Oki PACEMARK 4410 Service Handbook Download

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PACEMARK 4410
PRINTER

SERVICE HANDBOOK

Summary of Contents for PACEMARK 4410

Page 1: ...PACEMARK 4410 PRINTER SERVICE HANDBOOK...

Page 2: ...PREFACE This maintenance manual describes how to maintain the Pacemark 4410 printer in the field This manual is for customer engineers For further information refer to the Users Manual for handling o...

Page 3: ...upply circuit 33 2 2 Mechanical Operation 34 2 2 1 Printhead mechanism and operation 34 2 2 2 Spacing operation 36 2 2 3 Head gap adjusting 37 2 2 4 Ribbon drive 40 2 2 5 Paper Feed Mechanism 41 2 2 6...

Page 4: ...Cord Assy 77 3 3 25 Knob Bracket Assy 78 3 3 26 Space Belt 79 3 3 27 AG Sensor Frame Start Searching Sensor 80 3 3 28 Paper Jam Sensor Assy Bail PE Sensor Assy 81 3 3 29 Sprocket Assy L R Front Tract...

Page 5: ...ace Motor Sensor PCB RS232C I F IEEE 1284 I F Bail motor Tractor change motor LF motor Head FAN Bail position SW Tractor change SW Front PE SW Rear PE SW Paper jam sensor Paper top sensor AG sensor co...

Page 6: ...nter mechanism Main control Motor driver board Head driver board Interface Motor Sensor board including IEEE 1284 bidirectional parallel interface and RS 232C serial interface Motor Sensor and AG sens...

Page 7: ...1TH Draft Version 7 1 3 Option Specifications Options available for Pacemark 4410 are as follows 1 Interface boards a Oki HSP MUPIS Network card b 300 500 Series Serial HSP Adapter RS232C RS422A Curre...

Page 8: ...terleaf paper 9 to 14 lbs with front feed Corbon paper Four sheet maximum including original 34 g m2 9 lbs with rear feed When 7p or more papers are used for the front tractor High Impact Copy should...

Page 9: ...Dot wire diameter 0 36mm 0 014inch 8 Line feed Speed 6 LPI spacing one LF 60 ms 8 LPI spacing one LF 52 ms Continuous paper feed rate is 15 inches per second at head gap 1 2 9 Line Feed Pitches 6 LPI...

Page 10: ...n quiet utility mode ISO 7779 15 Ribbon Genuine OKI cartridge ribbon Ink color Black Ribbon life Approximately 15 million characters Characters in Utility mode 16 Reliability a MTBF mean time between...

Page 11: ...e peripheral circuit 1 Microprocessor IC24 80C186 16 This processor is a CMOS single chip computer with integrated peripheral device functions and a 16 bit MPU core The processor has a 20 bit address...

Page 12: ...EP POWOFF P POWDOWN P AC DOWN P POW ONRST N POWALM P CG ROM 4M PRG ROM 4M Slit sensor IEEE1284 BUF BUF BUF OPpanel OPpanel LSI DRAM 4M RS232 LSI D R EEPROM LCD HEAD Head driver AG sensor Ribbon motor...

Page 13: ...s program The program ROM is assigned to the program memory area of the MPU and is fetched by the RD signal of the MPU The following shows the operation of the memory access Figure 2 2 MPU CLOCK ALE A...

Page 14: ...ers such as receiving buffer printing buffer DLL buffer and working buffer The following shows the examples of the memory access operation MPU CLOCK ALE A16 BHE AD0 AD15 RD AD0 AD15 WR CS AD0 AD15 A16...

Page 15: ...ters stored CG ROM is assigned to the program memory area of the MPU and is fetched by the RD signal of the MPU The following shows the memory access operation MPU CLOCK ALE A16 BHE AD0 AD15 RD CS AD0...

Page 16: ...ry access operation Figure 2 5 NHDC LSI EEPROM EEPROMWR P EEPROMCS P EEPROMRD P EEPROMCLK P DI CS DO SK Ready Bus twp D0 D15 A0 A5 1 1 0 Start code Operation code Address Data tCS PRE O PE Address Sta...

Page 17: ...pins on the print head c Space motor speed control function It controls the space motor with micro programs to accelerate decelerate it This LSI also controls the speed of the space motor in agreement...

Page 18: ...40496501TH Draft Version 18 Figure 2 6 MPU CLOCK ALE A16 BHE AD0 AD15 RD AD0 AD15 WR CS AD0 AD15 A16 BHE MPU Main LSI A16 BHE A0 A15 D0 D15 A0 A15 D0 D15 ALE RD WR CS CLK...

Page 19: ...t output buffer e External interface It controls various interfaces for main LSI IEEE1284 serial MUPIS OpePaneLSI EEPROM f Motor drive interface Each control of OVDV pulse generation for AG motor gene...

Page 20: ...t reset the MPU The program here sets the mode of the LSI including the MPU checks the memories ROMs and RAMs then carries out carriage homing and determines the LF motor phase Finally the program est...

Page 21: ...5 Parallel Interface Control The Parallel data input from the host to the NHDC LSI is latched to its internal register at the falling or rising edge of the STROBE N signal At the same time the LSI set...

Page 22: ...er and input to the serial I F LSI and NHDC LSI The serial I F LSI converts serial data into parallel data to output it to the MPU Output signals DTR RTS SSD and TD to the serial I F are output from t...

Page 23: ...moved print start position printing speed etc to the LSI and activates the spacing motor The MPU when the carriage arrives at the print position specified activates the printer to start printing and...

Page 24: ...riving time determination inside the LSI 1 Correction for the number of pins driven The driving time is corrected according to the number of pins driven at the same time out of 18 pins 2 Correction ac...

Page 25: ...40496501TH Draft Version 25 Figure 2 12 Dot magnet drive coil current DT1 signals D1 D18 DT2 signals D1 D18 DT2 Basic drive time 1 2 3 DT1 Basic drive time 3...

Page 26: ...line c Temperature compensation See2 1 14 Alarm Circuit d Print mode compensation According to the thickness of the printing medium the print mode is compensated as shown in the table below Head Gap R...

Page 27: ...HDC LSI to generate head drive timing 2 1 11 Line feed The LF motor is locked by the current supplied from 12V according to the pulse duty of the LFCHOP P signal during the stop period It is driven by...

Page 28: ...ersion 28 2 1 12 Bail tractor switching AG ribbon motor control Bail tractor switching AG and ribbon motor control is as shown below The AG motor is locked with AGHOLD P MO 1 MO 2 MO 3 MO 4 MO OVDV AG...

Page 29: ...tion with the OPSCLK N signal The LSI decodes this command and when it is found to be legal returns a 2 byte command response back to the NHDC LSI which includes data on Switch information LED status...

Page 30: ...turned before decoding the command OPDATAOUT P OPSCLK N OPDATAIN P OPSQCR N 1 2 3 2 3 1 6 7 5 or 8 bit0 bit7 Command first Command second Command response first Command response second Note bit0 bit7...

Page 31: ...r alarm circuit rises when the potential goesabovethealarm1specificlevel MPUgoesintoalarm1procedure simultaneouslyMPU continues to check if the potential goes above alarm 2 specific level When going b...

Page 32: ...al after each line to cool down the printer When the temperature becomes lower than the specified normal printing will be resumed 8 Fuse alarm circuit Fuses are mounted on each of the SP motor and the...

Page 33: ...pon detection of an abnormal temperature rise in the power supply circuit or an overcurrent of 44V The control unit suppresses the overcurrent by two pass printing If the output does not change the po...

Page 34: ...is connected to the control circuits through the control board Figure2 20 Arrangement of the head pins View from the tip of the printhead 1 The printhead configuration The printhead is composed of the...

Page 35: ...flux will generate in the opposite direction against that of the permanent magnet and a restoring force of the armature in the opposite direction against the core and then the print wire impinge on t...

Page 36: ...rriage frame When the DC servo motor runs clockwise as viewed from its front side the driving force is transmittedtotheminipitchbeltandthecarriagemovesfromthelefttotheright TheDCservo motor rotating a...

Page 37: ...paper gap open position As the off line mode is released shifted to on line after platen reverses the AG motor drives the platen to the direction that the space between the print head and platen beco...

Page 38: ...ollar Moving direction of platen Platen Bearing Cam roller Core Coil EI sensor Sensor frame Deflecting direction of sensor frame AG press plate Carriage frame Platen Platen Bearing Cum roller AG motor...

Page 39: ...40496501TH Draft Version 39 3 AG detector detail drawing Head AG plate Paper AG sensor flame Core gap AG plategap Ferrite core Figure 2 25...

Page 40: ...ndless ribbon 2 Feeding The ribbon feeding mechanism starts running regardless of whether the printer is printing or not and stops at the same time when the spacing motion stops When the ribbon motor...

Page 41: ...ear change gear and front tractor drive gear driving the pin belt of hte front tractor Assy This feeds a continuous paper set on the pin belt Simultaneously this drives the feed roller F R through the...

Page 42: ...riving the pin wheel and pin belt of the tractor Assy This feeds a continuous paper set on the pin belt Simultaneously this drives the feed roller F R through the mini pitch belt following LF gear to...

Page 43: ...orth through gears so that the change gear moves transversely If the change gear is shifted to right the rotational force is transmitted to the front tractor gear driving the front tractor If the chan...

Page 44: ...6501TH Draft Version 44 Front drive shaft Front tractor drive gear Change gear LF gear Rear tractor drive gear Change motor Change lever Rear drive shaft Rear tractor drive Front tractor drive Figure...

Page 45: ...r 1 Bail close position This position is for the condition where a paper is being printed and carried with both bail Assy and feed roller front upper closed 2 Bail open position This position is for t...

Page 46: ...40496501TH Draft Version 46 i Close position ii Open position iii Half open position Half open Open Open Close Close Close Cam Bail lift pin Bail lift lever Figure 2 32...

Page 47: ...roswitch is set to the ON state When the form runs out the paper end lever comes into the hole on the sheet feeder cover rib and the bottom of the paper end lever leaves the microswitch to turn it off...

Page 48: ...40496501TH Draft Version 48 3 Rear tractor Form Sheet feed cover rib Pin tractor L Paper end lever Micro switch Figure 2 34 Rear form end detection mechanism...

Page 49: ...in the middle of installation follow the instructions 3 PARTS REPLACEMENT The section explains the procedures for replacement of parts assemblies and units in the field Only the removal procedures ar...

Page 50: ...art Unit Print head Printer Unit Disassembly prohibited parts Print head Space motor Ribbon pulse motor Autogap motor Tractor change motor Bail motor Eccenttric collar L R within the bearing on the ad...

Page 51: ...3 1 Service Tools No No 1 100 Philips screwdriver Q ty Place of use Remarks Service Tools 1 2 3 4 5 6 8 No 2 250 Philips screwdriver Magnetized No 3 100 screwdriver No 5 250 screwdriver Digital multim...

Page 52: ...40496501TH Draft Version 52 Figure 3 1 3 2 Parts Layout...

Page 53: ...40496501TH Draft Version 53 3 3 How to Change Parts This section explains how to change parts and assemblies appearing in the disassembly diagram below...

Page 54: ...ide L 0 sliding it to the arrow direction 4 Unscrew 4 screws A and the screw B 5 Release Hooks C then remove Cover Assy Front D and Door Assy Front E 6 Unscrew 4 screws F then lift and remove Frame As...

Page 55: ...oard 3 4 Unplug the connector to Power Supply Assy 6 and unscrew 2 screws 8 then remove FG Wires 9 5 Unplug Junction Board Cord 0 from Junction Board PRA Printed Board CN1 6 Unplug SP Slit Sensor Cord...

Page 56: ...ection Control Board PMA Printed Board and Driver Board PDA Printed Board Unscrew 2 screws 3 then pull Driver Board PDA Printed Board 4 upward and release it from the connecting position to Control Bo...

Page 57: ...6 Pulling forward the protrusion on Power Supply Unit 1 and sliding it in the arrow direction through 2 inserting positions remove Power Supply Unit 6 For installation reverse the removal procedure No...

Page 58: ...2 to Junction Board PRA Printed Board CN13 1 3 Unscrew 2 screws 3 and remove PG Cooling Fan 4 4 For installation reverse the removal procedure Note on Installation 1 Mount the fan to produce wind in t...

Page 59: ...e screw 1 and remove Cable Holder 2 3 Unscrew 2 screws 3 and remove I F Board Holder Cover 4 4 Unplug all the connectors to I F Board PHA Printed Board 5 5 Unscrew the screw 6 and 4 screws 7 then remo...

Page 60: ...pping tie 6 then remove AG Board PGA Printed Board 3 and unplug AG Slit Sensor Cord 4 6 For installation reverse the removal procedure Note on Installation 1 The distance to Slit Disk should be 0 5 mm...

Page 61: ...2 screws 1 and remove Bail Gear Assy 2 3 Unscrew 2 screws 3 and remove AG Motor Assy 4 4 Unscrew 2 screws 5 and remove Motor 6 5 Remove Idle Gear 7 and Tractor Idle Gear 8 6 For installation reverse...

Page 62: ...Rear Plate Front stuck See 3 3 1 2 Unscrew 2 screws 1 and remove Shaft Support Plate press fit 2 3 Screw down the screw 3 and turn Idle Pulley Assy 4 into the right direction 4 Remove Mini Pitch Belt...

Page 63: ...e I F Board See 3 3 6 4 Release the cords from Cord Clamp 3 on the cord route 5 Unscrew 2 screws 4 and remove Cable Holder 5 6 Unscrew the screw 6 and cut the wrapping tie 7 7 Remove Micro Switch 8 8...

Page 64: ...Board CN2 B 3 Unplug the connectors A from I F Board PHA Printed Board CN11 B 4 Release the cords from the cord clamps on the cord route 5 Unscrew the screw 2 and cut the wrapping tie 6 Remove Micro S...

Page 65: ...ate Front stuck See 3 3 1 2 Remove I F Board See 3 3 6 3 Remove Printer Unit See3 3 2 4 Remove Tractor Change Motor Assy See3 3 10 5 Unscrew 3 screws 1 and remove LF Motor 2 6 For installation reverse...

Page 66: ...Junction Board PRA Printed Board CN6 6 3 Release the cords from the cord clamps on the cord route 4 Unscrew 2 screws 2 and remove SP Motor Fan Assy 3 5 Unscrew 2 screws 5 and remove Head Cooling Fan 1...

Page 67: ...move Cable Holder Cover 2 3 Unplug the connector 3 from I F Board PHA Printed Board CN6 6 4 Release the cords from the cord clamps on the cord route 5 Unscrew 2 screws 4 and remove Head Cleaning Fan 2...

Page 68: ...ords from the cordclamps on the cord route 9 Unscrew 1 screws C and remove FG Mesh 3 10 Unscrew 4 screws A and remove Space Motor 6 11 For installation reverse the removal procedure Note on Installati...

Page 69: ...2 from Operator Board POA Printed Board CN1 1 3 Unscrew 2 screws 3 and Remove Operator Block Assy 4 4 Unplug the connector 8 from Operator Board POA Printed Board CN2 1 5 Unscrew 3 screws 5 and releas...

Page 70: ...ssy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Unplug the connector 1 from Junction Board PRA Printed Board CN9 7 3 Unscrew 2 screws 2 and remove Ribbon Feed Assy 3 4 Release the cord wrappin...

Page 71: ...o the recess on the right seen from the front 3 Pull out Ribbon Guide 1 upward 4 Unscrew 2 screws 2 and remove Printing Head 3 from the connector 5 For installation reverse the removal procedure Note...

Page 72: ...nector green 4 7 Unscrew 2 screws 5 and remove Head Cable Cover 6 8 Unplug Head Cable 7 pulling it to the left 9 For installation reverse the removal procedure Note on Installation 1 When the head cab...

Page 73: ...4 Unscrew the screw 4 and remove Paper Width Sensor 5 5 Unplug the connector 6 6 Remove 2 Ribbon Guide Posts 7 and 2 washers 8 7 Remove Ribbon Protector 9 8 For installation reverse the removal proced...

Page 74: ...ee 3 3 1 2 Remove Printer Unit See 3 3 2 3 Unscrew 2 screws 1 and unplug the connector 2 from Junction Board PRA Printed Board CN12 4 then remove Space Motor Fan 3 4 For installation reverse the remov...

Page 75: ...Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Unplug all the connectors from the above 3 Unscrew 2 screws 1 and remove Junction Board PRA Printed Board 2 4 Unscrew 3 screw...

Page 76: ...ove Ribbon Bracket 3 4 Unplug the connector 4 from Junction Board PRA Printed Board CN4 8 then remove Cover Open Switch Assy Ribbon Rotation Sensor 5 5 Unscrew 2 screws 6 and remove Cover Open Switch...

Page 77: ...1 2 Unplug 4 cables 1 3 Unscrew 2 screws 2 and remove Interlock Switch 3 4 Unplug 6 connectors 8 5 Unplug connectors 4 to Spacing motor code 5 6 Unplug Interlock Switch Cord Assy 7 from the cable cla...

Page 78: ...3 and remove Knob Bracket Assy 4 4 Unscrew 2 screws 5 and remove AG Sensor Cover 6 5 Unscrew the screw 7 and remove Knob Cover 8 6 Remove the E ring 9 Gear 0 and Adjusting Knob A 7 Remove Spring Pin...

Page 79: ...ck See 3 3 1 2 Remove Space Motor See 3 3 15 3 Remove Printing Head See 3 3 18 4 Remove Idle Pulley 1 from Idle Pulley Bracket then remove Space Belt 2 5 Unscrew 5 screw and pull out Connector Guide 3...

Page 80: ...w 8 and release the latch then remove Start Searching Sensor Lever Assy 9 and Start Searching Sensor Cord 0 together 6 Unscrew the screw A and unplug the connector B from I F Board CN9 then unplug Sta...

Page 81: ...Assy Rear Plate Front stuck See 3 3 1 2 Unscrew the screw 1 and release the latch then remove Paper Jam Sensor Assy 2 3 Unscrew the screw 3 and release the latch then remove Bail PE Sensor Assy 4 4 Un...

Page 82: ...amps and remove the Snap Band 7 Release the claw to remove Front Tractor Drive Gear 4 8 Pull out Front Tractor Drive Shaft 5 to the right 9 Unscrew 2 screws 6 and remove Front Lock Shaft 7 Sprocket As...

Page 83: ...ove Lock Shaft D with Sheet Feeder Assy L Rear 8 and Sheet Feeder Assy Rear R C on 11 Release Lock Lever E and remove Sheet Feeder Assy L Rear 8 and Sheet Feeder Assy Rear R C from Lock Shaft D 12 For...

Page 84: ...40496501TH Draft Version 84 2 A 6 7 4 2 B 5 8 3 D 1 E E F 9 C B Align the hole positions When mounting Releasing the Gear latches Wave Eling Washer Bush Drive shaft R Side View...

Page 85: ...f mark on 4 drive gearB and install 2 drive gear B to 5 3 rear drive shaft of the rear tractor Assy at a position where the directions of marks on 4 drive gear B and 2 rear tractor drive gear match 8...

Page 86: ...ive Gear B 7 and Drive Gear C 8 to the oblique upper direction and remove Bearing Bail 0 8 Remove 2 Bail Springs A 9 Remove Screw Stud B 10 Slide Bail Support Shaft C to the right then remove it from...

Page 87: ...ewdriver No 2 200 screwdriver Feeler gauge 500 g rod tension gauge Calipers Adjustment should be conducted after removing the Rear Cover B and setting the Dip Switch 1 on the board to ON maintenance m...

Page 88: ...mm Notes Although the adjustment should use a range from 0 12 to 0 16mm the configura tion should use a range from 0 09 to 0 2mm 2If adjustment is required screw down the ribbon guide post with the Ph...

Page 89: ...v printed it is the end of the auto gap correction 3The auto correction value from 09 H to 18 H is desirable If any value other than this is indicated the AG plate gap should be adjusted again See Ite...

Page 90: ...PLETE is indicated on the LCD The cover should be closed during this process Notes In the following cases this adjustment should be implemented 1 After replaceing the Control board not required after...

Page 91: ...between the idle gear and the adjusting cam 1Verify the backlash is 0 2 mm bet ween the idle gear A and the drive gear B and between the idle gear B and the idle gear C 2If adjustment is required scr...

Page 92: ...ainst the carriage Notes 1 To prevent the float of head when tight ening the screws Notes 2 Tightening the screws while pressing the head in the direction of 3Adjust the backlash of screws so that the...

Page 93: ...ft drawing Number 5 4 3 2 1 0 1 2 3 4 5 Correction dot position of reverse printing Printing position is shifted by 0 25mm to right of the reference position Printing position is shifted by 0 20mm to...

Page 94: ...e sure to apply lubricating oil to that portion after cleaning 1 Cleaning time When the equipment time has reached six months or 300 hours whichever comes first 2 Cleaning tools Dry cloth soft cloth s...

Page 95: ...40496501TH Draft Version 95...

Page 96: ...Width Sensor Remove the dust on the Sensor Ribbon Jam Sensor Remove the dust on the Sensor Paper Out Sensor Remove the dust on the Sensor Paper Jam Sensor Remove the dust on the Sensor 2 Lubricant Pan...

Page 97: ...Gear Teeth Surfasce GEP A Gear Teeth Surfasce GEP A Shaft PM B 2 points at left and right Bail Lift Lever Rack GEP A at left and right Sliding Surface between Feed Shaft Bearing and Side Frame at upp...

Page 98: ...A Adjusting Cam Surface GEP A at left and right Idle Pulley Shaft PM B Shaft PM B 3 points at left and right Shaft PM B 2 points at left and right Gear Teeth Surface GEP A Gear Teeth Surface GEP A Sli...

Page 99: ...40496501TH Draft Version 99 Sliding Surface between Platen Slide Plate and Platen TEP A 2 points at upper and lower Platen Slide Plate Platen Side Frame...

Page 100: ...40496501TH Draft Version 100 Sliding Surface between Pressure Roller Piece and Feed Roller Shaft 3 points GEP A Feed Roller Shaft FU Pressure Roller Piece Front Spring...

Page 101: ...A Gear Teeth Surfasce GEP A Between bush and Shaft PM B Between bush and Shaft PM B Between Gear and Shaft PM B Between Gear and Shaft PM B Between Gear and Bracket GEP A Between Gear and Bracket GEP...

Page 102: ...on GEP B 4 points Apply a small amount of Albania grease on the teeth surface of the rack GEP B both right and left Apply a small amount of Albania grease on the stud sliding surface All periphery GEP...

Page 103: ...40496501TH Draft Version 103 Apply a small amount of Albania grease on the stud sliding surface GEP B both right and left...

Page 104: ...ng to the detailed flowchart 5 Carry out a thorough test after the repair to check for correct functioning 6 2 Troubleshooting Table Table 6 1 Status Details Flowchart item No Trouble upon power on Po...

Page 105: ...t the printer is in the self test mode Indicates that the printer is in the menu mode Front form end Rear form end Paper Eject Jam Paper Load Jam Paper Park Jam Paper Feed Jam Paper Jam RIBBON FEED JA...

Page 106: ...d Indicates that Access Cover is opened Indicates that Cover Open Alarm occured when data remained inside Cover Open during space system operation then Cover was closed For details see paragraph 2 fau...

Page 107: ...I N L S I B A I L Error Category LCD Comments Remedies RAM ALARM ROM ALARM PROGRAM ALARM ENGINE ALARM D RAM Error S RAM Error Program ROM Error CG ROM Error EEPROM Error Watch Dog Time Error Invalid I...

Page 108: ...C T Error Category LCD Comments Remedies ENGINE ALARM OPERATION PANEL ALARM FLASH MEMORY ALARM MUPIS ALARM OPTION ALARM Ribbon Motor Error Paper Width Sensor Error LCD Time out Error Flash Memory Chip...

Page 109: ...the detail positions PRA AC Inlet PGA POWER SUPPLY UNIT PMA PDA PHA Control Block Assy Operation Panel Assy Interface Assy LCD UNIT Option Board POA CN2 CN13 CN6 CN4 CN2 CN5 CN2 CN1 CN1 CN4 CN2 CN12 C...

Page 110: ...sor Platen Ribbon Motor RibbonJam Sensor Interlock Switch SP Motor Space Slit Sensor PGA PCB Auto Gap Slit Sensor Auto Gap Motor Connector to Auto Cutter Unit Rear Tractor Sheet Jam Sensor Bail Paper...

Page 111: ...DT20 08 P HDT1 09 N HDT20 09 P HDT1 10 N HDT20 10 P HDT1 11 N HDT20 11 P HDT1 12 N HDT20 12 P HDT1 13 N HDT20 13 P HDT1 14 N HDT20 14 P HDT1 15 N HDT20 15 P HDT1 16 N HDT20 16 P HDT1 17 N HDT20 17 P H...

Page 112: ...should be about 1 08 PMA PCB CN6 49 65 57 53 67 61 6 2 4 5 1 3 6 2 4 5 1 3 50 66 58 54 68 62 CN1 CN13 LF M0 PHA PCB LFDV1 LFCOM LFDV3 LFDV2 LFDV4 PMA PCB 46 48 50 PRA PCB Inter lock switch CN10 CN2 S...

Page 113: ...N MDV3 RBN MDV2 RBN MDV4 PMA PCB PDA PCB CN6 58 66 62 59 63 4 5 2 3 6 1 1 5 3 4 6 2 57 65 61 60 64 CN1 CN7 PATH CHANGE M0 PHA PCB TR MDV1 TR MCOM TR MDV3 TR MDV2 TR0VDV N TR MDV4 TR MCOM TR0VDV N CN1...

Page 114: ...63 CN1 CN2 BAIL M0 PHA PCB BEIL MDV1 BAIL MCOM BEILMDV3 BAILMDV2 BEIL MDV4 8 Space Fan1 PMA PCB CN2 2 1 3 7 5 1 4 7 5 1 4 CN1 CN12 PRA PCB SPFANDV P SPFANALM1 P SG Space Fan1 9 Space Fan2 PMA PCB CN9...

Page 115: ...ad Fan2 PMA PCB CN2 2 1 3 11 9 1 4 11 9 1 4 CN1 CN13 PHA PCB POWFANDV P POWFANALM P SG Power Fan 13 space slit sensor PMA PCB CN8 4 2 1 5 3 4 2 1 5 3 Slit sensor 5V PHA P PHB P SG SPTH P 14 Auto gap s...

Page 116: ...nsor 16 Optical Sensor PMA PCB CN1 9 7 10 8 5 6 3 4 2 1 NC NC NC NC NC NC 66 19 30 32 65 64 63 33 34 66 19 30 32 65 64 63 33 34 CN5 E A C K PDA PCB WITHSNS P SNS5V 1 SG RIBONOUTSW P LINSNSPHA P LINSNS...

Page 117: ...180 1 4W Bail paper end sensor Paper jam sensor 19 Bail Open Switch Front Tractor On Switch PMA PCB CN6 44 54 45 1 3 5 43 53 46 2 4 6 4 3 2 1 6 5 CN1 CN1 NC NC NC C NO PHA PCB BEILOPNSW P FTRONSW P CO...

Page 118: ...r end switch 22 Power Supply Unit 1 3 4 6 7 8 9 10 11 12 13 1 6 7 12 1 6 7 12 44V EP 44V EP AC L FG AC N AC L FG AC N 1 3 6 12 7 8 9 10 11 12 13 SG EP 12V 12V POWALM P POWOFF P POWONRST N POWDWN P ACD...

Page 119: ...6 DB7 SG BL5V SG 5V 4V RS R W E DB4 DB5 DB6 DB7 BL5V CN2 38 26 28 30 32 36 34 4 1 3 5 37 25 27 29 31 35 33 3 2 4 6 1 2 3 4 5 6 7 8 9 10 SHIFTSWON N OPSCLK N OPDATAOUT P OPDATAIN P OPQCR N BZON P 5VD 5...

Page 120: ...P DATA6 P DATA7 P DATA8 P ACK N BUSY N PERROR P SELECT P AUTOFD N SG PLOGIC H INIT N FAULT N NC IF H SELECTIN N TXD SSD RTS DTR RXD CD CTS DSR SG FG NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 33 19 30...

Page 121: ...25 Short Plug For setting details see the maintenance manual 1 2 3 T1 5V IC45 BYTE IC47 BYTE PGROMCS H 1 2 3 T2 NC CNIF H 5V 10K 1 10W 3 3K 1 10W 1 2 3 T3 5V PGROMSEL N SG 10K 1 10W 1 2 3 T4 5V CNPLO...

Page 122: ...EP 44V 12VR DVREV3 P DVREV2 P DVREV1 P DVREV0 P POWEROFF P 44VF 12V EP 44V 12VR DVREV3 P DVREV2 P DVREV1 P DVREV0 P 62 68 69 70 20 21 35 40 75 73 74 76 80 71 72 25 24 23 22 PMA PCB PDA PCB CN1 CN1 PM...

Page 123: ...SA04 P MPSA05 P MPSA06 P MPSA07 P MPSCE N MPSDECORD1 P MPSCUREQ N MPSOPREQ N OPDCT0 N NC OPDCT1 N NC NC MUPISARI N 5V 0V MPSD04 P MPSD12 P MPSD11 P MPSD05 P MPSD13 P MPSD06 P MPSD14 P MPSD00 P MPSD15...

Page 124: ...B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32 NC NC NC NC NC PE N ACK N SIFSEL N NC BUSY P IFDATA4 P IFDATA3 P NC IFDATA5 P IFDATA2 P IFDATA6 P NC IFDATA1 P IFDATA7 P IFDATA8 P...

Page 125: ...P IFDATA3 P IFDATA5 P IFDATA2 P IFDATA6 P IFDATA1 P IFDATA7 P IFDATA8 P SIFRST P RSTIN P SIFSTB N SIFON N SIFRD N CNBARI N NC SG NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC R...

Page 126: ...A3 A4 A6 A7 A8 A10 A11 A12 A14 A15 A16 A18 A19 A20 A22 A23 A24 A26 A27 A28 A29 A5 A9 A13 A21 A25 A2 A4 A5 A8 A10 A12 A14 A20 A22 A24 A26 A32 5V D03 D10 D12 D09 D01 D08 D07 RD N A08 A01 A02 A03 A04 A05...

Page 127: ...us Form Paper Cutter Option 39 41 43 44 31 29 27 25 23 21 19 1 4 39 41 43 44 31 29 27 25 23 21 19 1 4 9 8 7 6 5 4 3 2 1 EP 44VF CUTMOYDV P CUTM1 P CUTM2 P CUTM3 P CUTM4 P RENCUT N SG PMA PCB PRA PCB C...

Page 128: ...ol Block toward outside without unplugging the cables Stop sliding when the cables becomes straight Do not extend the cables by force Check the voltage between Control Block C75 side and GND1 or GND2...

Page 129: ...40496501TH Draft Version 129 1 1 The cable to POA Board CN1 connected properly Yes No Connect the cable properly Replace POA Board or PMA Board...

Page 130: ...Version 130 2 Printer does not operate at all while Power Lamp is on Alarm Lamp blinks and nothing is displayed on LCD The cable to POA Board CN2 connected properly Yes No Connect the cable properly...

Page 131: ...ersion 131 3 Printer does not operate at all while Power Lamp is on Alarm Lamp is on off and nothing is displayed on LCD Replace POA Board Recovered No Yes End Replace Program ROM Recovered No Yes End...

Page 132: ...Yes No Connect the cables properly The cable to PMA Board CN2 connected properly Yes No Connect the cable properly Check the DC Motor wave form at PRA Board No problem FOW side Measure between CN10 2...

Page 133: ...40496501TH Draft Version 133 No Yes Check conduction only at Interlock Switch Is it normal Yes No Replace Interlock Switch Replace Cord Assy Replace DC Motor...

Page 134: ...to the terminal with no marking Red cable Should be connected to the terminal with red marking Yes No Connect the cables properly Check the wave form of DC Motor Slit Sensor Proper wave form output A...

Page 135: ...position Yes No Mount the gear properly Replace it if damaged If Auto Gap Motor gear is broken replace the whole Auto Gap Motor Check Auto Gap Motor wave form at PRA Board during initialization No pro...

Page 136: ...r positions Yes No Install them properly The gears existing between Auto Gap Motor and Platen normal No tooth damaged No over loading Yes No Mount the gear properly Replace it if broken If the Auto Ga...

Page 137: ...t the cables properly The cable to PHA Board CN6 connected properly Yes No Connect the cable properly No failure at the gear between the Bail Motor bails No Yes Replace the damaged gear If the Bail Mo...

Page 138: ...The connector to PMA Board CN6 connected properly Yes No Connect it properly Replace the Bail Open Switch Front Tractor On Switch cable Recovered No Yes End Replace PMA Board Recovered No Yes End Rep...

Page 139: ...able to PMA Board CN6 connected properly Yes No Connect the cable properly No failure at the gear between Path Change Motor and Tractor Change Levers Yes No Replace the damaged gear If Path Change Mot...

Page 140: ...The cable to PMA Board CN6 connected properly Yes No Connect the cable properly Replace the Bail Open Switch Front Tractor On Switch cable Recovered No Yes End Replace PMA Board Recovered No Yes End R...

Page 141: ...properly Yes No Connect the cable properly Check the wave form during ribbon feeding at PRA Board No problem OVDV Examine between CN9 6 pin and SH6 1 Examine between CN9 4 pin and SH6 2 Examine betwe...

Page 142: ...The cables to PRA Board CN4 and CN1 connected properly Yes No Connect the cables properly The cable to PMA Board CN2 connected properly Yes No Connect the cable properly Check the Ribbon Rotation Sens...

Page 143: ...oard CN1 and CN13 connected properly Yes No Connect the cables properly The cable to PMA Board CN6 connected properly Yes No Connect the cable properly No failure at the gear between LF Motor and Trac...

Page 144: ...ect the cables properly The cable to PMA Board CN6 Connector connected properly Yes No Connect the cable properly Feed Jam Sensor mounted properly Yes No Install it properly Replace the FEED JAM Bail...

Page 145: ...he cable properly PMA Board F1 and F2 mounted Yes No Install them PMA Board F1 and F2 blown No Yes Replace the blown out fuse Recovered No Yes End Turn Printer on with PMA Board CN2 and CN6 unplugged...

Page 146: ...LF motors and between PMA Board and PHA Board No Yes Replace the damaged cable if any Replace PHA Board No junction cable failure at Ribbon Space Auto Gap motors and between PMA Board and PRA Board No...

Page 147: ...Replace PDA Board Replace PMA Board Turn Printer on with PMA Board CN2 and CN6 unplugged Printer goes off during operation No Yes Replace Print Head Recovered No Yes End Replace Head Cable Turn Printe...

Page 148: ...C Printer does not operate after being turned on while INITIALIZING is displayed on LCD The interface cable connected properly Yes No Connect the cable properly Replace the interface cable Recovered...

Page 149: ...Board The interface cable and the network cable connected properly Yes No Connect the cables properly The cables to PMA Board CN6 and PHA Board CN1 connected properly Yes No Connect the cables properl...

Page 150: ...heck 12V output at PMA Board Slide Control Block toward outside without unplugging the cables Stop sliding when the cables becomes straight Do not extend the cables by force Check the voltage between...

Page 151: ...40496501TH Draft Version 151 No Yes End Replace PHA Board Recovered No Yes End Replace PMA Board...

Page 152: ...ce the interface cable Recovered No Yes End With Menu check Printer s recognition of PAA Board the Option Serial Board attachment AtMenuSetting select Set up asGroupand HostInterface asItem If Opt Car...

Page 153: ...MA Board Slide Control Block toward outside without unplugging the cables Stop sliding when the cables becomes straight Do not extend the cables by force Check the voltage between CN5 1 pin and CN5 8...

Page 154: ...and Host Interface as Item If OKI HSP is displayed in Set Window Printer recognizes the card MUPIS Card recognized by Printer Yes No MUPIS Card connected to PMA Board properly Yes No Connect it prope...

Page 155: ...erly Yes No Adjust Head Gap according to Maintenance Manual Implement Head Pin Test according to Maintenance Manual Is any pin missing Yes No Go to 14 Replace Print Head Recovered No Yes End Replace P...

Page 156: ...eck 44V output at PMA Board Slide Control Block toward outside without unplugging the cables Stop sliding when the cables becomes straight Do not extend the cables by force In this state turn Printer...

Page 157: ...MA Board CN2 CN6 and CN8 connected properly Yes No Connect the cables properly The cables to PHA Board CN1 and CN9 connected properly Yes No Connect the cables properly Auto Gap Slit Sensor and Auto G...

Page 158: ...PGA Board CN1 Recov ered No Yes End Replace the Paper Front Edge Sensor Core Gap cable Recovered No Yes End Replace PMA Board Recovered No Yes End Replace the junction cable between PMA Board CN2 and...

Page 159: ...intenance Manual Normal N OFF operation Yes No The cables to PHA Board CN5 for Front Tractor and CN4 for Rear Tractor connected properly Yes No Connect the cables properly Replace the Front Tractor Pa...

Page 160: ...tion Yes No The cables to PRA Board CN1 and CN4 connected properly Yes No Connect the cables properly Replace the Cover Open Switch Ribbon Rotation Sensor cable Recovered No Yes End Replace the juncti...

Page 161: ...OA Board CN1 and PHA Board CN12 connected properly Yes No Connect the cable properly Check conduction at the junction cable between POA Board CN1 and PHA Board CN12 Normal conduction Yes No Replace th...

Page 162: ...ks Program ROM mounted properly on PMA Board Yes No Install it properly Replace Program ROM Recovered No Yes End Replace PMA Board P ERROR EEPROM is displayed on LCD while Alarm Lamp blinks EEPROM mou...

Page 163: ...G ROM is displayed on LCD while Alarm Lamp blinks CG ROM mounted properly on PMA Board Yes No Install it properly Replace CG ROM Recovered No Yes End Replace PMA Board S ERROR CENTERING is displayed o...

Page 164: ...XXXXXXXXTH Draft Version 8 1 8 Parts List Fig 8 1 16 10 7 13 128 128 1 128 6 9 3or4 5 138 139 140 128 144 143 134 or 136 133 or 135 14 15 129or130 137 131 132 2 12 8...

Page 165: ...XXXXXXXXTH Draft Version 8 2 Fig 8 2 107 108 121 117 65 23 92 26 90 34 33 117 25 117 120 120 120 83 56 128 43 65 64 123 51 82 86 87 85 81 58 71 73 72 84 89 88 57 34 33 90 80 92 73 32...

Page 166: ...XXXTH Draft Version 8 3 Fig 8 3 48 47 29 28 29 23 98 99 30 37 43 43 35 37 36 20 70 79 76 69 77 78 106 21 49 18 17 18 17 18 17 59 60 20 62 68 63 54 67 66 65 73 74 75 73 75 74 115 59 21 59 60 60 21 19 1...

Page 167: ...XXXXXXXXTH Draft Version 8 4 Fig 8 4 53 116 116 46 50 52 112 114 113 115 110 111 123 124 125 125 128 43 96 97 120 117 65 91 22 24 23 27 25 24 31 94 93 95 92 117 117 109...

Page 168: ...XXXXXXXXTH Draft Version 8 5 Fig 8 5 45 38 38 40 42 39 44 44 122 41...

Page 169: ...XXXXXXXXTH Draft Version 8 6 142 141 11 119 Fig 8 6...

Page 170: ...XXXXXXXXTH Draft Version 8 7 Fig 8 7 105 102 61 33 104 100 101...

Page 171: ...XXXXXXXXTH Draft Version 8 8 Fig 8 8 55...

Page 172: ...Cover Assy Front Cover Assy Front Door Assy Front Plate Front Sticking Cover Assy Access Cover Assy Side L Cover Assy Side R Frame Assy Rear Frame Opepane Sticking Cover Rear B Guide Paper B Cover Br...

Page 173: ...50P Protector Ribbon Assy Paper Width Sensor Ribbon SW cord with Sensor Cover and Tie Wrap Space Belt Spring Lift Arm Head Cable Guide Guide Assy Ribbon SP Motor Idle Pulley Pulley Shaft Tension Sprin...

Page 174: ...ide Lower B Center Friction Piece Change Motor Bracket Assy Tractor Change Lever Tractor Change Lever SP LF Motor Mini pitch Belt LF Gear Tractor Change Gear Coil Spring Idle Roller Pulley Assy Idle B...

Page 175: ...r Rotation Cord Locking Wire Saddle Locking Wire Saddle Continuous Form Cutter Code Operation Panel Code with Core One Touched Bush Flat Cable Clip FCC 225 19 1 76 2 Tie Wrap SHT18R HS TY 23M Wire Bun...

Page 176: ...1 1 1 1 Parts No 40751001 40742901 40533301 4YS4011 4311P006 Remarks Name POA Printed Circuit Board Specifications only Operation Panel Board LDC Assy with Cord and Core Nylon Connector Cord 13P Nylo...

Page 177: ...T4 T3 T1 FG6 SW1 IC45 IC46 IC47 IC48 CN5 F1 F2 CN3 CN8 CN6 CN9 CN4 CN1 CN2 1 3 1 3 1 3 1 3 Short plug Setting Default T1 1 3 T2 1 3 T3 1 3 T4 1 3 1 2 1 2 2 3 1 2 2 3 2 3 1 2 1 2 2 3 2 3 1 2 2 3 Centro...

Page 178: ...ED1 LED2 LED3 GROUP SW1 SW2 ITEM SW3 OPTION SW4 MENU SW8 CONFIG SW7 SHIFT SW13 PATH SW6 FF LOAD SW10 LF SW11 TEAR SW12 PARK SW9 STORE SW5 CN2 IC1 4 Circuit board PHA Interface CN2 CN15 FG4 FG3 FG2 FG6...

Page 179: ...40496501TH Draft Version A 3 5 Circuit board PRA Connection CN1 CN2 CN9 CN6 CN4 CN2 CN13 CN8 CN10 CN3 F1 6 Circuit board PGA Sensor SN1 CN1...

Page 180: ...inter as an option using a start stop synchronization and serial communications circuit This serial interface board is capable of transmitting and receiving simultaneously at speeds up to 19 200 bits...

Page 181: ...col and data transfer through a serial port b Message buffer c Transmission of parallel data to the printer 2 SN75189 An RS 232C standard line receiver 3 SN75188 An RS 232C standard line driver 4 2764...

Page 182: ...2 3 OCS P1 P2 P0 P3 TD RD IF WR LS245 2764 ROM 8 KB RD TD RAM 8 KB Driver 5 VD 12V 12V 5 V 9 V 9 V 5V 0V 9 V power supply circuit Serial data control line Bus line Control line 2 2 3 3 4 4 ADR latch...

Page 183: ...erforms initialization Initialization consists of setting the 80C51 timer and setting the serial mode 2 2 2 RS 232C interface The DTR SSD TD and RTS signals output by the 80C51 are converted to RS 232...

Page 184: ...nection Diagram 2 3 1 2 Function After the settings outlined in Section 3 3 1 1 are completed and power is turned on the serial interface checks the message buffer memory and interface driver receiver...

Page 185: ...F BAD is printed If DSR CTS and CD signals are all Low IF OK is printed 6 Output level to DTR RTS and SSD signals is raised high If DSR CTS or CD signals is Low IF BAD is printed If DSR CTS and CD sig...

Page 186: ...pin test Starts HEX DUMP mode Switch ITEM GROUP STORE Option MENU Sets MENU setting CFG 1 to factory default Note 1 Sets MENU setting CFG 2 to factory default Note 1 Sets paper input location to facto...

Page 187: ...ion for slice level of paper width sensor Starts auto gap test Gap open close test Starts gap close Starts ON OFF test for all sensors Starts the alignment of print start position sensor Resets the co...

Page 188: ...ON FIG LF FF LOAD PARK TEAR The LCD displays the maintenance information total page number number of print characters for 2 seconds 3 Maintenance Information Display Condition Flash ROM Function Condi...

Page 189: ...pacity for the counter is 3byte which equals to 430 million characters with 256 characters counted as 1 count As the printer has the function which is capable of resetting this counter to zero The usa...

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