lists are con tained in Section 8 of this manual Figure and Reference Parts section Title symbo 5 2 1 Cover Figure A 5 2 2 Carriage Mechanism Figure HA 5 2 3 Driving Mechanism Figure HB...

Page 74: ...sembly A 6 to clear printer head and slide the front cover assembly forward to avoid damaging ribbon cables which are con nected from the video amplifier board 63002306 1 See Fig 1 7 to the power driv...

Page 75: ...f copies to be run The head lock knob HA 33 is mounted on the left hand side of the carriage and locks the eccentric shaft after positioning head in relation to platen Play be tween head bracket and c...

Page 76: ...the following steps 1 Loosen nut HC 12 and screw HC 11 on spring drum HC 1 a Release main spring part of HC 1 tension by intermittently pivoting pawl HC 10 to slowly unwind internal spring Note that s...

Page 77: ...o allow gap of 0 91 through 0 03 mm 0 0004 0 0012 in Detween upper and lower rollers HA 26 HA 31 and the guide plate The carriage without main driving belt HA 36 should be able to move on guide bar HE...

Page 78: ...odel 101 Series apply main belt tension by the following method a Main belt is attached to carriage b Carriage is at start position at rest c At a point midway between spring drum assembly HC 1 on the...

Page 79: ...forward and reverse clutch Motor intermediate pulley with gear HB 22 intermediate shaft with pulley HB 80 pulley HB 60 for forward and reverse clutch Looking from front motor rotates counterclockwise...

Page 80: ...verse When signal current stops torque chain between armature and rotor is discontinued and the armature is restored to initial preload condition surface to surface contact C Operating Conditions Driv...

Page 81: ...DRIVING MECHANISM HA 36 REF LO 5 o 5 Figure 5 2 MAIN MOTOR DRIVE AND DRIVE BELT ARRANGEMENTS 9 9...

Page 82: ...on motor capacitor HB 13 retain capacitor and bracket if motor is being replaced Remove motor from mounting bracket HB 9 by removing four screws with four external washers HB 12 and 11 Main Motor Bel...

Page 83: ...ing bolts HB 17 into main motor through base underneath printer Do not tighten until the following steps are performed a Insert adjusting bolt HB 18 into side flange of motor mounting bracket and turn...

Page 84: ...e clutch gear HI 1 Remove ribbon drive shaft unit by removing screws HI 17 from right side of printer Slip off pulley belt HB 48 between forward clutch pulley HB 60 and intermediate pulley for forward...

Page 85: ...color coded wires Refer to Wiring Diagram 63002333 Section 7 Cut reverse clutch field assembly wires No W34 red pur and W43 brn grn See Fig 8 3A Ensure that wires are properly identified prior to cut...

Page 86: ...80 toward front of Phpea This step will free pulley HB 22 and felt washers HB 24 5 2 3 3 Adjustments A To Adjust Motor Pulley Drive HB 92 and Motor Clutch Plate Part of Motor 1 Torque of these slip c...

Page 87: ...y HB 60 adjust belt tension by loosening screws HB 39 79 Position tensioner bracket front HB 33 by making sure tensioner HB 34 is pushed up against the belt completely before tightening screws C Backl...

Page 88: ...up nut and washers HB 28 29 96 with a 10 millimeter open end wrench while at the same time holding correct adjusting screw position with screwdriver e Complete re assembly of the following steps 1 Add...

Page 89: ...ng loctite or equiv on outside surfaces that contact base frame of printer Clean surrounding support holes prior to installation Avoid loctite touching inside surfaces of bushings where shaft rotates...

Page 90: ...PRELOAD CLUTCH SHAFT HB 50 5 2 4 SPRING DRUM Figure HC 5 2 4 1 Operation 1 Provides spring tension for return of head 5 2 4 2 Removal Replacement Procedure with left cover down 1 Release spring paw H...

Page 91: ...spring drum about ten times when carriage is positioned at starting position The purpose of the spring drum is to hold down carriage motion at home position so that 11 windings is about maximum Note t...

Page 92: ...dditional tightening may lock piston rod HD 2 When replacing damper cushion HD 33 on carriage stopper lever HD 32 clean contact surface with alcohol and sand paper Fit cushion and cap HD 34 using reco...

Page 93: ...tion of Flexible Timing Fence 63002440 Fig 8 6 and Fig 5 3 1 Mount spring clasp Fig 5 3 A on left bracket support HE 55 using two screws Fig 5 3 F two split lockwashers Fig 5 3 B and two flat washers...

Page 94: ...p Fig 5 3 D and pull tab of fence to the right so that the first window of the fence is located 3 10 1 inches 78 742 mm from edge of printer casting See Fig 5 3 Ref HE 1 Note that this dimension adjus...

Page 95: ...head Tighten screws Refer also to Fig 5 19 Light Assembly No locating dimension from fence Refer para 5 2 13 3 B 1 Loosen adjusting screws on top of video amplifier board See Fig 8 12 item 35 and set...

Page 96: ...Figure HF 5 2 1 Operation Paper is fed manually between the paper pan upper HF 76 and the paper pan lower HF 85 As paper appears at paper pan front HF 89 pul up and place left and right sprocket holes...

Page 97: ...14 5 Slide shaft to the right and when shaft is flush with left chassis support HE 86 remove pin feed pulley HF 14 from belt HH 28 6 Remove shaft completely to the right and out 7 Remove coupler HF 1...

Page 98: ...Refer to Figure HH 5 2 8 2 Removal Replacement Procedure A Paper Drive Shaft HF 98 See Fig HF 1 Refer to paragraph 5 2 7 2 for Removal of Paper Knob HF 99 2 Remove spring HF 105 3 Loosen set screws H...

Page 99: ...s follows a Remove screws HG 11 to remove plastic belt paper guide HG 10 With a 1 5 millimeter 0 059 in allen wrench loosen set screws HG 2 on paper feed holders HG 1 20 Rotate eccentric stop sleeve H...

Page 100: ...ar for pin feed unit HF 7 Maintain 0 2 in 5 mm dimension between collar and left chassis HE 86 Tighten set screw Perform yiming fence adjustment if required Refer to para 5 2 6 3 Set left paper guide...

Page 101: ...g logic signals Operation of Clutch HH 14 with Paper Movement Solenoid Signal PMSOL As the armature slide pulls away from the inside cam HH 14 and pawl HH 95 towards the solenoid activated by logic co...

Page 102: ...e Form Feed Mechanism FF Unit FF Clutch Unit FF Clutch and Magnet Unit Tape Reader Lower Reader Lamp Holder Unit Tape Reader Unit upper Reader P C Board Unit OhoDo AO OW fm 5 2 9 3 Adjustments A Gear...

Page 103: ...e gear HH 27 counter clockwise clutch on condition Release spring activated slide HH 33 so that cam HH 14 and paw HH 95 will be held against the under side of the slide Make sure that when the tab of...

Page 104: ...ight chassis HH 81 to left frame chassis HE 86 Rotate left frame to change tension on belt b For proper tension of timing belt HH 28 move belt downward 3 5 millimeters 0 118 0 196 inch when load of 10...

Page 105: ...right or left on sliding driving slide shaft HI 103 When ribbon does not feed or ribbon feed mechanism binds for some reason a safety feature releases bal HI 76 from hole in driving shaft HI 79 and to...

Page 106: ...29 on bevel gear HI 27 on right Side of printer 3 Remove bevel gear and bushing 4 Remove snap ring HI 105 and washer HI 140 from drive shaft A on right side of printer 5 Repeat step C 1 through C 4 o...

Page 107: ...HI 91 89 remove snap rings HI 51 from pins HI 50 and remove pins Reassembly of Ribbon Spool Holders 1 To reassemble ribbon spool holders HI 35 55 reverse order of disassembly para D through H Ribbon D...

Page 108: ...gear HI 1 loosen two allen head screws HI 6 from sleeve HI 5 and slide off sleeve clutch spring HI 4 and gear 3 To reassemble reverse order of disassembly steps K 1 through K 3 5 2 10 3 Adjustments Al...

Page 109: ...ner Note When performing the next two steps adjust one set of gears for proper backlash then move ribbon reversing rod HI 92 in opposite direction to engage gears and adjust the other set of gears HI...

Page 110: ...n bevel gear HI 59 and bevel gear HI 27 is also 3 4 mm HI 90 5 lf mevearsennenl _ oF SIyo Nc HI 103 N A A HI 104 Figure 5 7 DRIVING SLIDE SHAFT A ADJUSTMENT 2 When bushings and holders HI 133 130 on l...

Page 111: ...ON REVERSING ROD ADJUSTMENT Control Spring HI 39 Ribbon Reverse Timing SeeFig 5 9 l When reverse control lever HI 88 turns left by moving ribbon reversing shaft HI 92 to left and if Engagement A Fig 5...

Page 112: ...left HI 42 59 should be timed so that they engage together after roller mounted on control spring passes over top of ramp of reverse control lever HI 88 Fig 5 9 Clutch Gear and Driving Gear Engagement...

Page 113: ...ne spool holder shaft HI 57 58 slightly forward H Guide Roller Adjustment HI 106 114 1 Adjust level of guide roller right or left HI 106 114 by loosening screws HI 117 to position guide rollers HI 119...

Page 114: ...ics Head and bundle and Light Assembly 5 2 13 2 Removal Replacement Procedures Refer to Figure B A Print Head 1 Refer to Section 5 2 1 2 steps 1 and 3 for removing the covers prior to removing head 2...

Page 115: ...ard including fibre washers B 27 placed as insulators and pad assembly B 28 Installation Video Amplifier and Cable Install the video amplifier B 22 and cable assembly B 12 B 13 in the following manner...

Page 116: ...B 35 screws must be flat head when right side of lamp housing is aligned parallel to edge of bracket Mount fibre optics head B 31 to bracket B 26 with screws B 37 lockwashers B 38 and flat washers B...

Page 117: ...FIBER OPTICS PARALLEL TO TIMING FENCE AS CLOSE AS POSSIBLE BUT NOT TOUCHING Figure 5 10 FIBRE OPTICS HEAD ADJUSTMENT FROM OPTIC FENCE A CORRECT ALIGNMENT BLACK LINE OF FENCE PARALLEL VERTICAL WITH SLI...

Page 118: ...prior to insertion into lamp ass y be certain lamp filament inside lamp B 41 is in a vertical plane paralleling slit B 40 in the opposing fibre optics head B 31 for maximum blockage of light by black...

Page 119: ...d hold rubber and Feplace GIVING CHIP TO ANOTHER PERSON a ground plane on LSI ComponentBoard and hold While holding pins of chip in one hand make contact with the other person until heis holdingthe ch...

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Page 121: ...tion is contained in Section 4 and associated drawings and parts lists are in Section 7 6 1 ADJUSTMENTS All mechanical adjustments are described in detail in Section 5 All electrical adjustments are s...

Page 122: ...weight oil choice of three Teilus No 27 Shell CDCC Spec No 30050005 Teresso No 43 Esso CDCC Spec No 30050006 Vacualine No 1405 Mobil CDCC Spec No 30050007 Grease CDCC Spec No 30050004 Oil Anderol No 4...

Page 123: ...ALLEL ASSEMBLY TO TIMING FENCE AS CLOSE ASPOSSIBLE BUT NOT TOUCHING 1a A CORRECT ALIGNMENT BLACK LINE OF FENCE PARALLEL VERTICAL WITH SLIT ONOPTIC HEAD TIMING FENCE B BRACKET TOO HIGH C BRACKET TOO HI...

Page 124: ...c Removeprint head cover and clean print head jewel using a Freon cleaning solution and a medium bristle cleaning brush See Fig below d Using an eye loupe verify that print wires align flush with face...

Page 125: ...max 0 003 0 007 in max 0 08 0 18 mm Ab OIL 4a a BACKSTOPPER 5 RIBBON FEED ASSEMBLY a Check all gears for wear and proper mesh 5 2 10 b Verify that ribbon spools rotate freely when driving slide shaft...

Page 126: ...tches no gap between armature and rotors 5 2 3 3 b For Series 101 verify a uniform gap between rotor and armature for forward and reverse clutches 5 2 3 3 Note Avoid use of any lubricant on the forwar...

Page 127: ...OTOR FOR P le LI sreasee OUTSIDE PORTION REAR OF ARMATURE FOR FRONT AND EAR CLUTCHES VIEW A 0 008 0 012 in 0 2 0 3 mm SERIES 101 ONLY 5 WS MAIN MOTOR TIMING BELT REV CLUTCH TIMING BELTS FWD CLUTCH TIM...

Page 128: ...the pin alignment on the pin feed tractor units 10 Check pin belt tension With printer power on 11 Check position of VFU paper tape over the light holes to insure proper detection of vertical tab and...

Page 129: ...pulley clutch setting P E 5 ERRATIC LINE SPACING REGISTRATION ALL CHARACTERS 4 Worn intermediate shaft 3 Broken clutch spring 1 i d dirt or bushings 4 cpozen ribbon reversing rod 1 pee isen platen kno...

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Page 131: ...s of materials for all the electronic assemblies in the Model lOJAL Note Refer to the Engineering Change Notice ECN sheets shipped with the printer for changes made to the printer which have not yet b...

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Page 142: ...cy JA PITIIy oo TO MOTORS 230 Vv wis w7st q 21 j22 232425 fee je7 28 29 30 7 TO MOTORS ON OFF JJ JJ Wi oO t we 4 2ij2z 23 24 es zc le7 C REVISED PER ECO 73010624 AIM NOTES 1 Wit 3 wis P l28 29 30 wee...

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Page 144: ...NG 47805 CAN BE USED AS ALTERNATE FOR LM302 Figure REVISIONS DESCRIPTION Orppl py ow mloleixjel zrjnimlo mn CRS INFOC cz 1000 ALF PIO D ANL Play al CRE IN4O0e Ni x s ici 4s Mluajid 5lalslolulalolo SEE...

Page 145: ...iring diagram Dwg 63002333 RS232 INTERFACE P16 RS232 OPTIONAL INTERFACE RS232 63004113 J6 J7 _ LO1AL LOGIC P S BOARD STANDARD S ay Hy J3 J4 J5 kabelbauu PRINTER HARNESS CONNECTOR Ji2 BOARD PS Se J14 I...

Page 146: ...This page left intentionally blank 7 16...

Page 147: ...1 1 Q Sd bg 3 3 OOUMPL 2aw e 9 yy IS 28 tore oo Ob 4 a cos aN seryey EH 8245006 2 41 J o o4 bi a womans ov a p oO 0 GO O 9 OQ vw Fob PO SAAS CS Ree a 4 Paede o 4 C6 Yoxddv 31v001 blaW za Es aa Dy AREA...

Page 148: ...IDENT NO view Z Z SCALE 2 1 Figure 7 15 GQQGLO Bi SECTION A A SCALE 2 1 SRING GEN G2o0o0njie lia le 42 Character Set ROMLocation Std 64 ME20 Additional 64 ME18 s ME20 30 Additional 64 ME18 24 COMPONE...

Page 149: ...C4 22506002 Capacitor 50 pf 25V 1 28 ME3 ME7 35474123 Integrated Circuit 74123 2 6 C5 C7 21104001 Capacitor 1 pf 16V 3 29 ME4 ME8 35474040 Integrated Circuit 7404 4 8 21104001 Capacitor 1 pf 16V ME10...

Page 150: ...et ee 4 7K 10 4 7K 710 2 2K 710 2 2K 10 2 2K 110 2 2K 710 2 2K kW 510 10K POT 10K POT 10K kW 210 10K kW 10 10K W 710 LIST OF MATERIAL FOR LOGIC POWER SUPPLY BOARD Quantity 1 15 63015102 Item 49 50 51...

Page 151: ...2 632 Cable Tie 53 Caution Label Quantity LIST OF MATERIAL FOR LOGIC POWKER SUPPLY BOARD 63015102 DOUBLE LINE FEED OPTION W Part Item Symbo Number Nomenclature 45 R23 41203926 Resistor 20K 4W 102 62 R...

Page 152: ......

Page 153: ...S3NGENG UY sO Baus 3 a1 ais 42 VBA BONG WEY 61 69 WEEE Its TINSN Twat dv orev neorty LSBs TOYDILTEIIA 3u0saG ONw ATNGrassw Lv amoua SO7 NIS S s l ni GL 235300 N00 AnduOl WY Him Oe WALI SMatos OLW S B...

Page 154: ...POWER DRIVER BOARD Ass y Dwg 63002242 1 Rev M7 Quantity Set 10 16 17 Item 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 49 50 51 52 53 54 55 56 14A 57 58 59 60 61 62 63 64 65 66 67 Symbol Q1...

Page 155: ...oo Bep Eo dtwowestoeevs BISZOOE DD WYADWIG BLVNBHIS Legit vs qmaigees SONIMVAO ADNaWasaSe Ssimusnio issinA avvineiew 400 A8tt T ssumvaw yerwesve staavisniwen T om 1nve ews wane T J T T Joma WW 3A 2 MO...

Page 156: ...470K kW 710 38239040 Transistor 2N3904 38239060 Transistor 2N3906 31460000 1 Lug No 4 63002257 1 Photocell and Housing Ass y 31430001 Lamp Socket 39610000 5 Wire Buss 22 AWG 39640000 4 Wire Hookup Te...

Page 157: ...1MA OF0NGOUdTE 80 sc 08 6 Ree O28V213 38 OL LON St ONY AUVI2INEDUd NOLLONGONd 81 MBWIH G3NIVLNOD NOLLVINMOINE SHL NMOHS SD ANS 1WAH Z Wall Loviniod LON IsnW Giolvinead BOWINIOA 2 Wau oy Q34L8a LON SI...

Page 158: ...ns Nylon 2 11 GR4 CRB 38087420 Diode IN4742 234 34517187 Screw PAN HD PHIL No 4 40 x 4 12 CRS CR9 38052460 Diode IN5246 9 16 Lg 13 35 34517247 Screw PAN PHIL 4 40 x 3 4 4 14 36 34815007 Washer Int Too...

Page 159: ...oeiwes Iproa Y22 OP1190EF 2 sqiuauuaa ee gaistaaas 20P woe 41 et deo serawco SOINOH LNID 40 NOISSIW ad NALINLAOH aaanaouaauo 2 27 4 22m 27 FOV a Tae 34 O01 LON Si GNY Au LU iB Si NIZ3U3H O3SNIVLNOS NO...

Page 160: ...nclature Component Board Mounting Bracket Spacer 50 1g LCBS 8 RITCHLOK Capacitor 10 uf 25V Capacitor 1 uf 16V Capacitor 100 uf 25V Capacitor 1 uf 500V Diode WG904 Diode IN4002 Integrated Circuit CA2 5...

Page 161: ...2 WBAMALLIUMInoriimcsanoeae uO STD OUD An Inne L ern ii _ om NMOMS SY eanyaiau 3001 Lon srony Auvistezoes NOLLIOQOMd paase ef Ook Soe 25 sods saw azu ei AVIKOMY ELVDON ONY SaaLOWaWHD aoWIa HOI aWHS Ee...

Page 162: ...uf 50V Resistor 470 ohms 5W 5 Diode Bridge Fuse Holder Fuse 5A S B Fuse 8A S B Speaker Clamp Cable Push Mount GROMMET 13 Lg Screw PAN PHIL 4 40 x Screw PAN PHIL 4 40 x 5 16 Screw PAN PHIL 6 32 x 5 8 S...

Page 163: ...l NMOHS sv DWAG LS e OO0 22 joOINid ld spy LDBa aaa ot DWAII4 al OSG S2ZIENId Cid GNid td asa MANO NOLZ N DVAS LS e COO22 SBNid Eld oy i9sy aad Se 1 LO ANNO DVAII BI OS S2 LNid ldi ANid Id asa Z TW Ma...

Page 164: ...8 Wire Red Teflon 18 AWG 39640000 9 Wire Blk Teflon 16 AWG 39640000 9 Wire Wht Teflon 16 AWG 39690000 2 Lacing Tape Blk 31460005 4 Solder Lug 30070000 Solder 60 40 36550002 1 Wire Marker Thru 36550002...

Page 165: ...FHC LONIMvad BONaAAaaAsa choo ajnduuoo eyep iWnesonvaeaya L smuauiuas st egatatoses 3SIMYAHLO SS3INN NOLLONGOUd e avon aes L _ 2 Wer SINS 1 OrAN AD elias seeds me Se0uls viva 2 SS Ee Namilad VLva blvd...

Page 166: ...31230038 Connector 44 Contacts 1 2 J13 31310019 Connector Receptacle 1 3 39648505 4 Wire Red No 26 AWG AR 4 39648505 4 Wire Wht No 26 AWG AR Ss 39648505 4 Wire Yel No 26 AWG AR 6 39648505 4 Wire Blk...

Page 167: ...NAWIC I JS NI AONVLSIS3ay 2 I 7 Ni aoNwilowdwo 11 aainges ASIMUSRHIO SSaINN siviusivw ao asty ALLNVAD Wwissivw BERAVIS NE WO NM OM LUva amas wes i Z ATAWA3ASSV 328e0sdRd NIL ONY G2 SAGNSA NV dlaais 4...

Page 168: ...Dwg 63002252 Rev D Item Symbol Nanber Nomenclature Quantity 1 39 20001 PowerCable 1 2 31460002 3 Splice 3 36150000 Strain Relief Bushing 1 4 31460000 2 Solderless Terminal No 6 1 5 30070000 Solder 60...

Page 169: ...stment Procedures for that assembly in Section 5 Reference Figure Designation Description 8 1 Mechanical Subassemblies Series 101 8 1 A Cover Assembly 8 2 HA Carriage Mechanism 8 3 HB Drive Mechanism...

Page 170: ......

Page 171: ...Lil e J tu co oe LJ Y Y C Ca Y Ce x NI Y t C lu CO es Om Lis Lil Y i Figure 8 we Vy eR uot MIR A _ GEV S f Tag t REFER TO THE BEGINNING OF SEC TION FOR POSSIBLE CHANGES NOT YET INCORPORATED ON THIS PA...

Page 172: ...ed Mechanism HG 5 2 8 Electronics Cavity Assembly Electronic Card No 2 Electronic Card No 1 Interface Card Option 12 Volt Regulator 5 Volt Regulator Connector Board Assembly Ribbon Feed Mechanism HI 2...

Page 173: ...REFER TO THE BEGINNING OF SEC TION FOR POSSIBLE CHANGES NOT YET INCORPORATED ON THIS PAGE REF FRAME HE 1 TO ITEM 16 22 50 Figure 8 1 COVER ASSEMBLY A 8 3 REV C...

Page 174: ...achine Assy HE 1 Cover Assy Base Cover Assy Right Cover Assy Left Cover Assy Front Cover Assy Top Cover Assy Rear Standoff Bal Stud Standoff Ball Stud Rubber Pad Cable Clamp Assy Dowell Pin Fan Conn E...

Page 175: ...Figure 8 2 CARRIAGE MECHANISM HA REV A 8 5 REFER TO THE BEGINNING OF SEC TION FOR POSSIBLE CHANGES NOT YET INCORPORATED ON THIS PAGE...

Page 176: ...p ring for HA 25 30 Spring washer for HA 25 30 Nut for HA 25 30 Axle for HA 31 Quantity MO A Ww me me ne ENN me RD Mm FR RD oe 8 6 Reference Number HA 31 HA 32 HA 33 HA 34 HA 35 HA 36 HA 41 HA 42 HA 4...

Page 177: ...SZ ROTATED 90 CLOCKWISE HE 1 REF Figure 8 3 DRIVE MECHANISM HB PART 1 REFER TO THE BEGINNING OFSEC TION FOR POSSIBLE CHANGES NOT YET INCORPORATEDONTHIS PAGE 8 REV C...

Page 178: ...p Ring for HB 27 Tensioner Unit Front Note This unit is assembled with parts covering from reference number HB 33 to HB 39 Tensioner Bracket Front Tensioner Felt Washer for HB 34 Axle for HB 34 Spring...

Page 179: ..._ FORWARD 77 CLUTCH UNIT a 7 REVERSE 7 CLUTCH UNIT 144 Figure 8 3A DRIVE MECHANISM HB PART 2 REFER TO THE BEGINNING OF SEC TION FOR POSSIBLE CHANGES NOT YET INCORPORATED ON THIS PAGE...

Page 180: ...asher for HB 52 Spacer for HB 140 Reverse Clutch Side Pre Load Clutch Unit for Forward Reverse Clutch Note This unit is assembled with parts covering from reference number HB 140 through HB 144 Clutch...

Page 181: ...HE 1 REF REFER TO THE BEGINNING OF SEC TION FOR POSSIBLE CHANGES NOT YET INCORPORATEDON THIS PAGE REV C Figure 8 4 SPRING DRUM HC...

Page 182: ...001 007300616 021300106 007400516 Part Name Spring drum complete unit Note This is assembled with parts covering reference number HC 1 and HC 3 through HC 13 spring drum w main spring Snap ring for HC...

Page 183: ...CH YAdWvd G g aunbly 906 payei0y REV A 8 13 REFER TO THE BEGINNING OFSEC TION FOR POSSIBLE CHANGES NOT YET INCORPORATED ON THIS PAGE...

Page 184: ...s covering from reference number HD 1 to HD 12 HD 14 to HD 21 HD 23 to HD 25 and HD 27 through HD 34 and HD 37 Damper cylinder Piston rod Cushion rubber for HD 4 Washer for HO 2 Piston Packing Steel W...

Page 185: ...HK 32 LEFT HK 31 RIGHT ALL PARTS REF HJ Figure 8 6 FRAME HE REV C 8 15 REFER TO THE BEGINNING OF SEC TION FOR POSSIBLE CHANGES NOT YET INCORPORATEDON THIS PAGE...

Page 186: ...7 HK 78 8 16 Part Number 005300814 525629001 525651001 007301816 021300106 028030246 525633001 525631001 007400616 025040236 007400816 028040247 525187001 007400616 525720001 525721001 525725001 00130...

Page 187: ...Figure 8 7 PAPER FEED MECHANISM HF REFER TO THE BEGINNING OF SEC TION FOR POSSIBLE CHANGES NOT YET INCORPORATED ON THIS PAGE 8 17 REV C...

Page 188: ...me Holder for HF 3 Bushing for HF 98 Retainer for HF 3 Screw for HF 2 4 Snap ring for HF 98 Guide bar for pin feed unit Collar for pin feed unit Set screw for HF 8 Screw for HF 7 Nut for HF 7 Set scre...

Page 189: ...7 a a e aS Aer mS wt SY a 5 RIGHT 7 Y is t Oo 5 LEFT REFER TO THE BEGINNING OF SEC TION FOR POSSIBLE CHANGES NOT 8 19 YET INCORPORATEDON THIS PAGE Figure 8 8 PIN FEED MECHANISM LEFT AND RIGHT HG...

Page 190: ...with parts covering from reference number HG 1 Part Name to HG 19 Pin feed holder right Set screw f Driving sle Washer for Driving pulley for HF 3 Set screw f Eccentric sleeve for HF 1 Driving pul Dri...

Page 191: ...AND 22 S ASSEMBLED SEE VIEW B ec 15 A __ ROTATED 180 31 REF TO PIN FEED PULLEY HF 14 ON DRIVING SHAFT HF 98 FOR PAPER FEED MECHANISM a Figure 8 9 FORM FEED MECHANISM HH REFER TO THE BEGINNING OFSEC T...

Page 192: ...his unit is assembled with parts covering from reference number HH 43 to HH 54 Reader bracket lower Sprocket for tape Set screw for HH 44 Shaft for HH 44 Gear for HH 46 Quantity 1 S PP fP Bw KY ee pe...

Page 193: ...45 L_ REF HE 85 Cp REF HE 86 LEFT SIDE RIGHT SIDE Figure 8 10 RIBBON FEED MECHANISM HI REFER TO THE BEGINNING OFSEC TION FOR POSSIBLE CHANGES NOT YET INCORPORATEDON THIS PAGE 8 23 REV C...

Page 194: ...HI 79 Ball for HI 75 Spring for HI 76 Set screw for HI 77 Driving shaft Clutch spring for HI 79 Bevel gear for HI 79 Set screw for HI 81 Bushing for HI 79 Holder for HI 83 Quantity PB P FF H DM FH PQ...

Page 195: ...22 207216000 Splicer 2 8 HJ 23 925570001 Wire W 66 1 HJ 30 25674001 Splicer cap 3 1 HJ 31 516218001 Groundwire for transformer 2 HJ 32 515456001 Groundwire for main motor 1 HJ 33 007400516 Screw for H...

Page 196: ...INSERT S beOPTIC 4 BUNDLE 31 NIE Is S Tr 6 FURNISHED WITH PAD CLAMP B 28 Figure 8 12 PRINT HEAD AND ASSOCIATED ASSEMBLIES B REFER TO THE BEGINNING OF SEC TION FOR POSSIBLE CHANGES NOT YET INCORPORATED...

Page 197: ...age Unit Cover Print Head Nut Locking Solenoid Screw Hex Socket Cap 4 40 x 5 819 Connector Fingerboard Part of cables HN 12 13 Ribbon Cable Bottom Ribbon Cable Top Cable Clamp Assembly Cable Tray Scre...

Page 198: ......

Page 199: ...when dummy character is de tected at memory output CSLF Cause Line Feed Line feed command 5 6 24 2 3 2 24 1 from LSI chip 1 DATA 1 The 8 input data lines coming from P5 V T U DATA 8 the input device t...

Page 200: ...sed to select optional 10 8 24 3 15 13 24 4 character sets by use of TB8 RTPSW Ready to Print switch informs LSI P4 J 24 2 9 28 24 2 chip 2 that carriage is at left position SELECT LAMP Operator panel...

Page 201: ...3 054 055 056 062 063 064 065 066 C C 7 O72 074 O75 076 O77 at 102 104 10S 106 107 is I2 l22 123 124 125 126 127 I3 32 133 35 136 137 UM HTH 6 CONTROL CODES 007 BELL 014 FORM FEED 177 DELETE 012 LINE...

Page 202: ......

Page 203: ...ondition and then responds with an acknowledge pulse As a standard feature in all printers except the 101 data strobe is not recognized until the last character has been acknowledged gated data strobe...

Page 204: ...ches 3 3 5 sec 3 3 5 sec 3 3 5 sec 3 3 5 sec 1 5 2 0 sec 3 3 5 sec 3 3 5 sec 1 5 2 0 sec Delete 3 msec 100 400 usec 3 msec 100 400 usec 100 400 usec 100 400 usec 100 400 usec 100 400 usec Bell 2 sec 0...

Page 205: ...t one printable character in that line 16 28 ACKNLG Printer Acknowledge pulse indicates the input of a character into memory or the end of a functional operation ll 29 BUSY Printer A level indicating...

Page 206: ...s the interval between the specified signal at the re ceiving end of a cable and reference signal in the receiving unit It is measured at the 2 4 volt point for a logical ONE and 0 4 volt for a logica...

Page 207: ...s of the initial surge current and the steady state Operating current with the printer not printing are shown in the following table Operating Current Model Surge Current with printer not printing 101...

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