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1. B Nie N 1 2 12 ML393E lt s r W D 9 4043 4235 1 3 4043 4228 1 4YX4043 4219G1 4PP4043 4243P1 4PP4043 4226P1 4PB4043 4348P1 p 4PP4043 4241G1 Option 3PA4016 4722G4 4PA4043 2685G1 Table of Parts Number 3 3 Tractor Cover Assy Option 4PA4043 2684G1 Tractor Pull L Tractor Pul D 12 1 1 1 Q ty per year gt Remarks n wa 2 ML393E ML393E E PUSH UNIT Option 1 CONFIGURATION 2 INSTALLATION PROCEDURE 2 1 Unpacking 2 2 Installation 3 THEORY OF OPERATION 3 1 Mechanical Operation 4 ASSEMBLY DISASSEMBLY 4 1 Disassembly Reassembly of Procedure 4 1 1 Printer Unit 4 1 2 4 1 3 Tension Spring 4 1 4 Sheet Guide 4 1 5 Bottom Cover 4 1 6 Drive Pulley and Mini Pitch Beit 4 1 7 LF Motor 4 1 8 Tractor Assy L and R 4 1 9 Drive Roller Pull up Roller Assy 5 ADJUSTMENT 5 1 Mini pitch Belt Tension 6 LUBRICATION 7 TROUBLESHOOTING PROCEDURES 8 CIRCUIT DIAGRAM 9 SPARE PARTS LIST 1 CONFIGURATION The bottom push tractor unit has the following configuration Pull Up Roller Assembly Install the bottom push tractor unit in the printer unit Printer unit Bott
2. 3 2 8 Paper End Detection Mechanism Fo 2 Food k N N N N N N N N N N N N Ww N N E 2 mk w _ N 55 5 55 4 1 Precautions for Parts Replacement 4 2 Service TOOS iria hei dude ati eoa pa eter t ee edo 4 3 Disassembly Reassembly of Procedure 4 3 1 Ribbon GUulde C t ne kaba 4 3 2 Printhead uisa ur np uy asal eS aU PE dua iud pde 4 3 3 Ribbon Protector 55 4 3 4 Upper Cover Assembly 4 3 5 Operator SRM E EE 4 3 6 Interface Connector Board 4 3 7 Control Board CBNP and Interlock Switch Assembly 4 3 8 Printer Mechanism 4 3 9 Platen Assembly 4 3 10 Line Feed Motor Assembly 4 3 11 Head Cable Assembly 4 3 12 Sensor Board te ne fees ee EE 4 3 13 Ribbon Feed Assembly e 4 3 14 Space Motor Assembly 4 3 15 Space Bell 2 22 oe 4 3 16 Bail Motor Assembly
3. 43 17 Paper Bail Assembly 4 3 18 Push Tractor Assembly and Rerease Lever 4 3 19 Cooling cod x id ad an OR odia teu v an d coti weeds 4 3 20 Power Supply Unit ADJUSTMENT ne 5 1 Gap Between Platen and Printhead 5 2 Bail Motor Gear Backlash 5 3 Ribbon Drive Bevel Gear Backlash 5 4 Line Feed Belt Tension CLEANING AND LUBRICATION 6 1 Cleaning i episc dau paqu 6 2 TROUBLESHOOTING AND REPAIR T 1 Items to Check Before Repair 7 2 Troubleshooting Table 7 3 Lamp Dc 7 4 Pans 7 5 Connection and Resistance Check for Printhead 7 6 Troubleshooting Flow Chart 7 7 Connection Diagram e 9 ew ve ee APPENDIX A C LAYOUT A hed peat o ed RUP RON e E D e NUR en o
4. 074C HO6N 10748 44031 074 HO9N 0748 HO4N 0748 HDAN 0748 tu z BLAz HOSN 0748 Figure 10 5 Main controller CBNP 5 10 circuit diagram 8 9 X Y 0110 0130 0110 td iagram Y C 13 OPIN OPCLK P OPOUT 07 0766 FANOFFPON c 8 5 2 Ane 163 U 2 55 AS2 30570 i 5297 AS 3nj 0 e 11695 1 10w 22629 t 8262 _ 37 9 1 z 5052 2062 AS ASE T gt reS 9063 sz 5 1 4 Figure 10 6 Main controller CBNP 6 10 c 5162 Mounted X Not mounted FANQFF N 1 8262 1100 6135 014F OPIN OPCLK P OPOUT 0110 0130 0130 07 6 mounted Not moun 2 2303361 6 5 7 Q Q ums ERGE 38v Not mounted E P 42 0436 015H 01XD 3nt O 15 nor er Tana 2 39 70 o2u RESET N I ORST N ius HK 950 AS anki o gos AGZ 2541331 2341037 w
5. TIVE WAJ Z Kia 2 m g v mg dee Gm Tu pu NS i pn 7 gt D Mee 2 157 LOGH 2 4 0 LIDOUIO 45 nn Z Ama Xs ZHW 88221 ARAL O50 eJ ta 95 8102601 0 9XL9XSK 26 eb yta t oo oU OU KLARA PARSER EES ERAS MA AAA ARRA 5006044 RTS ms 1000 00 0000000005 SEIN inp X90108 0 3 1 1 Control Board 1 2 3 4 Micro processor Q3 67 640 Microprocessor MPU is the core of the control circuit Peripheral circuits operate according to the instructions from the MPU Program ROM Q4 27 2048 or 27 202 The control program is stored in this memory The master MPU executes various controls by using this program The following character fonts are stored as the standard fonts also in the ROM HIGH SPEED DRAFT b UTILITY c NLQ PROPORTIONAL J Courier Gothic Dynamic RAMs Q10 and Q11 These dynamic RAMs Q10 and Q11 each consisting of 64 K bits x 4 bits are used as a pair as the receiving data buffer and print b
6. ADO4 0168 ADO3 0168 ADO2 0168 ADO 10168 H ADOO 10168 H Figure 10 2 Main controller PCB CBNP 2 10 circuit diagram 2 3 4 5 6 7 8 9 x Y 5 6 8 L 9 6 v 2 L 0 2 2 89d 181101U09 5 01 3110 OH 0220 3910 1 ysa 02401 2220 a AGN3D 2 05 rrog d D v99489s2 N AGOWINSD 0110 3910 1 512 512 0220 5 2970 I 03 t 02 102 0 t t ret AO 1 t AOT T xXEtP22S2 19 C282 rent e 3 4 z trou J 2 BONT M uri r ct Fm tss UAE gt N X40341Y 3910 59u Ag x Dj 5 82 ig 52 ias 5 TE mOT S lt si 6259 2 o wceotys2stectys2 7 3 MED I k sy OO 9240 519 tM M M M M M Tr IAuAI F rn 0240 01 s F 0557 08701 0240 GSS AP e LE 5 N P UI PP 0220 8107 0910 22401 3 1 H 3 I us 8uipunou6 si 8240 1123135 ww CUT 8220 N 1XQ3343010W dd tM At aa N ON3d 14810 au F a mt v a nm was fi SS SSS PP SP 9229 433135 123136 3810 n F Qn In
7. 2 3 3K8J 2503363 R38 1 1710 R566 2 1 10w 2 1 107 A393 1 1 30 TRSOS 506 564 2365 2 33082 1 10w 25 1488 R12 054341 2 2 3 3KxJ 1 2 1 x m 25C3361 eN y 2 254705 5 FEY SPM1 3 2553 ases 1210w 1503 1100 2 ru gt O gt Z o 213 28 3361 28705 4 3 El e Es R n R11 3 E 5 102 1 10w x o 8 GYO T 95 019 n 3 DE 15834 2 12 x x P gt tu 2 Aa 2 2 n a n 10 NS Jif 2 26 1 3308 17109 D 41 2w A BHCGM f BMO 10 517 438 4 2 030 040 9616 07X0 07 XQ 07 0 07XE 7 01YC 0760 0380 076C 0180 0380 0180 0180 1710W 5 1 LF CHOP P 2823361 1K8J 1 10 Paan 2 zes SKIJ 1 10w x Q 5 2 e a N 18810 i LFOVOV P 2 252336 3 3Ka9 1 20 LFCOM P 061 0720 LFPH3 P MM N M uM LFOZOV N 0726 Kae 1 10 REO 12 LFPH4 P 1 2 1 11 040 0726 ixeJ 1 10 LFPH1 P M ANE 010 072 1 10 LFPH2 P V L
8. 5 cable CN6 on the control board connected correctly YES Connect it correctly 15 cable CN101 on the interface connector board connected correctly ves EJ Connect it correctly 5 cable CN102 on the interface connector board connected correctly fe Connect it correctly CN102 To LF Monitor Replace the control board See Section 4 3 7 e Remedied To Main NO id Replace the LF motor See Section 4 3 10 After the LF motor replacement belt tension adjustment is necessary See Section 5 4 End 7 16 7 Malfunction of switch on operation board 5 cable CN1 on the operation board connected correctly YES KJ Connect it correctly 5 cable CN10 on the control board connected correctly ves qm Connect it correctly Replace the connection cable Remedied YES End Replace the operation board See Section 4 3 5 Remedied YES KA the control board See Section 4 3 7 End 7 17 Data receiving failure 5 select lamp blinking e Set menu to ignore DC3 Print Suppress 5 the alarm lamp on H m o 5 5 the SELECT lamp on ES MA e Set to the SELECT mode o 5 the interface cable connected correctly ves CI Connect it correctly o To Interface Connector Board s cable CN101 on the interface conne
9. HEAD1 9 I F H LEVEL I ORST N IFDATAO 7 IFIPT N IPRIME N 1 04DV N LFCHOP P LFCOM P LFOVDV P LFPH1 4 P ODCM P ODDCMN1P 2P OPCLK P OPIN OPLOAD P OPOUT FAULT Centronics interface signal indicating that the printer is in error state FRAME GROUND SPACING MOTOR FORWARD CURRENT SINK PRINT HEAD PIN DRIVE HEAD GAP Ground for maintenance Signal for controlling DC space motor drive current to forward rotation Printhead pin drive signal The signal to distinguish the thin paper from the cardboard HEAD SPACE INTERRUPT The signal line to interrupt CPU when a printhead impacts or spacing timing PRINT HEAD TEMPERATURE Temperature sensor output in the print head PRINT HEAD PIN DRIVE INTERFACE HIGH LEVEL Printhead pin drive command Centronics interface signal Power supply line for external units 151 RESET 151 reset signal RECEIVED DATA INTERFACE LSI INTERRUPT Received data on centronics interface The signal line to interrupt CPU when an interface receives data by one byte INPUT PRIME Centronics interface signal indicating the command for printer initialization LINE FEED DRIVER PHASE n DRIVE LINE FEED MOTOR CHOPPING Line feed motor phase current line Control signal for line feed motor current suppression LINE FEED MOTOR COMMON LINE FEED MOTOR OVER DRIVE Line feed motor common line Line feed motor
10. Switching regulating circuit ui Rectification and 8 V smoothing circuit 8V The uses of output voltages and signals are described below Voltage signal 5 V 8 V 8 V 38 V POW ALM ALM Use Logic IC LED drive voltage Serial interface line voltage and LF motor locking voltage Serial interface line voltage Print head SP motor LF motor and bail motor drive voltage Output from the power supply circuit upon detection of an abnormal temperature rise in the power supply circuit or an overcurrent of 38 V The control unit suppresses the overcurrent by temporarily suspending printing If the output does not change the control unit sets fan alarm Output from the main PCB upon detection of an abnormality in the print head LF motor or bail motor driver circuit and shut all DC output off 3 21 3 2 3 Printhead Mechanism and Operation See Figures 3 1 3 2 The printhead is spring charge type head using permanent magnet and is installed in the carriage moving in parallel with the platen 1 2 9 8 Figure 3 1 Printhead arrangement View from the front end of printhead 1 Printhead operation The armature is normally pulled to the core by the permanent magnet force against the armature spring force The wire integrated with the armature is in the reset state When the magnet coil is excited by the print command from the control unit a flux in the reverse dire
11. 092 CQ ATO ASS 4ANT O 0253 beso 1 10w 270 1 10w 2 2K6 J 270KaJ 300K1F AP L PCS meee Ste tty 2 5 B 8 x 2 X m 2 x of o 06 ant S 5 CD V o V E a N N 5 X202NYO XMTCTYM 2180 PRK R24 3 3K2J 1 10 m No ny a rexeg Mero 0 N 29 r d H OE YM XAPSTYN XMPSTYM jc X ZSIYM a e kl k CH risa 5050 5 Q 1 7 T 3 gt Er t s z z z z x x x x x a B 8 g 2 Lan a gt a go m O Oo 0 g o 5 a n o 5 9 Sr X 6 8 L 9 S v L 01 2 2 7 01 o1nDBij AO 125081 32 1350 81 32 3960 2 DALES 29 1824 35670 ON3 Hdd 1 1 03 8860 0 v Ot Y pm d 1 e D ded N N3H0AD2 N N3d0 02 8870 9 AQ AY AO0 NY4 9940 Ov04 5 MOL T C 3XT amp z 1435 3 5990 MOd4JONV 4 04340 3 4X90 20 11 lt
12. M e 7 TROUBLESHOOTING AND REPAIR 7 1 1 2 3 4 5 7 2 Trouble upon power on Power is not supplied No spacing operation Alarm lamp blinking Homing does not end normally Trouble during printing Wrong character character omission or dot Items to Check Before Repair Check the inspection tems specified in the instruction manual Find out as many details of the trouble as possible from the customer Inspect in the conditions as close as possible to those at the time the trouble occurred Proceed with the repair as follows Check the trouble status according to Table 7 1 for the details of the trouble Then locate the trouble position according to the detailed flowchart Carry out a thorough test after the repair to check for correct functioning Troubleshooting Table Table 7 1 Status Details Flowchart item omission Ribbon feed trouble Line feed trouble Malfunction of switch on operation panel Data receiving failure OO WO 7 1 7 3 Display 1 Printer mode display Table 7 2 Printer mode ALARM SELECT Remarks Operation Indicates that the printer is ready mode for receiving HEX Indicates that the lezen bat the is in the hex lezen bat the mode ndicates that the printer the local mode Indicates that the edicaes hat the primer ls in the is in the menu edicaes hat the primer tin the Op
13. 1 CIHCUIT DIAGRAM m rt nn C I SPARE PARISLIST URL Ec C 1 BOTTOM PUSH TRACTOR UNIT isc ere er try x e REED e US Rens ne E 1 iii 1 CONFIGURATION 1 CONFIGURATION 1 1Standard Printer Configuration ML3410 consists of the following assemblies Rear cover frame QUT assy AC power cable Power supply unit dt D Printer mechanism 5 Control P gt board p x _ U 2 4 7 2 a AJ 8 ZN LE gt 4 Lower cover 55 Operation board assy Figure I I Configuration 1 2 Options 1 2 3 4 Single bin sheet feeder unit CSF Dual bin cut sheet feeder unit D Bin CSF Pull tractor unit Bottom push tractor unit with Pull up roller 2 INSTALLATION PROCEDURE 2 Installation procedure 2 1 Unpackaging 21 1 Unpacking the packing box 1 Open the packing box 2 Remove the two cushioning materials from the left upper and right upper sections of the printer unit 3 Remove the platen knob from the cushioning materials 4 Remove the printer unit 5 Remove the ribbon cartridge and the cushioning materials from its right lower and left lower sections 6 Peel the fixing tape off the bottom of the packing box and remove the accessories 2 l Accessories Cushioning material the right upper section
14. Eccentric collar and main shaft 10 portion GEP two places on each left and right Idle gear and stud bearing Tooth faces of ribbon feed assembly GEP B 6 gears and 9 tooth faces Ribbon feed assembly gear bearing GEP B three places Ribbon drive shaft bear ing PM B two places 6 6 6 Lubrication points of pull tractor unit option Drive shaft bearing 7 E T A L Ls ee od uci TTL TTE Ti N TIEN B CZ d Ex Se ks Drive gear Idle gear spring seat Drive shaft bearing bearing GEP 7 TROUBLESHOOTING AND REPAIR nt 7 253 M M M M M m m M M te M M te eer M n M E M M s M M M MM A M c GM ss MA e uM te y M M a a in M dM i s n EY
15. and remove ribbon feed assembly 2 To install reverse the removal procedure sequence Note on installation 1 Adjust the backlash between bevel gear 5 of space motor 7 and bevel gear 6 of ribbon feed assembly 4 See section 5 3 5 Adjustment when assembling 4 19 4 3 14 Space Motor Assembly 1 2 3 4 5 Remove ribbon feed assembly See section 4 3 13 Loosen two screws 1 press belt pulley bracket 2 to the left to slacken space belt 5 then tighten screws 1 temporarily Remove three screws 3 Draw out space motor forward Release cable tie wrap from fan assembly To install reverse the removal procedure sequence Notes on installation 1 After installing space motor 4 loosen screws 1 and tense space belt 5 then partially tighten screws 1 2 Adjust the position of pulley bracket 2 so that space belt 5 is positioned at the center of belt pulley 7 when carriage frame 6 is moved left and right by hand before tightening the screws 3 Adjust the backlash of bevel gears 8 9 of space motor assembly 4 and ribbon feed assembly 9 See section 5 3 4 20 When assembling A must be equal to B assembling When disas sembling Adjustment when assembling 4 21 4 3 15 Space Belt 1 Remove the space motor assembly See section 4 3 14 2 Remove screw 1 and connector clamp 2 3 Remove connect
16. of the printer unit Cushioning materia on the left upper section of the printer unit Cushioning material on the left lower section of the printer unit P Oo Printer unit Cushioning material on the right lower section of the printer unit 2 2 2 1 2 Unpacking the printer unit Remove the printer unit from the polyethylene bag 2 Peel the fixing tape off the desiccant and the carriage fixing instructions to remove them from the printer unit Fixing tape Carriage fixing Fixing tape instructions a Desiccant Polyethylene bag Printer unit 2 3 2 1 3 Unpacking accessories 1 Remove the cable user s manual the polyethylene Ribbon cartridge User s manual AC code 1 Platen knob 2 2 Installation For details refer to the Setup Guide 2 2 1 Precautions for installation When installing the printer observe the following precautions Do not install the printer in the following places a Place exposed to direct sunlight b Place with great fluctuations in temperature c Place exposed to outdoor wind d Dusty place e Near a door f Too near an air conditioner g Place subject to heavy vibrations 2 Adjust the temperature and humidity of the installation site as follows Temperature 50 F to 104 F 5 C to 40 C Humidity 20 RH to 8076 RH 3 To install the printer and printing paper observe the foll
17. 3 4 5 6 7 8 Remove the See section 4 3 2 Remove the printer mechanism See section 4 3 8 Remove two screws 1 and remove cartridge bracket 2 Remove screw 3 and remove connector clamp 4 Remove head cable connector 5 from carriage frame 6 Remove two screws 7 and remove the hooks B of the cable clamp 8 frame 9 Remove head cable assembly 19 by pulling downward while slightly lifting up the front end of the printer mechanism To install reverse the removal procedure sequence Note on installation 1 Be sure to install cable guide 1 so that some clearance will be left between head cable 2 at the bent portion 4 16 y I SC e 4 EA ANN e IS 4 17 4 3 12 Sensor Board Remove the printer mechanism See section 4 3 8 2 Disconnect cables CN1 G and CN2 2 connected to sensor board 4 3 Raise the printer mechanism by 90 using its portion as a supporting point 4 Remove three screws 3 and remove sensor board 4 5 Disconnect cables 5 connected to sensor board 4 6 install reverse the removal procedure sequence 4 18 4 3 13 Ribbon Feed Assembly 1 2 3 4 Remove the printer mechanism See section 4 3 8 Remove two screws 1 and remove cartridge bracket 2 pulling it to the front Remove two screws 3
18. 4 Table of Menu Selections 2 3 5 EXample 2 PME DE EE THEORY OF OPERATION 5 4 heh ERE RR hh e ae 3 1 Electrical Operation 3 1 1 Main Control Board o Rod be Ue xe 3 12 Other Circus 4 ie EA ss 3 1 2 1 mc 2122 Interface conlrol eeu jeans eek 3 1 2 3 Communication procedure flow charts 3 1 2 4 Printing operation 312 5 Printhead Control cose 3 1 2 6 Space motor control 3 12 7 Line Teed 3 1 2 8 open close 34 20 Alarm Circus IEEE 3 1 2 10 Sheet insertion guide SIG 3 1 2 11 Power supply circuit 3 2 Mechanical Operation 3 2 1 General er 3 2 2 Printing Mechanism 3 2 3 Printhead Mechanism and Operation 3 2 4 Spacing Mechanism and Operation 3 2 5 Ribbon Feed Mechanism and Operation 3 2 6 Head Gap Adjusting Mechanism and Operation 3 2 7 Paper Feed Mechanism and Operation
19. 6 and R 7 from the drive shaft 8 and the lock shaft 9 E 20 Open the access cover assembly D and rear cover assembly Q and lifting the pull up roller assembly remove it from the printer unit Remove the bush 2 the Drive gear 5 and the Drive roller 6 4 1 9 Drive Roller Pull up Roller Assy 1 2 4 7 NWN CNN TOTNM XX NUS N AW XS 2 FAN E 21 5 ADJUSIMENT 5 1 Mini pitch Tension Standard slack of the belt should 0 079 inches 2 when force equivalent to 200 g is applied to the middle of the belt Place of inspection Check belt slack at the center of the belt between the motor pulley and the drive pulley Method of adjustment Loosen the two screws that secure the LF motor and move the position of the motor Drive pulley Mini pitch belt LF motor E 22 6 LUBRICATION 6 1 6 2 6 3 6 4 Lubrication Oil Pan Motor Oil or the equivalent PM Amount of Oil Normally A 3104 drops The following parts must not be lubricated Right and left tractor To prevent soiling of assemblies printing paper Do not lubricate other parts that may also soil the printing paper Lubrication Drive shaft bearing j f A Assy Right Do not lubricate the rig
20. FORM FEED switch or Single sheet ejection continuously depress the LINE FEED switch 1 Set the release lever to the OPEN side 2 Press the FORM FEED switch 1 is opened 2 The continuous form is fed to the initial position 1 inch from the leading edge 3 The bail is closed 4 DESELECT SELECT When auto select is set in Menu setting SELECT ss Printing on the continuous form is possible 3 20 3 2 Mechanical Operation 3 2 1 GENERAL This printer mainly consists of the printing mechanism unit control unit and power supply unit The printing mechanism unit consists of the printhead spacing mechanism paper feed mechanism Each of these components operates as described below 3 2 2 Printing Mechanism Printhead The printhead has 9 wire dot magnets for printing according to the dot pattern generated in the control unit 2 Spacing mechanism A DC servo motor moves the carriage for spacing tab and CR 3 Line feed mechanism A stepping motor LF motor carries out line feeding operation and feeds the continuous paper or single sheets 3 22 3 1 2 11 Power supply circuit This switching type power supply circuit supplies the 5 VDC 8 VDC and 38 VDC Noise filter 38 V primary Rectification and digi did wa a ere 38 V circuit switching circuit smoothing circuit Switching Alarm control E POW ALM control circuit circuit ALM 5 V and 8 V i Rectification and
21. N O n 51 Rq R5 C 54 R6 2201 Yaw 2 lt 2 aM 24 4 SV 2202 v PO zo V 22 Bis 78 zon Aw A gt AAN E F G H Figure 10 11 Operator panel PCB OPML 1 1 circuit diagram 1 2 3 4 5 6 7 8 9 x Y 23 ST x 6 8 L _ 2 022 Ajddng 1 01 e1nDiJ 95 K D N WT1V MOd Ag 3301 89 6189 12 3 gt 330 B0 eu cd MOd ASI lt 100 00 0 2 7 yzi 6 cco 05 P 80 x rci NA ci e 9 al tiu 50 ADOS 202 10 gt MS dli 6 2015 153 09021 Obed nozns bMS OO L g MSZ 812 5078 ex i 2 2 800 a Zx EE Xi 8g8r 1302 8 65 Bt 5 m 7 7 777 777 777 ZI i f RE 2 612 8 88 702 8 ABC zz n id VS AOS N OV Sec y lt O81 V A00S 419 ZND 9 G t L D SPARE PARTS LIST Quantity per year Indicates the recommended number of each part that should be ordered for routine maintenance for one year depending on the number of printe
22. ODDCMN2P HDP9 HDTMP OV Y O 2 Line feed motor Resistance of each coil should be about 5 60 of Connector pin number LF 1DV LFCOM LF 3DV LF 2DV LFCOM LF 4DV 3 Space motor Resistance of motor should be about 50 of Connector pin number N 7 6 4 motor Resistance of each coil should about 340 Pin number of Bail motor Connector pin number BM 1DV BMCOM BM 3DV BM 2DV BMCOM 40 m Oo 5 Bottom feed motor Resistance of each coil should be about 5 60 Pin number of motor Connector pin number LF 1DV LFCOM LF 3DV LF 2DV LFCOM LF 4DV Q N 7 7 7 6 Troubleshooting Flow Chart 1 Power is not supplied 15 the AC cable connected correctly Connect cable correctly 5 fuse F1 the power supply unit blown Replace fuse F1 with same type and rated fuse Remedied2 YES End the power supply unit connection cable See Section 4 3 20 Are the 5 V and 38 V outputs in the control board provided 38V Check on the both ends of the capacitor C4 5V Check between the pin 40 of Q4 and of 4 See figure below ET Are cables CN3 and on the control board connected correctly Replace the power supply unit or connection cable See Section 4 3 20 Connect t
23. SELECT EEPROM DATA IN EEPROM DATA OUT POWER GROUND FRROR EVEN PIN COMMON EVEN PIN COMMON FAN OFF FAN OFF TO POWER SUPPLY Function LSI driving clock from CPU Continuous paper end Access cover open logical signal Reset signal to LSI from CPU CPU chip select 1 contro signal DRAM CSF interface signal Operation command signal CSF interface signal that goes low level when CSF is connected CSF interface signal indicating that CSF hopper paper end RS 232 serial interface signal indicating that the printer is ready for reception Spacing motor current limit signal The cut paper end sensor output line Cut sheet paper end sensor stabilization command signal Data bus signal of CPU MSM67X640 Receive data on centronics interface RS 232 serial interface indicating that the host side is ready for data sending RS 232 serial interface signal indicating the ready state for reception EEPROM input data storing signal EEPROM selection signal Write signal line into EEPROM dAta read out line from EEPROM Ground of driving circuit system Centronics interface signal indicating that the printer is in error state Common driving command of even pin Common driving signal of even pin The FAN control signal The signal to cause the fan to be turned off when cooling by fan is not necessary Abbreviation of signal name FAULT P FG FORSINK P HD1 N HD9 N HDGAP1 2 N HDIPT N HDTEMP
24. that it will come off guides 4 and B of the lower cover Do not damage cables 1 2 with portion C of power supply unit 2 To install reverse the removal procedure sequence 4 28 5 ADJUSIMENI M M Y Y 5 1 2 5 1 1 2 3 4 Left Center Right Printhead end end ADJUSTMENT Be sure to carry out this adjustment with the printer mechanism mounted on the lower cover Be sure to carry out this adjustment operation on a level and highly rigid work table flatness less than 0 039 inch or 1 mm so as to minimize adjustment error Gap Between Platen and Printhead Adjusting position Perform adjustment at the three positions of left center and right ends of the platen Adjustment value 0 014 0 002 inch 0 35 0 05 mm Preparation for adjustment a Set the adjusting lever to range 1 b Set the release lever to open c Remove the ribbon protector before adjustment Adjusting procedure To adjust the gap loosen the left and right eccentric collar setscrews and rotate the collar until the correct gap is obtained Note 1 Make sure that the printhead is fitted correctly to the stopper Printhead pushing Printhead direction 0 014 0 002 inch 0 35 0 05 mm Platen Platen Stopper Ec
25. the four slots Then remove the whole upper cover assembly by lifting it vertically To install reverse the removal procedure sequence Note on installation 1 At installation of the upper cover assembly turn bail open lever 7 backward Confirm that the paper bail 8 moves according to the bail open lever after installation 4 3 5 Operator Panel 1 2 3 4 5 6 7 Remove the upper cover See section 4 3 4 Disconnect cable 2 of operator panel 7 from connector CN10 3 of control board 2 Pull the locking piece 8 by arrow 3 to remove Remove two screws 4 Remove the operator panel holder 5 by moving it upward and then pulling to the front Release six locked parts 6 If replacing operator panel assy ignore steps 5 6 Remove operator panel 7 from operator panel holder 5 To install reverse the removal procedure sequence Note on installation 1 Insert the cable 1 to the connector 3 and insert the locking piece 8 in the reversed direction of arrow a to fix the cable 1 4 9 4 3 6 Interface Connector Board 1 2 3 4 Remove the upper cover See section 4 3 4 Disconnect cables 1 2 and 3 Remove two screws 4 and remove interface connector board 5 upward To install reverse the removal procedure sequence 4 10 4 3 7 Control Board Interlock Switch Assembly 1 2 3 4 5 Remove up
26. wheel 3 and a hole of gear 2 to face the same direction and engage gears A 2 and B 4 by setting the holes on them to face each other Then install gear A 2 on guide shaft B 3 3 Install friction piece 7 into guide shaft C 5 Then rotate it by 45 with standard screwdriver to give friction Try to slide center guide upper 6 left and right If friction is felt installation is correct if it slides smoothly installation is incorrect 4 25 When installing Wider than 1 mm Marks must face the same direction same direction 4 26 4 3 19 Cooling Fan 1 2 B 4 5 6 Remove the printer mechanism See section 4 3 8 Remove two screws 1 then remove ribbon cartridge bracket 2 Remove cable clamp 3 and connector cable 4 Remove two screws 5 then remove cooling fan 6 together with fan cover 2 Remove two screws 8 and then remove the cooling fan 6 in the arrow direction To install reverse the removal procedure sequence SAS ENS Q 4 d DZ A X A 4 UN a ip Z iN Zz aes 4 27 4 3 20 Power Supply Unit 1 2 3 4 5 Remove the printer mechanism See section 4 3 8 Disconnect two cables 1 and 2 from the left side face of power supply unit 2 Remove four screws 3 Draw out power supply unit 4 toward the left front while raising it a little so
27. 0 25 mm Right 0 20 mm Right 0 15 mm Right 0 10 mm Right 0 05 mm Right Full Operation Limited Operation No Yes Yes No No Yes No Yes Bin 1 Bin 2 17 1 CPI 15 20 CPI 12 CPI Valid Invalid No Yes No Yes Buffer Print Buffer Clear Invalid 5V Open Invalid Valid None Odd Even 8 Bits 7 Bits Ready Busy F X ON X OFF No Yes SSD SSD RTS 9600 BPS 4800 BPS 2400 BPS 1200 BPS 600 BPS 300 BPS 19200 BPS Valid invalid Ready on Power Up Ready on Select 200 ms 1 sec 1 2 appeares one of two according to the Interface Selection 2 14 2 3 5 EXAMPLE Set Default Font to Courier Not printed in full size Step 1 Push PQ and CPI sw 2 Push GROUP sw twice 3 Push SET sw to set value 4 Push PRINT sw to print current Menu Printout Menu Mode Printer Mode Font Font Printer Mode Font Font Font Font Symbol Sets Symbol Sets Symbol Sets Symbol Sets Symbol Sets Rear Feed Rear Feed Rear Feed Rear Feed Rear Feed Bottom Feed Bottom Feed Bottom Feed Bottom Feed Bottom Feed Top Feed Top Feed Top Feed Top Feed Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up Set Up 2 15 Emulation Mode Print Mode Print Mode Emulation Mode Print Mode Pitch Style Size Character Set Language Set Zero Character Slash Letter 0 Code Page Line Spacing For
28. 0 6 Main controller CBNP 6 10 circuit diagram REV 3 Figure 10 7 Main controller CBNP 7 10 circuit diagram PCB REV 3 Figure 10 8 Main controller CBNP 8 10 circuit diagram PCB REV 3 Figure 10 9 Main controller CBNP 9 10 circuit diagram PCB REV 3 Figure 10 10 Main controller CBNP 10 10 circuit diagram REV 3 Figure 10 11 Operator panel OPML 1 1 circuit diagram PCB REV 3 Figure 10 12 Power supply circuit diagram 220 240 C 1 7 7 Connection Diagram mbly Shield cover asse CN102 6P Printer mechanism CN103 2P x y amp TE a 7 21 014 16 014C A15 014C A14 A i 12 04 1D lt EEPROMDI EEPROMDO 0188 Mn Md 01401 EEPROMCS P A 014C A10 014 aos 014C 0140 07 014C 014D 05 0140 A04 0340 A03 Not mounted 0140 0140 03 0110 EEPROMCLK P 0140 B C C D D RR 014 PSEN N Ped 257 E NK MP E o E x t Not mounted with socket 016C WA N 016C RO N FEE rT F 0142 50 Eu 014F 51 ANE aA 015 0140 014 0140 013 0140 012 0140 nm Dii 0140 010 10140 009 054 008 014 U MM M 007 015A 4006 10164 005 0158
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30. 2402NA3 OSLO 8 CHALO BWOONAT 280 i A8 bHWOINA OSLO ue E aso uod 440 24 0510 LINN AOd 0910 2 43409 250 6510 7 9SL0 0 9310 Mod 4H0NV CALLO 948H 990 N Nadono2 9510 d3 A LLO casio ASE 3 10 dGH 0 bdGH 4510 8 402430 930 g Rd 02440 3s L0 zdyb5avaH 330 AQ NW COLLO uoa VSL0 5810 1402990 YSL0 gy 93vaH J5L0 4330 94 900 11402890 4510 15805 3550 9500 AW suid METTRA 431373503738 3510 mE V 3N BM pV 0770 OTYE 3PV O7YD BM 28V BAIL BM SV Cor b BAILOPEN SINGLE SHEET END COTY CUT PPR LEY LAS 07YE OV i COTY E CUT PPR OUTP RE Bottom Mechan Circuit Mechan Circuit D With _ Without a gt paper Stop Hi paper Feeding Hi E F G H Figure 10 10 Main controller PCB CBNP 10 10 circuit diagram 1 2 3 4 5 6 7 8 9 X Y a C21 1 2 3 4 5 6 7 8 9 x Y min 1 450 4159 GF QI at 5V CAMBER is 24 ma 22 220 Yaw OP IN LED1 LOAD N ALM is red DTIS i Others are amber B OUT uil 220 Yaw LEDS E a m OP CLOCK
31. 5 6 9 Remove the bail motor assembly See section 4 3 16 Remove center guide lower Q Remove gear 2 by expanding its clamp in the direction of the arrow and draw out guide shaft B 3 Remove gear by expanding its clamp in the direction of the arrow and draw out guide shaft C Center guide upper 6 friction piece will come off together Disconnect paper end micro switch cable connector 9 of push tractor assembly L and cable clamp 9 from base frame Loosen two screws 2 on left and right side then remove push tractor assembly L and R 3 together with guide shaft A 9 Loosen lock lever then draw out push tractor assembly L 8 and R 3 Remove 40 washer 07 idle gear 49 and compression spring 19 then remove release lever Q9 At this time spring Q1 will be removed too so make sure not to lose it To install reverse the removal procedure sequence Notes for installation 1 Install push tractor assembly L 8 fitted correctly between two projections B 2 Install guide shaft B 3 and C 5 by the following procedure a Set the projections of left and right pin tractor wheel 2 a hole of gear B 4 to face the same direction Then insert guide shaft C 5 b Set the projections of left and right pin tractor wheel 3 to face the same direction and insert guide shaft B 3 c Set the projections of left and right pin tractor
32. 9123456789 8ABCDEFGHIJKLHHOPQ 0123456789 70ABCDEFGHIJKLHHOPQR 0123456789 78ABCDEFGII YIJRLHHOPQRS 123456789 18 ABCDEEGHIJKLHHOPORST 23456789 lt gt 8ABCDEFGHIJKLHHOPQRSTU 5 0123456789 lt gt 6 123456789 lt gt ABCDEFGH 17 761234567851 5 578 79123456789 lt gt ABCDEFGHT J 0123456789 lt gt 9123456789 lt gt 1234567891 lt gt 8ABCDEFGHIJXLH 0123456789 78ABCDEFGHIJKLHH 0123456789 8ABCDEFGHIJKLHUD 0123456789 70ABCDEFGHIJKLHHOP 0123456789 lt gt 9123456789 lt gt 1234567891 8ABCDEFGHIJKLHSNOPQRS 23456789 lt gt SABCDEFGHIIKLHNOPGHST 3455789 lt gt eABCDEFGHIJKLHHOPQRSTU 456789 lt gt 7RABCDEFGHIJKLHNOPORSTUV 789 78ABCDEPGHIJKLHHOPORSTUY 67891 8BABCDEFGHXJKLHNOPQRSTUVHX 7891 lt gt ABCDEPGHIIJKLUNOPQRSTUVER 891 lt gt CABCDEFGHIIKLUNOPQRSTUVHXYZ 3455789 lt gt BABCDEFGHIJKLHNOPQRSTUV 9 lt gt BABCDEFGHIJKLHNOPQRSTUVHKYZ 4 9 3 w 3 3 1 Mechanical Operation e The bottom push tractor is driven by the LF motor pulse motor in th
33. DRIVE BOTTOM PATH PAPER END BUSY Bail bar open detection signal The buzzer control signal Bail bar feed motor phase current line Bail bar feed motor common line Bail bar feed motor high voltage apply command Bail bar feed motor phase existing command Bottom path paper end Centronics interface signal indicating that data is under processing CARRIER DETECT RS 232 serial interface signal indicates under sending 5V LINE OUT to INTERFACE 5 LINE OUT to INTERFACE 5V line out to centronics interface The 5V out command to centronics interface CENTRONICS INTERFACE SELECT Indicates that the centronics interface is being select B 1 Abbreviation of signal name CLKOUT P CONTPE N COVOPEN N CPURST P CS1 N CSFCMD1 2N CSFCNCT N CSFPE N CTS CURLIMIT N CUTPLV CUTPOUT N 08 015 DATABIT1 8 DSR 5 EVCM P EVNCMN1P 2P FANOFF N FANOFFPOW Signal name CPU CLOCK OUT CONTINUOUS PAPER END COVER OPEN LOGICAL CPU RESET OUT CHIP SELECT 1 CUT SHEET FEEDER COMMAND CUT SHEET FEEDER CONNECT CUT SHEET FEEDER PAPER END CLEAR TO SEND SPACING MOTOR DRIVE CURRENT LIMIT CUT PAPER END CUT SHEET PAPER END SENSOR STABILIZATION CPU DATA BUS RECEIVE DATA DATA SET READY DATA TERMINAL READY EEPROM CLOCK EEPROM CHIP
34. FPH C CSFP E N CN2 00 8283 04 1 00 00 SER decl gt LFCOM1 3 4081 B a t R n n amp lt gt o e lt lt x gt LF030Y F 0148 8V c LFO4DY 1 34 0148 38VF gt 0148 RO110 8 0148 CT Tractor Controller PCB BTFD 1 1 Circuit Diagram 1 9 X Y E 29 9 SPARE PARTS LIST The following is a list of parts required for bottom push tractor maintenance 17 How to read the list e Number of required parts per year The number of parts required to maintain a E 31 specified number of units The number of units are represented by the following codes aq Number of units _ 100 units 500 units 1000 units Le Bottom Push Tractor Upper Roller Assembly E 33 Table of Parts Number ty Per Year Parts number Description Sisi 4PA4043 2684G2 1 6 4LP 1313 59 Minipitch belt 120 teeth 4PPA0434300P1 Tension spring 2451301 BTFDboard 10 3PB4043 1272P1 Remarks un 34
35. I F ACK signal sending and S I F BUSY signal off and lights the SELECT lamp to inform the ready state for receiving to the host side to end the initialize operation Start MPU LSI Resetting and Initial Setting BUSY RAM Check Check Clear Bail Homing LF Motor Phase Initialization Serial Parailel VF Busy OFF I F ACK Send End 3 1 2 2 Interface control 3410 is provided with the centronics parallel interface and RS 232C serial interface as standard features The interface cable can be connected by selecting one of these interfaces Changing the position of the connector cover of the interface connector assembly turns on or off the microswitch to inform the interface 151 of the interface to be selected This signal sets the interface LSI to either the parallel or the serial mode 3 9 _ 1 Centronics parallel interface When the microswitch of the interface connector assembly is turned off the CENTROSEL N signal goes to the low level to set the LS Q5 LC92018 562 to the parallel interface mode The parallel data input from the host to the interface LSI is latched to the internal register in the LSI at the rising edge of the STB N signal At the same time the LSI sets the BUSY N signal to the low level to inform the host that the data is being processed and outputs the IFIPT N signal to inform the MPU of data reception The data i
36. N AQ8031 7810 NY 4 AdE0 31 Gr 06031 0 AB s0247 pe 34 40957 8 01 BND J gt 01 037 AO 2 v T J 1 50 515 3 N LNOdLND BATO 3 0 0 90 XL NNI N 2dYv90H 3910 AQ MOdd3ONY d M gt a MOd330NY3 3 90 sro 12 90 3910 Ag d p 2 5 3738 N ASSY33H 8810 LI X 5 ZNO US OH 2 5 Tr mike 43 x A a N 123NN023S2 N BND x DE 19494552 2410 eT d3 c lt SE N 3d P RM 2 3d3S2 N 3d3S23 3410 43 gt 95 SN gt 5 5 9 N fONN2 3S2 NEQWIASD AQ 3 rt 05 3 Pong 20 2452 0 23652 2410 3 dinO Hdd 1n2 s cu 2 95 wee lt H amp 0 rena Toor d HSPO 92 2 N AQZONB 9570 94 02 02 92 0 ACINO 8 9570 Bununow 10 pesn 512 512 92 0 lt d W02M8 670 T 53104 1295 Hy 54 HS el 1 5 5 MS Qu 9260 793 qa T 9 La gZ fan n T a ekg its 2 05 055 Ox 0 N3dO Iv ur S 3
37. Norway Turkey Greek 437 Greek 851 Greek 928 Cyrillic Polska Mazovia Polska PC Latin 2 Serbo Croatic I Serbo Croatic Il ECMA 94 Rear Feed Line Spacing 6 LPI 8 LPI Form Tear Off Off 500 ms 1 sec 2 sec Skip Over Perforation No Yes Page Width 13 6 8 Page Length 11 2 8 12 14 17 3 39 4 55 6 7 8 8 5 Bottom Feed Line Spacing 6 LPI 8 LPI Form Tear Off Off 500 ms 15 2 sec Skip Over Perforation No Yes Page Width 13 6 8 Page Length I 11 2 3 12 14 17 3 3 5 4 5 5 6 7 8 8 5 Top Feed Line Spacing 6 LPI 8 LPI Skip Over Perforation No Yes Page Width 13 6 8 Page Length 115 41237 6 7 8 8 5 2 13 Group Set Up Parallel 1 1 Serial 2 Item Graphics Receive Buffer Size Paper Out Override Print Registration Operator Panel Function Reset Inhibit Print Suppress Effective Auto LF Auto CR IBM PPR Only CSF Bin Select SI Select Pitch IO CPI IBM PPR Only 51 Select Pitch 12 PPR Only Time Out Print Auto Select Sensor Disable 18 Auto Feed EPSON FX Only Parity Serial Data 7 or 8 Bits Protocol Diagnostic Test Busy Line Baud Rate DSR Signal DTR Signal Busy Time Set Value Selection Bi directional Uni directional 16K 28K 1 Line 4K No Yes 0 00 0 05 mm Lett 0 10 mm Lett 0 15 mm Left 0 20 mm Lett 0 25 mm Lett
38. OKI MICROLINE ML3410 MAINTENANCE MANUAL PREFACE This maintenance manual describes how to maintain the Microline 3410 printer in the field This manual is for customer engineers For further information refer to the User s Manual for handling or operating the equipment TABLE CONTENTS CONFIGURATION die tenus 1 1 Standard Printer Configuration nunana ITANE Ea 1 2 ODUONS PT INSTALLATION PROCEDURE 2 1 Mrd 2 1 1 Unpacking the Packing Box 2 1 2 Unpacking the Printer Unit 2 1 3 Unpacking the Accessories 2 2 InstallallOb s 2 2 1 Precautions for Installation 2 2 2 Removing the Shipping Retainer 2 2 3 Installing the Accessories 2 2 4 Connecting Cables 2 2 5 Installing Paper mts 2 2 6 ON eee 2 3 Men Selection qd dC Ere ae 2 3 1 OVEIVICW 2 3 2 sn iaceat amati toe ia oa 2 3 3 onera inan Dice mwa 2 3
39. PM Alvania grease 2EP or equivalent Amount of lubricant Large amount Apply abundantly Medium amount B Apply three to four drops of or 0 008 inch 0 2 mm thick grease Small amount Apply one drop of oil Areas to avoid Do not lubricate Remarks 1 Ink ribbon To prevent blurring of print image 2 Sensors To prevent dust attachment 3 Platen assembly rubber face To prevent stained paper 4 Sheet feeder assembly To prevent stained paper 5 Mini pitch belt To prevent deterioration and elongation of rubber 6 Mini pitch belt pulley tooth To prevent deterioration and face elongation of rubber 7 Head cable assembly To prevent cable break 8 Printhead To prevent malfunction of print head 6 3 5 Lubrication points Detent spring and side frame engaging portion GEP Release lever and guide block engaging portion GEP B Platen lever and Platen shaft bearing GEP Drive shaft bearing unit PM B two places on the right and left Release shaft and side frame bearing GEP B Pressure roller bearing two places on each left PM C eight places and right Cam face of bail open cam GEP C Release shaft and paper chute engaging portion GEP B two places on each left and right Paper chute bearing GEP B two places on each left and right 6 4 Platen bearing PM B two places on each left and right
40. S 2 7 2 5 NN NN S NAN WS S Q NOS EN SN W NW SS EN s SNS h 3 7 4 77 7 7 27 ASA is Lo i LS L JON SS B 1 0 AN v NO y 3b 4 Figure 4 1 gt NN 09 CELA 7 2 ch Y 4 3 How to Change Parts This section explains how to change parts and assemblies appearing in the disassembly diagram below Printer unit 4 3 1 Ribbon guide 4 3 2 Printhead 4 3 3 Ribbon protector 4 3 4 Upper cover assembly 4 3 5 Operator panel 4 3 6 Interface connector board 4 3 7 Control board and interlock switch assembly 4 3 8 Printer mechanism 4 3 9 Platen assembly 4 3 10 Line feed motor assembly 4 3 11 Head cable assembly 4 3 12 Sensor board 4 3 13 Ribbon feed assembly 4 3 14 Space motor assembly 4 3 15 Space belt 4 3 16 Bail motor assembly 4 3 17 Paper bail assembly 4 3 18 Push tractor assembly and release lever 4 3 19 Cooling fan 4 3 20 Power unit 4 4 4 3 1 Ribbon Guide 1 2 3 4 5 Turn OFF the POWER switch and remove cord Q from the receptacle Open access cover 2 Remove ribbon cartridge 3 Remove ribbon guide 4 To install reverse the removal procedure sequence 4 5 4 3 2 Printhead Caution The printhead may be hot immediately aft
41. S print head area The ALARM indicator on the printer is lit Faulty operation of spacing E 25 s Set paper in the hopper Remove the paper Set the release lever 10 the CLOSE position Reconnect the Bottom Feeder cable properiy and securely Retract the paper on the rear path Remove the paper the troubleshooting flowchart in the printer maintenance manual 8 CIRCUIT DIAGRAM 8 1 PCB Layout PCB List 1 Circuit board BTFD BTFD poard _ 3517 8 2 Signal List e Interface between Bottom Push Tractor Unit and Printer Unit Abbreviation of an CON signal name EAS URS LFOVDV N Bottom Line Feed Motor Over Bottom Line Feed Motor voltage Drive apply command LFPH A Bottom Line Feed Driver Bottom Line Feed Motor phase command LFPH B Bottom Line Feed Driver Bottom Line Feed Motor phase command LFPH C Bottom Line Feed Drive Bottom Line Feed Motor phase command 38VF 38 Volt Power supply for drive circuit EP Power Ground Ground of driving circuit system OV Signal Ground Ground of signal circuit 8V 8 Volt Power supply for logical circuit E 27 8 3 Circuit Diagram Figure 8 1 Bottom Push Tractor Controller BTFD 1 1 Circuit Diagram 2 E 28 CN 896 0148 LFOVDV CMMAND2 N 0148 LFPH A CMMANDI N D 0148 LFPHB CNECT N 0148 L
42. Table of Parts 3PP4043 2452P1 Center Guide Upper 1 3PP4043 2453P1 3PP4043 2454P1 3YX4043 2751G1 Center Guide Lower A r 2 3 Q ty per year Blc center Guide towers 1 4 Micro Switch Cable Assy Cover Open 3PB4043 4204P1 Micro Switch Cable Assy Adjust amp Release Lever 41 193400 1 4043 2459 1 4 4043 2460 1 4PB4043 2754P1 4YX4043 2576G1 4PP4043 2458P1 Spring Paper Chute Release Lever Guide Block Detent Spring for Release Lever Sensor Assy Cut Sheet Idle Gear 4LB 190600 6 Spring for Idle Gear 4 4043 2456 1 4PP4043 2457P1 4PA4043 2584C1 4 4043 2628 1 41 193100 2 Ribbon Feed Assy Spring Bail Arm 1 Spring Bail Arm R 3PB4043 2601P1 Stepping Motor Assy Bail Motor 5LR 193134 1 Idle Gear Bail Assy 3PP4043 2504P1 4PA4043 2711G1 4043 2509 1 4043 2510 1 3PP4043 2764P1 4 4044 1492 3 3YX4043 4232G1 Adjust Lever Indicator Shaft Assy Bail Arm L Bail Arm R Bail Open Cam Mini Pitch Belt Spacing Head Cable Assy D 11 B B n 1 2 1 1 1 Remarks ML393E ML393E ML393E ML393E ML393E ML393E 5 xO wi 59 59 m rm rm rr z m r gt WO QJ C2
43. ation the MPU specifies the distance 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 when printing terminates the MPU activates the line feed motor for line feed operation During the line feed operation the MPU causes the carriage to decelerate Upon termination of line feed operation the spacing operation is performed 3 14 3 1 2 5 Printhead control printhead is controlled by the head control LSI Q2 LC92018 563 Printing is synchronized with the HDIPT N signal from the MPU The head control LSI Q2 outputs the dot signals D1 D9 and overdrive signals EDCM and ODCM and the driver IC drives each dot magnet These signals are output from the head control LSI after the following corrections for final driving time determination inside the LSI D 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 9 pins 2 Correction for voltage fluctuation The driving time is corrected according to the fluctuation of the drive voltage 38 V The voltage fluctuation is detected by A D convertor built in the MPU 3 Correction for head gap The driving time is corrected according to the head gap 140 us Basic cover O drive time E _ Dot magnet drive coil curre
44. centric collar two on left and right sides 5 1 5 2 Bail Motor Gear Backlash 1 Adjustment value a 0 002 to 0 004 inch 0 05 to 0 1 mm 2 Adjusting procedure Loosen the two pan head screws securing the bail motor and adjust the backlash between the bail motor gear and idle gear Bail motor 0 002 0 004 inch gear 0 05 0 1 mm motor 4 Idle gear Pan head screw 5 3 Ribbon Drive Bevel Gear Backlash 1 2 Adjustment value a 0 002 to 0 004 inch 0 05 to 0 1 mm Adjusting procedure Loosen the two pan head screws securing the ribbon feed assembly and move the ribbon feed assembly back and forth to adjust the gear backlash If moved forth the backlash decreases If moved backward the backlash increases Bevel gear Drive bevel gear Backlash decrease x Backlash increase Space motor Ribbon feed assembly pan head screw Ribbon feed assembly a 0 002 0 004 inch 0 05 0 1 mm Drive bevel gear 5 3 5 4 Line Feed Belt Tension 1 Adjustment value a 0 33 to 0 55 Ibs 150 to 250 g 2 Adjusting procedure Adjust the line feed motor position so that the specified belt tension is obtained when the belt is depressed 0 06 inch 1 5 mm in the middle of the span between the platen pulley and motor pulley Note Revolve the platen pulley at least once before adjustment Platen pulley 0 06 in
45. ch 0 33 0 55 Ibs Line feed motor X Motor pulley Pan head screws Line feed belt 5 4 6 CLEANING AND LUBRICATION 6 1 CLEANING Cautions 1 Be sure to turn OFF the AC POWER switch before cleaning 2 Do not allow dust to get inside the mechanism unit when cleaning 3 lubricated part has been cleaned be sure to apply lubricating oil to that portion after cleaning Cleaning time When the equipment operating time has reached six months or 300 hours whichever comes first 2 Cleaning tools Dry cloth soft cloth such as gauze brush cotton swab vacuum cleaner 3 Places to be cleaned Table 6 1 lists the places to be cleaned Table 6 1 Place to be cleaned Cleaning procedure Main shaft and surrounding portion Remove paper dust and wipe off dirt dust Top surface of slide beam and ribbon dust Form runner portion Ribbon protector surrounding portion Single sheet sensor Wipe off dirt from sensor Paper bail sensor Wipe off dirt in the sensor window with a Bottom paper end sensor brush Carriage guide bearing Wipe off dirt and dust Single sheet sensor Bottom paper end sensor Paper bail sensor N Pa Ribbon protector Slide beam Main shaft Carriage guide bearing 6 2 6 2 LUBRICATION 1 2 3 4 Cleaning time When the operating hours have reached one year or 600 hours Lubricant e Pan motor oil 10W 30 or equivalent
46. ction of the permanent magnet force is generated to cause the armature to move away from the core by the force of the armature spring The wire strikes the platen with the ink ribbon and paper in between to effect printing Printing paper Armature Platen Ink ribbon Thermistor Print wire meme NP D s IS 22 A wire guide TT Armature spring Yoke Magnet coil Figure 3 2 3 23 3 2 4 Spacing Mechanism Operation Spacing is effected by driving the carriage assembly installed to the main shaft and slide beam set in parallel with the platen by the DC servo motor 1 Spacing operation See Figure 3 3 The carriage mounting the printhead moves in parallel with the platen along the main shaft and slide beam The carriage is fixed to the mini pitch belt under the carriage frame When the DC servo motor runs clockwise as viewed from its rear side the driving force is transmitted to the mini pitch belt and the carriage moves from the left to the right The DC servo motor rotating angle and speed are controlled by the count of and signals with a phase difference of about 909 from the encoder and the time intervals of the signals The rotating direction is determined by the sign positive or negative of the phase difference between and The mechanism is designed so that the carriage moves 1 6 inches 40 64 mm when the DC servo motor makes one revolution Printhead idle pull
47. ctor board connected correctly YES Pa Connect it correctly Is cable CN6 on the operation board connected correctly YES Connect it correctly Branch the search path depending on whether the interface is parallel or serial Parallel interface Serial interface Correctly set the interface menu parameters to match the system device Baud rate Character format Protocol Busy signal polarity Remedied e End Are 8 V outputs provided on the control board YES Replace the power supply unit See Section 4 3 20 To Step To Step 7 18 Replace the program ROM Remedied YES Replace the control board See Section 4 3 7 Remedied ves w Replace the interface connector board See Section 4 3 6 Replace the cable connected to CN6 on the control board End End 7 19 upper cover See section 4 3 4 and turn the power with while pressing the cover open microswitch with the other hand also attach adhesive tape to hold the Interlock switch Does the alarm lamp come ves 19 Correctly connect cable CN11 on the control board Check the correspondence between the front access cover and cover open lever Replace the cover open microswitch cable assembly 5 the paper set NO Set paper Does the continuous form end microswitch function correctl
48. cts the edge pulses from these signals and demultiplies the frequency to output the SLT360 signals as the normalized timing to another LSI to generate head drive timing SP A 1 720 Edge pulse 1 j LI 4 4 3 17 3 1 2 7 Line feed The LF motor is locked by the current supplied from 8 V according to the pulse duty of the LFCHOP signal during the stop period It is driven by 38 V application by the LFOVDV N signal for line feed operation LF1 LF 2 1 1 M Pk s 1594 5 2ps LFCHOP STOP lt FORWARD REVERSE 3 1 2 8 Bail open close The bail motor rotates clockwise to open and close the bail gNwoPH f RBN MOPHR L 77 RBNMOPH3 1 jJ 1 RBNMOPH4A C U U Lee 3 18 3 1 2 9 Alarm circuits 1 2 3 4 Driver circuit abnormality detection alarm This protective circuit prevents secondary troubles by stopping the power supply upon detection of an abnormality in the printhead LF motor or bail motor driver circuit or in the peripheral circuit This circuit monitors the driving time by means of the signals HDE ALM HDO ALM LF COM and RBN COM connected to the overdrive signals for each driver circuit If any driver circuit driving time exceeds the specified time the ALM
49. d and lights the alarm lamp Cover open alarm circuit When the front access cover is opened the COVOPEN N signal is input to the LSI Q2 from the interlocked cover open microswitch and is then read by the MPU The MPU stops the printing operation as soon as possible informs the host that receiving is impossible and lights the alarm lamp 3 19 3 1 2 10 Sheet Insertion Guide SIG This printer allows temporary use of single sheets when the continuous form is used It is not necessary to remove the continuous form but retreat it to the push tractor position and use the single sheets The first single sheet is automatically fed to the initial position Changing from continuous form printing to single sheet printing SELECT Press the PARK SET switch SELECT DESELECT The continuous form is fed backward until detection of the form end max 29 inch and held at the push tractor DESELECT 1 Set the release lever to the CLOSE side 2 Insert the single sheet 3 Press the FORM FEED switch The bail is opened The single sheet is fed to the initial position 1 inch from the leading edge The bail is closed DESELECT SELECT When auto select is set in Menu setting SELECT Printing on the single sheet is possible Changing from single sheet printing to continuous form printing SELECT Press the SELECT switch or wait SELECT gt DESELECT until single sheet end detection DESELECT Press the
50. dO Iv8 8045 8MddS 3910 AO lt pid Fr 10 60 1 N NdOTIYS 8810 5 A3 1 Hdd 100 s AYINI 3110 vOdS vHddS 3920 d3 Qv3H xe x 3750 810 ey 510 8 n jt o lt ES Mi d a di OXEQ 39501108 z d 3dW0l108 8810 AA MG SHOINA 3 S gt 1 A TNO EHOINA3 24601 Ya BWO2NA 5 parunow ion i E FHO2NA3 zz 12460 AB 2 2 ra AS lt x T dOH NIOH 0450 d AGN39 gt d ASN33 9XE0 2809 10460 1l3A37 H 4 I 1 1 3 1 OXEO 5 2970 JAGO 5 I N 3MIHd I 8 0 T PMdS 6970 dOH NYOH 3450 N N112313S N N119373S 0 5 d Z NGOH 9450 N 1X033401nv N 1x033401N 2x 0 H GNO 3d 5 NSOH 8450 N HOUH3 lt N HuOHH3 2 60 H 8 NLOH 0450 193136 123135 lOxEO 6 T NEOH 3450 g 3d 3d 2xEO 8 BdDH 0 u 4450 asna T XEO 2072 0 d 930 0710 NIdO 6802000 815 380815 0701 20 0550 2000 gt _ tiigvlvg T1IGYlYO 8 0 inodO 0710 f 2MS I W02000 d2ZNM2O0QO 8450 2118 1 0 2118 1 0 18 0 MSI viva ee 118 ELIGYLYa 8 0 gt 110 1 0 rlIB8Y1YO 8 20 sw ENIM 1402000 y 97442000 YASO 1
51. e LFOZOV N 0726 mat 1 10w i 12 8 7 10 gt R2110t B5 E ns 1 10 PCBTHMPCHK 072H 0 jur 23 mounted 4 Figure 10 4 controller 4 10 circuit diagram 7 8 9 X Y 044 BELL P 4 3KeF 1 10 D 1uF 25 DAN202K MA191wK is located close to 38V of the circuit of the head drive and the EP 2e00uF PWLEVEL 011E MEB 12 5A 01YA 01YB 01YA 0174 0174 01YA 01YA 01YA 01 01YA 0174 4 597 3 3x1J 1210w 2560 2 1 104 525 1 O 1uF 25v R581 2 4704J 1 30 DDOCMN1P 061 0744 ODCM P 25336 1 200 1 2 x e gt 25 ml M 4 2 1 20 2 EVCM P 2W ovo 2 28 1 20 HEAD1 P rr 2 0 6 HEAD3 P HEADS HEAD4 P 05 A3559 13 10 C318 3 2 O 1uF 25v R556 2 4708 3 100 1 ODDCMN2P 06518 074 0618 074 061 074C AS73 2 1 10w 53 5 O 1uF 25v 4 58374 4703 R572 2 1 10w C330 O iuF 25v 2571 2 4708 1 30 2 12 9 2 012 HOIN 0740 HO7N 0748
52. e bottom push tractor Motor power is relayed to the drive shaft via the mini pitch belt and this shaft feeds the paper to the printer unit Pin tractor belts Push tractor mechanism Drive shaft Drive pully Mini pitch belt E 10 4 4 1 ASSEMBLY DISASSEMBLY Precautions to be taken while replacing parts and a list of maintenance tools are given in sections Printer unit 4 1 and 4 2 respectively Disassembly Reassembly of Procedure This section explains the disassembly replacement procedures according to the following reassembly Parts Layout E 11 4 1 1 Printer Unit 1 Turn the power switch off and unplug the AC power cord from the outlet 2 Remove the DIN connector 1 lift the printer unit out of the bottom push tractor 3 E 13 4 1 2 BTFD 1 Remove the printer unit See 4 1 1 2 Disconnect the two cables 2 connected to CN1 and CN2 of the BTFD board 1 3 Remove the two screws 3 and the BTFD board 1 E 14 4 1 3 Tension Spring 1 Remove the printer unit See 4 1 1 2 Remove the junction between the tension spring 1 and blind plate 2 and remove the junction between the bottom cover 3 and the tension spring 1 E 15 Remove lock the sheet guide 1 Remove the printer unit See 4 1 1 4 1 4 Sheet Guide 1 2 16 4 1 5 Bottom Cover 1 Remove the printer unit See 4 1 1 2 Remov
53. e the CN1 connecting cable in the BTFD board 3 Remove the Tension Spring See 4 1 3 4 Remove the four screws 3 and the bottom push mechanism 5 Remove the bottom cover 5 E 17 4 1 6 Drive Mini pitch Belt 1 2 3 4 5 Remove the printer unit See 4 3 21 Remove the bottom push mechanism See steps 2 3 4 4 1 5 Release the lock then remove the flange 3 of the drive pulley 1 Remove the mini pitch belt 2 Remove the pulley of the drive pulley 1 Note When removing the mini pitch belt only it is necessary to remove the flange 3 only E 18 4 1 7 LF Motor 1 2 _ 4 Remove printer unit See 4 1 1 Remove the bottom push mechanism See steps 2 3 4 4 1 5 Remove the CN2 connecting cable 3 the BTFD Board Remove the two screws 1 and the LF motor 2 Installation _ Adjust the tension of the mini pitch belt when the LF motor is installed See 5 1 19 4 1 8 Assembly L R 1 2 3 4 5 Remove the printer unit See 4 1 1 Remove the bottom push mechanism See steps 2 3 4 4 1 5 Remove the one screw 1 the balancer 2 the E clip 3 the four screws 4 and the side frame R 5 Pull the lock lever of the tractor assembly L 6 and R 7 towards you in the direction of the arrow Remove the tractor assembly L
54. egal address ROMRAM AARM 3 Program ROM eror MECHANICAL ALARM GOTHIC 10 Spacing error Refer to flow chart 2 2 Homingerror Refer to flow chart 3 TT to flow chart 3 Position sense error 22 the control motor doesn t board FAN error Power supply Refer to flow chart 3 over heat PROP Power down error 38 V is Refer to flow chart 1 too low 10 Head Thermister error Replace the Printhead Table 7 4 Conditions Primary Message Current Comments ALARM SELECT sn Lamp Lamp SUP Alarm 2 OFF ON BLINK Stops printing and resume to print after cool down 7 3 7 4 Parts Layout 1WdO 4 YOLOW 39VdSr N3 LV ld E L HOLIMS avo OVAM HOSN3S H3dVd WHOS HOSN3S QN3 SNONNILNOO 934 3194 HOLIMS E x UOIMS 129 85 3Sv3a1au jeungyed jeuegs AlddNS H3MOd ASSY 3OVdH3lNI HOLIMS OHOIN 3001 CSF Bottom Tractor interface 7 2 igure F 7 4 7 5 Connection Circuit and Resistance Check for Printhead and LF SP BAIL Motor 1 Printhead Resistance of each coil should be about 3Q Head connector pin number Signal head Connector pin number pin number Head pin number 4 4 ODDCMN1P HDP1 EVNCMN2P HDP2 HDP3 ODDCMN2P 4 ODDCMN2P HDP5 EVNCMN2P HDP6 ODDCMN1P HDP7 EVNCMN1P HDP8
55. eive printing data from the host computer I 4 13 amp 4 0123456789 1 lt gt amp 0123456789 lt gt I 55 7 01234567891 lt gt 5 amp 91234567891 lt gt 535 0123456789 lt gt ABCDEF 3 amp 01234567891 lt gt amp ABCDEFG 87 0123456789 lt gt 0123456789 lt gt ABCDEFGHI 0123456789 lt gt 4 0123456789 lt gt ABCDEFGHIJK 01234567891 lt gt 7 ABCDEFGHIJKL 5 0123456789 lt gt BABCDEFGHIJKLM 0123456789 lt gt BABCDEFGHIJKLHN 01234567891 lt gt amp ABCDEFGHIJKLHNO 0123456789 lt gt ABCDEFGHIJKLHNOP 101234567891 lt gt ABCDEFGHIJKLMNOPQ 101234567891 lt gt 8ABCDEFGHIJKLHNOPQR 0123456789 lt gt ABCDEFGHIJKLNNOPQRS 123456789 lt gt 8ABCDEFGHIJKLHNOPQRST 23456789 lt gt BABCDEFGHIJKLHMNOPQRSTU amp K 0 01234567891 lt gt 8ABCDEFGHI 0123456789 78 ABCDEFGHIJ 0123456789 lt gt 01234567891 lt gt 7 0123456789 1 278 ABCDEFGHIJKLM 7 19123456789 lt gt 8BABCDEFGHIJKLHN 0123456789 lt gt 10123456789 lt gt 7 ABCDEFGHIJKLMNOP 01234567891 lt
56. elts are rotated via two sheet feeder shafts to cause the continuous form to be fed In the push tractor method the form can be cut at about 1 inch after the end of printing Platen line of alternate long and two short dashes Pin tractor belts push tractor mechanism Continuous form Platen gear Idle gear Pin wheels Sheet feeder shafts Drive gear Drive gear B Figure 3 7 Continuous form feeding mechanism 3 28 3 Single sheet continuous form selection mechanism See Figure 3 8 Selection between the single sheet and continuous form is made by using the paper release lever on the right side of the printer mechanism Push the paper release lever backward The idle gear is raised toward the right and the driving force transmission from the platen gear to drive gears and B is disconnected so the pin tractors interlocked with drive gear B are stopped Front side Continuous form Paper release lever Rear side Single sheet or continuous form When bottom push tractor is used Platen gear Idle gear Drive gear B Bias spring Drive gear Microswitch Figure 3 8 Single sheet and continuous form selection As a result the single sheet is fed by platen rotation but the continuous form on the pin tractors is not fed When the paper release lever is pulled forward the idle gear is forced to the bias spring and moves in the
57. er printing 1 2 3 4 Remove the Ribbon Guide See section 4 3 1 Pull down head gap adjusting lever 1 to the front range range 9 position Remove two screws 2 and disconnect printhead 3 from connector 2 by lifting up vertically To install reverse the removal procedures sequence Notes on installation 1 Install printhead 3 while pressing it in the direction of the arrow so that it will contact tightly the surface of carriage frame 5 2 Be sure to check the gap between platen and printhead See Section 5 1 When assembling 4 6 4 3 3 Ribbon Protector 1 Remove the printhead See section 4 3 2 2 Remove two ribbon guide posts 1 then remove ribbon protector 2 by lifting up 3 To install reverse the removal procedure sequence Notes on installation 1 Align the printhead center with the center of the ribbon protector hole 2 Insure ribbon guide post base is in hole of ribbon protector When assembling 4 3 4 Upper Cover Assembly 7 2 4 5 6 Set the POWER switch to OFF and pull out the plug 1 from the receptacle Disconnect interface cable 2 Pull out platen knob 3 Turn release lever 2 forward Remove two screws 5 in the rear of the printer First lift rear cover assembly to upright position then lift the rear end of upper cover assembly 6 on the front part and slide it toward the front to take it off from
58. erator a end Form end Pert sheet end alarm bottom paper Pert s jam SASF paper jam or double cone jam or paper end when CSF is cone riso Indicates that the cover is open that the cover is open Print suppress BLINK Indicates that the printer is in the print suppress mode Printhead For details see Table 7 4 thermal alarm Fault alarm BLINK For details see paragraph 2 fault alarm display 2 Fault alarm display When the printer detects any of the various alarm states the information is displayed as shown below on the operation panel The alarm is specified by lamp combination of PRINT QUALITY and CHARACTER PITCH See Table 7 3 for details SELECT PARK ud 5 PRINT QUALITY UTIL11Y CO RIER c ALARM MODE f CARACTER PITCH Mc cS 10 91 15 POWER ar Te st UAI an PRINT EXIT c1 C PROP _ 1 ALARM lamp blinks for fault alarm Figure 7 1 7 2 Table 7 3 Error Category PQ lamp lamp Remedies ALARM 10 Message Alarm Program Turn the power off internal error and then on again 12 Over run Alarm Program Replace the NW DOCU EN program ROM CPU ALARM _ 10 internal RAM error RAM error NMI Alarm Non maskable Replace the interrupt detected control board Watch Dog Timer Alarm Program is out of control un c in ill
59. erface 7 13 J Check the menu settings related to the interface Baud rate Character format Protocol Busy signal output terminal selection 7 14 5 Ribbon feed trouble Remove the ribbon cartridge and rotate the ribbon cartridge ribbon feed knob Does it rotate smoothly NO Check to see if ribbon lock mechanism has been disengaged Replace the ribbon cartridge Manually shift the carriage to the left and to the right Does the ribbon feed shaft rotate yes Replace the ribbon feed assembly See Section 4 3 13 After the replacement it is necessary to adjust the backlash between the space motor gear and bevel gear See Section 5 3 Check that the ribbon feed shaft is correctly engaged with the ribbon feed roller of the ribbon cartridge 7 15 6 Line feed trouble Manually rotate the platen knob Does it rotate smoothly YES Il e Set the release lever to the open side Does the platen knob rotate smoothly YES Correct paper setting Remove any foreign matter or dust on the platen gear idle gear or drive gear e Smooth meshing of platen gear idle gear and drive gear Correct phasing of push tractor assembly R or L See Section 4 3 18 Replacement of push tractor assembly R or L See Section 4 3 18 Adjust the LF motor mini pitch belt tension See Section 5 4
60. es Connect it correctly 5 there dirt or dust on any of the sensors on the sensor board e Clean the sensor 5 bail arm L damaged AN Bail Motor i YES EN Replace bail arm L Replace the control board See Section 4 3 7 Remedied YES RA the sensor board See Section 4 3 12 Remedied Replace the bail motor See Section 4 3 16 e End End Sensors 7 12 4 Wrong character character omission or dot omission Are cables CN2 and CN6 on the control board connected correctly NO Connect them correctly 5 cable CN101 on the interface connector board connected correctly Interface connector board Connect it correctly Is the interface cable connected correctly YES M e Connect it correctly Are 8V outputs on the control board provided YES DA Are cables CN3 and CN7 the control board connected correctly to the power supply unit ves Em Connect them correctly Replace the power supply unit See Section 4 3 20 Replace the printhead See Section 4 3 2 Remedied YES Replace the program ROM Remedied YES End Replace the control board See Section 4 3 e Remedied To Printhead A e End 48 Do cables connected to CN2 CN6 the control board have internal open circuit YES Replace the cable s To Step To Int
61. ey Mini pitch belt Carriage assy lt gt Slide motor Figure 3 3 Spacing mechanism 3 24 3 2 5 Ribbon Feed Mechanism Operation See Figure 3 4 The ribbon feed mechanism feeds the ribbon in synchronization with the spacing operation The DC servo motor for spacing operation gives the driving force 1 Ribbon cartridge A one way feed endless ink ribbon is used to obtain consistent print quality 2 Feed operation The ribbon feed mechanism is driven as soon as spacing operation starts although no printing is made and stops after the end of the spacing operation The space motor rotation is transmitted to the drive roller in the ribbon cartridge via the ribbon feed gear assembly to feed the ribbon Drive roller Ribbon cartridge Change gear A Change gear B Drive shaft Ribbon feed gear assy Ribbon drive gear nis 4 7 Space motor Figure 3 4 Ribbon feed mechanism 3 25 3 2 6 Head Adjusting Operation See Figure 3 5 The head gap adjusting mechanism adjusts the between platen and the printhead This adjustment is necessary to obtain the proper head gap for varied paper thickness Adjustment is made with the head gap adjusting lever on the right side of the printer mechanism The head gap changes as the eccentric cam fixed on both ends of the main shaft rotates The adjustment is in 9 stages 1 to 9 Two
62. gt ABCDEFGHIJKLHNOPQ 9123456789 lt gt ABCDEFGHIJKLMNOPQR 1234567891 8ABCDEFGHIJKLMNOPQRS 23456789 8ABCDEFGHIJKLMNOPQRST 34567891 8ABCDEFGHIJKLMNOPQRSTU 456789 lt gt BABCDEFGHIJKLMNOPQRSTUV 56789 lt gt 8ABCDEFGHIJKLMNOPQRSTUVW 6 789 lt gt GBABCDEFGHIJKLHNOPQRSTUVWX 789 70ABCDEFGHIJKLMNOPQRSTUVWXY 89 1 78ABCDEFGHIJKLMNOPQRSTUVWXYZ 3456789 8ABCDEFGIIIJKLHHOPQRSTUV 9 lt gt 8ABCDBFGHIJKLMNOPQRSTUVWXYZ I t t 2 10 2 3 MENU SELECTION 2 3 1 OVERVIEW Access global type printer features functions as directly as possible Features selected in MENU mode become the default features for the printer each time it is powered on The Menu function allows the ability to activate features without the use of software commands Software commands will override MENU settings 2 3 2 KEY FUNCTIONS Key Name GROUP ITEM SET PRINT EXIT Function General categorization of functions features Selects next GROUP title once through the entire list loops back to the first GROUP Direct name of functions features Selects next ITEM title once through the entire list loops back to the first ITEM in the current GROUP Value setting of the ITEM Selects next SETTING value once through the entire list loops back to the beginning of the list Prints entire MENU and returns to top of MENU list Saves any changed settings a
63. hem correctly Replace the control board See Section 4 3 7 Remedied End Replace the operation panel connecting cable Remedied End Replace the operation panel Power Bar F1 4 38V CHECK 220 240 V To Power Supply Unit 7 8 2 No spacing operation The alarm lamp blinks 5 pid assembly binding or Jammed Ed Check around the space motor to repair the mechanism Replace program ROM Remedied T e End s fuse F1 on the control board blown Replace fuse F1 with same type and rated fuse Remedied End Check continuity of CN12 pins 3 and 4 Is open circuit Proper reading 75 ohms Replace ballast resistor under operator panel housing To step A A Is the 38 V output on the control board provided Check on the both ends of the 5 YES o cables CN3 and CN7 on the control board connected correctly them correctly n the power supply unit or connection cable See Section 4 3 20 CN5 and 12 on the control board connected correctly p them correctly 15 the Interlock switch assembly Remedied YES End Replace the control board See Section 4 3 7 38V CHECK d Remedied NO Replace the space motor See section 4 3 14 End mi ud To Space Motor 7 9 3 does not end normally e Bail alar
64. high voltage apply command LINE FEED DRIVER PHASE n DRIVE ODD PIN COMMON ODD PIN COMMON OPERATION PANEL LSI CLOCK Line feed motor phase existing command Common driving command of odd pin Common driving signal of odd pin Operation panel LSI read write timing signal OPERATION PANEL DATA IN OPERATION PANEL LSI SEQUENCE CLEAR OPERATION PANEL DATA OUT Operation panel LSI read data line The signal to clear the LSI sequence on operation panel Operation panel LSI write data line B 3 Abbreviation of signal name PCBTMPCHK PEND N POWLOW N PSEN N PWLEVEL RAS0 N RD RD N RELEASSW N RESET N RTS RVSSINK P SELECT N SELECTIN N SPFWD P SPLMT1 2 N SPM1 2 SPPHA SPPHB SPRVS P SSD STB N TD WR N Function Signal name THRESHOLD LINE for PCB TEMPERATURE PAPER END Not used Centronics interface signal Paper signal POWER SUPPLY LOW CPU PROGRAM STORE ENABLE Power supply overload signal The timing signal for CPU to read an external program DRIVING POWER 38 LEVEL The signal indicates the driving power level RAW ADDRESS STROBE The DRAM control signal indicates raw address strobe timing RS 232 serial interface signal line that indicates received data CPU data read signal RECEIVED DATA READ PLATEN LOCK RELEASE LEVER CPU RESET REQUEST TO SEND Platen lock release lever
65. ht tractor assembly Tractor Assy Left Do not lubricate the left tractor assembly 23 7 IROUBLESHOOTING PROCEDURES The flow chart given below is a list of troubleshooting procedures that have been used to cope with local malfunctions Item 1 Data entered but the paper does not feed YES Is paper jammed Remove the paper NO YES Is paper skewed Reset the paper NO The Bottom Feeder Set the printer online Is the is not selected and light the SELECT SELECT indicator on NO Faulty Bottom Feeder indicator by pressing the printer lit interface cable the SELECT switch connection or defective e Reconnect the cable or cable replace the cable YES SELECT indicator on the printer off or is the ALARM indicator on the printer lit YES See Item 2 See Item 3 NO Is the Bottom Feeder pulse motor operating NO Replace pulse motor Remedy e Defective BTFD printed circuit board e Replace the BTFD printed circuit board E 24 Item 2 The ALARM indicator on the printer is lit No paper is set e Paper is jammed The release lever on YES the printer is set to the OPEN position Is the ALARM indicator lit Faulty Bottom Feeder cable connection Paper exist on the rear tractor Item 3 The SELECT indicator on the printer is off e Paper is stuck in the YE
66. igh L Buffer overflow No Parity error Store 40H in buffer Store the received character in buffer Is the printer in DESELECT state or is the paper low Yes Is remaining buffer space 512 Has 200 ms or 1 sec elapsed after SSD was turned ON Turn off the SSD signal Printer busy No Turn on the SSD signal Yes No Output one character from the buffer to printer 3 12 2 X ON X OFF protocol X ON X OFF Received one character Yes Is Yes DSR valid No DSR High Buffer overflow No Parity error Store 40H in buffer Store the received character in buffer 15 the printer in DESELECT state or is the paper low Yes Is remaining buffer space 5 512 200 ms elapsed after sending DC3 is turned on or has 1 second elapsed eee Ready to send ne Ready to send Send DC1 Send DC3 Yes Printer busy No Output one character to printer 3 1 2 4 Printing operation time chart for the spacing printing and line feed operations as shown below The spacing printing and line feed operations are controlled by the MPU The MPU also controls the entire timing of these operations Acceler Constant speed Deceler ation ation SP Motor Operation Printing Print Line Feed LF When starting the printing oper
67. into a receptacle AC receptacle AC input plug Cm Interface cable Da AC cable Do not disassemble the printer as long as it is operating normally Do not remove unnecessary parts and limit the disassembly area as small as possible Use the designated service tools Carry out disassembly in the prescribed sequence otherwise damage to the parts may result It is advisable to temporarily install screws snap rings and other small parts in their original positions to avoid losing them Whenever handling the microprocessors ROM RAM IC chips and boards do not use gloves which may cause static electricity Do not place the printed circuit board directly on the equipment or on the floor If adjustment is specified in the middle of installation follow the instructions 4 2 SERVICE TOOLS Table 4 1 lists the tools necessary for replacing printed circuit boards and parts of units in the field Tabie 4 1 Service tools No Use Remarks 1 1 No 1 100 Phillips screwdriver Screws 2 6 mm Screws 3 5 mm No 2 200 Phillips screwdriver No 3 100 screwdriver Spring hook lu RH 7 Head adjustment Feeler gauge 10 1 1 155 500 O 4 2 _ 4 3 Disassembly Reassembly of Procedure This section explains the assembly replacement procedures according to the following disassembly system Parts Layout 4 NE
68. ive gear is pushed leftward in the direction of the black arrow the drive gear and idle gear are disengaged to rotate only the pin tractor in the pull tractor This makes it possible to eliminate the slackness of the form After adjustment is completed the spring force pushes the drive gear to the right in the direction of the white arrow gt to reengage it with the idle gear thus enabling form feeding Pull tractor mechanism Pull tractor unit _ Drive gear Push tractor mechanism Idle gear EJ ae 4 Platen Figure 3 10 Push pull tractor mechanism 3 31 _ 3 2 8 Paper End Detection Mechanism See Figure 3 11 1 Rear form end detection mechanism when the form with sprocket holes is used The form prevents the paper end lever tip end from coming into the hole on the sheet feeder cover rib and the microswitch 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 for form end detection The form end state is detected when the remaining form length from the printing position is down to 5 78 inches 147 mm Form O O O Sheet feed cover rib O Pin tractor L A N ET Micro switch Paper end lever Figure 3 11 Rear form end detection mechanism 3 32 2 Bottom paper end detection mechanism See Figure 3 12 When
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70. m step 3 2 Replace the power supply unit See Section 4 3 20 Head homing alarm 5 38 output the control board YES Are the cables of CN3 and 7 on the control board correctly connected to the power supply unit Replace the power supply unit See Section 4 3 20 Connect them correctly 5 cable CN1 on the control board connected correctly YES Pe Connect it correctly Replace Interlock switch assembly Remedied e End Replace the control board See Section 4 3 7 e Remedied e End Replace the space motor See Section 4 3 14 7 10 5 Turn off the power manually move the carriage Does it move smoothly step A Is there paper or dirt on the spacing mechanism e Remove it EH RH Remove the ribbon cartridge Does the carriage move smoothly e Replace the ribbon cartridge B Replace the ribbon feed assembly See Section 4 3 13 7 11 Manually rotate the bail open gear counterclockwise Does it rotate smoothly YES QJ Remove any paper scrap or foreign matter near the bail motor gear idle gear and bail open gear Check the meshing of each of the above gears s cable CN4 on the control board connected correctly Yes KJ Connect it correctly 5 cable CN2 CN3 on the sensor board connected correctly Y
71. m 8 To install reverse the removal procedure sequence Note on installation 1 Do not allow the cables and connectors to be caught under printer mechanism 4 13 4 3 9 Platen Assembly 1 2 3 4 S 6 8 Remove the printer mechanism See section 4 3 8 Loosen three bolts 1 move LF motor close to platen assembly 5 and remove line feed belt 3 Remove E snap ring 4 and remove washer A spring 6 and idle gear 7 Remove screw 8 and remove platen pulley 9 washer B 9 and bearing 1 Remove screw 2 and remove gear 3 and bearing Take out the platen assembly 9 and platen lever 6 Remove platen lever 0 To install reverse the removal procedure sequence Notes on installation 1 Be sure to install correctly washer 9 2 Be sure to adjust the belt tension after installing line feed belt 3 See section 5 4 4 14 4 3 10 Line Feed Motor Assembly 1 2 3 Remove the printer mechanism See section 4 3 8 Remove three bolts 1 three spring washers 2 and three washers 3 then remove line feed motor 2 To install reverse the removal procedure sequence Notes on installation 1 Pay attention to the orientation of cable extending out of line feed motor 4 2 Adjust line feed belt 6 tension after installing line feed motor 4 See section 5 4 5 4 15 4 3 11 Head Cable Assembly 1 2
72. m Tear Off Skip Over Perforation Page Width Page Length Line Spacing Form Tear Off Skip Over Perforation Page Width Page Length Line Spacing Skip Over Perforation Page Width Page Length Graphics Receive Buffer Size Paper Out Override Print Registration Operator Panel Function Reset Inhibit Print Suppress Effective Auto LF Auto CR CSF Bin Select SI Select Pitch 10 CPI 51 Select Pitch 12 CPI Time Out Print Auto Select Sensor Disable IBM PPR Utility NLQ Courier IBM PPR NLQ Courier 10 CPI Normal Single Set American Slashed No USA 6 13 6 11 6 13 6 11 8 11 Bi directional 16K No 0 00 mm Full Operation No Yes No No Bin 1 17 1 CPI 20 CPI Valid No No Step 5 Push EXIT to exit MENU Menu End and return to Print mode Printout Serial I F Serial I F Serial I F Serial I F Serial I F Serial I F Serial I F Serial I F Serial I F 2 16 Parity Serial Data 7 or 8 Bits Protocol Diagnostic Test Busy Line Baud Rate DSR Signal DTR Signal Busy Time None 8 Bits Ready Busy No SSD 9600 BPS Valid Ready on Power Up 200 mS 3 THEORY OF OPERATION 3 THEORY OF OPERATION 3 1 Electrical Operation 1 Main control board Microprocessor MPU controls the whole printer via the peripheral 1515 memory and other circuits Interface circui
73. microswitches one on each end of the adjusting lever allow for three levels of printhead force depending on paper thickness Settings one and two for standard paper three and four for copying paper and five thru nine for heavy stock or envelopes Printhead Platen Main shaft Adjusting lever Microswitch 1 Microswitch Figure 3 5 Head gap adjusting mechanism 3 26 3 2 7 Paper Feed Operation Line feeding of the printing paper is driven LF motor to feed tractor 1 Stepping motor LF motor Single sheet feeding mechanism See Figure 3 6 The LF motor for paper feeding is installed on the left side frame The motor rotation is transmitted to the platen via the platen pulley The mechanism is designed to feed the paper by 0 17 inch 4 23 mm when the stepping motor rotates 60 steps The minimum feed rate is for one step of the LF motor or 0 03 inch 0 07 mm Single sheet Y Paper sensor Pressure rollers Paper chute Mini pitch belt Platen pulley Figure 3 6 Single sheet feeding mechanism 3 27 2 1 Continuous form feeding mechanism See Figure 3 7 The power transmitted to the platen as described in 1 single sheet feeding operation rotates drive gears A and B by way of the platen gear at the right end of the platen and the idle gear As drive gears A and B rotate the pin wheels and pin tractor b
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75. nd leaves the MENU 2 3 3 1 To enter Menu mode depress and CPI switch a Printer deselected state SEL LED off b Press GROUP switch to print first MENU item Upon entering Menu mode the first GROUP ITEM SET is printed See Key functions above for description of operation To exit MENU mode depress the EXIT switch If conflicting functions are set in menu mode the printer will treat these function according to the priority table The TOF position is not affected by MENU mode Depressing TOF SEL switches simultaneously on power up will reset the menu back to its factory settings see FACTORY SETTINGS for further details Note When entering exiting Menu mode the user is not prompted 2 12 2 3 4 TABLE MENU SELECTIONS NOTE Factory settings are bold printed Group Item Setting Printer Mode Emulation Mode IBM PPR EPSON FX Font Print Mode Utility NLQ Courier NLQ Gothic HSD Pitch 10 CPI 12 CPI 15 CPI 17 1 CPI 20 CPI Proportional Style Normal Italics Size Single Double Symbol Sets Character Set Set Il Set Language Set American F French German British Danish Swedish I Italian Spanish Japanese Norwegian Danish Spanish Latin American French Canadian Dutch Swedish Il Swedish Ill Swedish IV Turkish Swiss Swiss ll Publisher Zero Character Unslashed Slashed Slash Letter 0 No Yes Code Page USA Canada French Multilingual Portugal
76. nt Dot signals D1 D9 4 Overdrive signals ODCM I 3 15 Leading 4 id Overdrive signal Trailing id 5 Dot signal T1 Drive OFF time T2 Odd even pin drive time difference Equals T1 in the modes of simultaneous driving of odd and even pins Signals in the above timing diagram correspond to the following signal names in the circuit diagram Forward print Odd pin leading Overdrive signal Dot signal Leading ODCM D1 D3 D5 D7 D9 Trailing EVCM 02 D4 D6 D8 Reverse print Even pin leading Overdrive signal Dot signal Leading EVCM D2 D4 D6 D8 Trailing ODCM D1 D3 D5 D7 D9 3 1 2 6 Space motor control 1 motor control LSI Q5 generates the SPMO DA signal internal use upon receiving the spacing command from the MPU This is a fixed cycle pulse signal The motor control LSI varies the pulse duty according to the speed data from the MPU to control the motor speed The SPFWD or SPRVS signal from the motor control LSI Q5 changes the current direction in the DC motor to run the motor in the forward or reverse direction sew EL SPRVS 8 Motor Current w SPLMT1 N C L Lo 2 Slit encoder As the space motor rotates it generates feedback pulse signals 5 and 5 The motor control LSI dete
77. om Push Tractor Unit gt ts NA Bottom push mechanism Bottom push cover assembly E 2 2 INSTALLATION PROCEDURE 2 1 Unpacking 2 1 1 Unpacking the packing box 1 Open the packing box 2 Remove bottom push tractor unit from the packing box with two cushionings attached 3 Remove the two cushioning materials Cushioning material Right section of the bottom push tractor unit Cushioning material Left section of the bottom push tractor unit 2 1 2 Unpacking the bottom push tractor unit 1 Remove the bottom push tractor unit from the polyethylene bag 2 Take off fixing tape and then remove desiccant and pull up roller assembly from bottom push tractor unit 3 Remove the pull up roller assembly from the polyethylene bag E 4 2 2 Installation 2 2 1 Precautions for Installation See section 2 2 1 for a description of the printer unit 2 2 2 Installing the Printer Unit Place the printer unit in the bottom push tractor unit and connect the cable from the bottom push tractor unit to the DIN connector in the rear panel of the printer unit Printer unit DIN connector Bottom push tractor unit E 5 2 2 3 Installing the Pull Up Roller Assembly Remove the paper separator of the printer unit and install the pull up roller assembly Remove the paper separator Paper separator Pull up roller assembly 2 2 4 Installing Paper 1 Open the bottom cover 2 Ins
78. ontrol of the MPU and has the following functions Dot On timing generation This LSI generates the Dot On timing HDIPT in synchronism with the printing mode and space motor position information from another LSI Q5 b Drive correction This LSI determines the magnet drive time with the following corrections when outputting the above signals Correction for edge pin driving Correction for the number of pins driven at the same time Correction for head gap e e e Correction for the driving time difference between odd and even pins N c Stepping motor holding control This LSI outputs the stepping motor drive signal to generate holding to torque The signal is alternative and continuous with specified duty cycle 3 1 2 Other Circuits 3 1 2 1 Initialize This printer is initialized when the power is turned on or when the I PRIME signal is input from the host side via the parallel interface For the initialize operation the RESET N signal is first output from the reset circuit to reset the MPUs and 1515 When resetting ends the program starts and 1515 are reset by MPU via CPU RESET P Reset operation by I PRIME starts program to initialize but not reset MPU The program here sets the mode of the 1515 02 Q5 including the MPU Q3 checks the memories ROMs and RAMs then carries out carriage homing bail arm homing and determines the LF motor phase Finally the program establishes the interface signals P
79. or 3 cable guide 4 and head cable from carriage frame Remove screw Q and belt 8 5 Remove idle pulley from idle pulley bracket and remove space belt 9 0 install reverse the removal procedure sequence lt oN i 4 CUm EN ji J S NE QU 4 22 4 3 16 Motor Assembly Remove the printer mechanism See section 4 3 8 2 Disconnect cable CN2 1 3 Remove two screws 2 and remove bail motor assembly 3 4 install reverse the removal procedure sequence Note on installation 1 Adjust the backlash of gear A See section 5 2 4 23 4 3 17 Paper Bail Assembly 1 2 3 4 5 6 7 Remove the bail motor assembly See section 4 3 16 Remove two springs 1 Remove idle gear 2 Remove one E snap ring 3 and remove bail open 4 Remove one E snap ring 5 and remove bail arm L 6 to the left while drawing it from paper bail bar 9 Remove bail arm R 8 to the right while expanding clamp 7 outward To install reverse the removal procedure sequence Note on installation 1 Since the shape of the spring 1 for the right side is different from that for the left side be careful not to install the spring 1 for the right side to the left side and that for the left side to the right side 4 24 4 3 18 Push Tractor Assembly and Release Lever 1 2 3 4
80. owing accessories removed from the unpacked packing box on the printer unit 1 Platen knob Ribbon cartridge 2 Ribbon cartridge Platen knob 2 7 2 2 4 Connecting cables 1 Connect the AC cable to the printer 2 Connect the interface cable to the printer cable oS AC cable host computer Rear section of printer Connecting RS 232C Connecting Centronics serial interface cable parallel interface cable Shill the blind palch lo the left Shill the blind palch lo the righl Blind palch fixing screws 2 Note Unit is shipped with the Parallel Port exposed No bracket adjustment is necessary unless using M 232 2 8 2 2 5 Installing paper Install printing paper on the printer for the test run 2 2 6 Powering on 1 Turn on the POWER switch on the right side of the printer unit 2 Confirm that the POWER LED is on and that the printhead returns to its home left most position 3 If the printer unit shows no abnormality after it is powered on proceed to the next step 4 for test printing 2 9 4 Test printing a After confirming that the POWER switch is off turn it on while pressing the FORM FEED switch b Confirm that the printer unit prints out the test pattern as shown in the figure below C Press the SELECT switch to end the printing test d Confirm that the SELECT lamp is on indicating that the printer unit is ready to rec
81. owing procedure a Adjust the height of the desk on which to place the printer to 30 inches 75 cm as a standard See to it that the desk surface is horizontal and smooth and that the rubber protectors on the bottom of the desk legs are level b Set the printing paper on the floor below the printer so that it may be fed into the printer without skewing from the feeding path by more than 2 inches 5 cm E i a 50 as See 2 inches 5 cm or less Align the section of the printer with the edge of the desk Keep distance of 24 inches 60 cm or more between the rear section of the printer unit and the wall to provide a space for printed paper being fed out d Keep a distance of 4 to 6 inches 10 to 15 cm or more between the unprinted paper fed into the printer and the printed paper fed out of the printer If the paper going in one direction interferes with the paper going the other way they may jam inside the printer 24 inches 60 cm or more A Wall LO uo Q E e P 2 Floor 4 to 6 inches 10 to 15 cm 2 6 2 2 2 Removing the shipping retainer Remove the shipping retainer that secures the printhead Carriage Shipping retainer 1 1 Platen Printhead Note Be sure to replace the shipping retainer whenever you ship your printer It secures the printhead in place to protect it 2 2 3 Installing the accessories Install the foll
82. per cover See section 4 3 4 Remove ribbon cartridge 1 Release the lock of contrtol board connector CN10 2 and pull out cable 3 Remove five screws 6 and remove shield cover assembly 7 then cables 4 and 5 Loosen set screw 8 behind board and remove all connectors CN1 to 9 from control board 9 while lifting it slightly Remove control board 9 upward Remove two screws 0 and remove interlock switch assembly To install reverse the removal installation procedure sequence Notes on installation 1 Do not allow the connecting cable to be caught under control board 9 2 Insert control board 9 in groove A on lower cover 2 and butt it on the right before tightening the set screw 3 Before fixing the shield cover fit control board 9 in groove on left and right sides 4 11 SSS LA eN w Ste 4 12 4 3 8 Printer Mechanism 1 2 3 4 5 6 Remove control board See section 4 3 7 Disconnect cables CN102 2 and CN103 3 connected to interface connector board 1 Remove three screws 4 Remove three screws 5 and remove fitting 6 three places Holding the front side portion and rear side portion B of base frame 9 lift it up vertically for removing printer mechanism 8 Do not hold ribbon cartridge bracket 9 paper chute 0 and guide shaft A D of the sheet feeder assembly when removing printer mechanis
83. rd BTFD Bottom Push Tractor Controller pieoq 2 2 pJeoq yun 5 pieoq 61 vel 6v 3 SIGNAL LIST Abbreviation of signal name 38V 5V 8V 8V OV 0 A15 AD7 ALE P ALM N AUTOFEEDXT N BAILOPN N BELL P 01 04 BMOVDV P BMPH1 4 BUSY N CD 5 CENTROSV N CENTROSEL N 38 Voit 5 Volt 8 Volt Power supply for drive circuit Power supply for logical circuit Power supply for RS 232 serial interface circuit 8 Volt Power supply for RS 232 serial interface circuit SIGNAL GROUND CPU ADDRESS BUS ACKNOWLEDGE Ground for logical circuit Address bus signal of CPU MSM67X640 Centronics interface signal indicating that data reception is ready Address data bus signal of CPU MSM67X640 The timing signal indicates the address latch timing on multiplex bus CPU ADDRESS DATA BUS CPU ADDRESS LATCH ENABLE ALARM Signal for detecting an abnormality in the drive circuit AUTOMATIC PAPER FEED Centronics interface signal indicating EXECUTE automatic line feed when CR code is received PAPER BAIL OPEN BUZZER ON BAIL BAR FEED MOTOR PHASE n DRIVE BAIL BAR FEED MOTOR COMMON BAIL BAR FEED MOTOR OVER DRIVE BAIL BAR FEED MOTOR PHASE n
84. reverse direction of the arrow Therefore platen gear rotation is transmitted to drive gears A and B to cause feeding of the continuous form A microswitch is installed under the paper release lever to detect the paper release lever set position It is used for the control of paper feeding in automatic loading 3 29 4 Bottom push tractor mechanism option See Figure 3 9 The bottom push tractor is driven by the LF motor pulse motor in the bottom push tractor Motor power is relayed to the drive shaft via the mini pitch belt and this shaft feeds the paper to the printer unit To printer unit Pin tractor belts Push tractor mechanism LF motor oy Drive shaft Drive pully Mini pitch belt Figure 3 9 Bottom push tractor mechanism 3 30 5 Spring Push pull tractor mechanism Option See Figure 3 10 This mechanism consists of the optional pull tractor mechanism and the standard push tractor mechanism This mechanism is used for forward and reverse feeding of the continuous form by serie it to the push and pull tractor mechanisms The platen pulley rotation is transmitted to the push tractor mechanism and pull tractor unit to cause form feeding at these two places Actually the operations described in 3 and 4 above are carried out concurrently Adjustment to eliminate slackness on the push and pull tractor mechanisms is necessary before starting continuous form feeding When the dr
85. rs and assuming that the printers are operated for 2 hours day of 600 hours year The following codes are used to indicate the number of printers for which maintenance parts are ordered Code Number of Printers Up to 100 B Up to 500 C Up to 1 000 D 1 Upper cover assembly D 2 AA y y N Shield cover assembly D 7 Carriage assembly D 8 Tractor unit D 9 asl a A Parts No p 2PA4016 4723G33 1PA4094 5837G2 1PA4094 5841G2 3PA4043 4278G2 4YA4023 1501G1 3PP4043 2501P1 4YA4042 1511G1 3PP4043 4339G1 AY 4042 151201 4YS4011 4311P4 41 192200 5 4YA4042 1509G12 4 4042 1510 11 4 4049 1278 2 3Y 4011 7912G1 4YS4011 6295G1 4Y54011 6253G3 3YS4011 1268P1 3YS4011 1265P1 3YX4043 2550G4 4043 4249 1 41 1313 313 4043 2556 1 3PP4043 2466P1 3PP4043 4246P1 3YX4043 2561G1 3PA4043 2562G1 Table of Parts Numbe Middle Cover Assy OE 1 Sensor Board Connection Cord Spring Cover Open Lever Main PCB CBNP without ROM Interface Connector Assy HKTY Spare part of IFNP PCB Power Supply Assy 220 240V IF Main Board Connection Cord 50P Mini Pitch Belt LP D 10 1 3 1 ML393E 1 ML393E 2612 2 ML393E 1 ML393E ML393E l i EH 3 6 ML393E 44 45 46
86. s read upon receiving the RD N signal from the MPU When the data processing ends the BUSY N signal is set to off and the ACK N signal is sent to request the next data When reception is impossible because the buffer is full the BUSY signal is sent to request stopping of data transmission DATA 1 8 5 BUSY ACK N 03 Q5 Parallel I F LSI LC92018 562 MPU 67X640 AUTO FEEDXT N SELECTIN N Serial parallel select switch 3 10 2 RS 232C serial interface When the microswitch of the interface connector assembly is turned ON the CENTROSEL N signal goes to the high level to set the LSI Q5 to the serial interface mode RS 232C interface signals DSR CTS CD and RD are converted to the TTL level by the line receiver IC Q13 and input to the MPU and LSI Q5 The serial data input to the serial port pin 57 of the MPU is converted to parallel data by the MPU On the other hand interface signals DTR RTS SSD and TD output from the MPU and LSI are converted to the 5 232 line voltage by the line driver 012 and sent to the serial interface SSD Q5 Serial I F LSI LC92018 562 AD BUS IFLSIIPT N Q12 Line TXD driver RXD Line receiver Serial parallel select switch 3 1 2 3 Communication flow charts Ready busy protocol Read Busy Received one character Yes Is Yes DSR valid DSR H
87. signa is output to switch off the power supply to stop all DC voltage outputs Head high temperature alarm circuit The thermistor built in the head monitors the head temperature for head coil protection If high duty printing continues for a long time the head temperature rises If it reaches a certain level approx 115 C 125 C head high temperature alarm 1 is detected to start one way printing When head temperature alarm 2 is detected the printing operation is suspended to wait for the head temperature to fall When the temperature falls to below the detection temperature normal printing operation restarts As the head temperature rises the resistance of the thermistor decreases and the potential of the input to the A D converter built in the MPU falls When the potential goes below the alarm 1 specific level MPU goes into alarm 1 procedure Simultaneously MPU continues to check if the potential goes below alarm 2 specific level When going below alarm 2 level MPU goes into alarm 2 procedure Paper end detection circuit Three sensors continuous form end sensor bottom paper end sensor and cut sheet paper end sensor are provided for different paper set routes to monitor paper end When paper runs out the corresponding sensor is turned off to input the CONTINUOUS form end BOTTOM PE or CUT SHEET PAPER END signal to the LSI Q2 or MPU and is read by the MPU The MPU stops the printing operation informs the host of the paper en
88. state signal The CPU reset signal RS 232 serial interface signal indicating the ready state for reception SPACING MOTOR REVERSE CURRENT SINK SELECT SELECT IN Signal for controlling DC space motor drive current to reverse rotation Reception ready signal The DC1 DC3 code is valid only when this signal is high SPACING MOTOR FORWARD Spacing motor forward rotation command signal SPACING MOTOR DRIVE CURRENT LIMIT SET SPACING PHASE 1 2 SPACING MOTOR SLIT ENCODER PHASE A SPACING MOTOR SLIT ENCODER PHASE B SPACING MOTOR REVERSE Spacing motor current limit setting signal Spacing motor current line Spacing motor slit encoder phase A output Spacing motor slit encoder phase B output Spacing motor reverse rotation command signal SUPERVISORY SEND DATA RC 232 serial interface signal indicating the ready state for reception DATA STROBE TRANSMITTED DATA Centronics interface signal RS 232 serial interface signal line that indicates send data to HOST WRITE CPU data write signal C CIRCUIT DIAGRAM Figure 10 1 Main controller CBNP 1 10 circuit diagram PCB REV 3 Figure 10 2 Main controller PCB CBNP 2 10 circuit diagram REV 3 Figure 10 3 Main controller CBNP 3 10 circuit diagram PCB REV 3 Figure 10 4 Main controller CBNP 4 10 circuit diagram REV 3 Figure 10 5 Main controller CBNP 5 10 circuit diagram PCB REV 3 Figure 1
89. tall the printing paper Bottom cover Printing paper 3 Close the bottom cover a 0 0 0 0 4 0 0 0 E 7 2 2 5 Powering On 1 Turn on the POWER switch on the right side of the printer unit Q Confirm that the POWER LED is on and that the printhead returns to its home left most position POWER 3 If the printer unit shows no abnormality after it is powered on proceed to the next step for test printing E 8 4 Test printing a After confirming that the POWER switch is off turn it on while pressing the FORM FEED switch b Confirm that the printer unit prints out the test pattern as shown in the figure below c Press the SELECT switch to end the printing test d Confirm that the SELECT lamp is on indicating that the printer unit is ready to receive printing data from the host computer 9123456789 1 lt gt 9123456789 lt gt 7 90123456789 lt gt 0123456789 1 lt gt 9123456789 lt gt 8ABCDEFGH 9123456789 lt gt 0123456789 T8ABCDEFGHIJ 0123456789 lt gt ABCDEFGHIJK 9123456789 8ABCDEFGHIJKL 01234567891 lt gt ABCDEFGHIJKLi 19123456789 lt gt 9123456789 78ABCDEFGHIJKLHHNHO 8123456789 lt gt RABCDEFGHIJKLHHOP _
90. the paper exists the paper prevents the tip end of the bottom paper end lever from coming into the hole on the main frame and the sensor is in the ON state When the paper runs out the bottom paper end lever comes into the hole on the main frame At the same time the other end of the bottom paper end lever shields the sensor to provide the OFF state for bottom paper end detection The bottom paper end is detected when the remaining paper length from the current printing position becomes approx 2 36 inches 60 Hole on main frame Bottom paper end lever NC 22 lt Sensor Figure 3 12 Bottom paper end detection mechanism 3 33 i R s sll s mM DRAIN 4 ASSEMBLY DISASSEMBLY 4 ASSEMBLY DISASSEMBLY This section explains the procedures for removing and installing various assemblies and units in the field Description is mainly limited to the removal procedure installation should basically be performed in the reverse sequence of the removal procedure 4 1 Precautions for Parts Replacement 7 2 3 4 S 6 7 8 9 Remove the AC cable and the interface cable before disassembling or assembling a Turn off the AC power switch Remove the AC input plug of the AC cable from the receptacle Remove the AC cable from the inlet on the printer b To connect the AC cable again connect it to the inlet on the printer first then insert the AC input plug
91. ts and various motor driver circuits are also mounted on this board 2 Power supply unit The power supply unit converts the AC input to 5 VDC 38 VDC and 8 VDC 3 Guo TANVE dO 9998 WdO APPLE REPOND PTIT CTP II LIT ELITE TSI SAIT TTL LT LL RARI ca rs dell 2 XX r 2 2 T P 4 7 5 j 5 RIVNG E LIQDULS 4 W IYX4 l A 7 5 2 P W TVGH 2 2 2 AS 87 C 3 IST oa LINA TULES 19P994 3 2 u013108 4182 A ae p 7 6 n Linowro GE Jamoa LINOUIO P c ws 23534 n 1597 amp st Pe 000606060066 50066005 0506000000 6000606 0055600 prr p E I 520 gt Q Uds D Ec 440 NYA 2 089 4 1 191298 2 A LHH ei ni A Eo RPNPL 4400 4440 HOD LARA LINOUIO 2 1OWLNOO as jj x gm laa gm xeprirooug f TOULNO 5 gt a 41 aes 2 E x SOLON 24 ANAL
92. uffer for a total of 64 K x 8 bits EEPROM Q14 This 256 bits serial electrically erasable and programmable ROM stores the menu data 5 LSI Q5 1 92018 562 This LSI for motor control and interface control has the following functions a Space motor speed control This LSI accelerates and decelerates the space motor according to the input commands from the MPU It also controls the space motor speed in each printing mode b Space motor position information generation This LSI generates the normalized motor position signal to generate dot on timing according to the output phase A or B of the encoder built in the space motor and sends the information to another LSI Q2 Interface control This 151 is used as the control input and output ports for the parallel and serial interface data and various interface signals The input signal to pin 32 IFSEL of the LSI enables selection between the parallel and serial interface modes d port This LSI has a 21 bit output port and a 5 bit input port It outputs various control signals according to the input commands from the MPU It also reads operation panel switch information from the input port e Address latch This LSI latches the lower 8 bits Ao of the address on the MPU and uses them as the address for read write from and to peripheral devices 6 LSI Q2 LC92018 563 This LSI controls the 9 pin stagger printhead under the c
93. y YES Correctly connect CN103 on the interface connector board Replace the rear push tractor assembly L See Section 4 3 18 Does the single sheet end sensor function correctly 5 RA Check that there is no dirt or dust on the sensor surface Correctly connect on the sensor board Replace the sensor cable assembly Does the bottom paper end sensor function correctly YES J Check that there is no dirt or dust on the sensor board Correctly connect cable CN3 on the sensor board Correctly connect cable 4 on the control board Replace the sensor board See Section 4 3 12 Does the release lever microswitch function correctly YES QJ Correctly connect cable 9 on the control board Replace the release lever microswitch and cable assembly e Replace the control board See Section 4 3 7 2 Continuous lt paper end Releass Single sheet Head G sensor Lever ea ap ES Bottom paper end Head Gap sensor MS 2 Cover Open MS 7 20 7 7 Connection Diagram mbly Shield cover asse CN102 6P Printer mechanism CN103 2P x y amp TE a 7 21 iit APPENDIX LAYOUT List 1 Circuit board Main Controller 2 Circuit board HKTY Interface Connector Board 3 Circuit board LPRW Sensor Board 4 Circuit board OPML Operator Panel 5 Circuit boa

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