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Epson DFX 8000, Руководство по обслуживанию

Принтер Epson DFX 8000 - надежное и мощное устройство для печати больших объемов документов. Чтобы использовать принтер на максимуме его возможностей, обязательно скачайте бесплатное руководство по эксплуатации на manualshive.com. Эта инструкция поможет вам освоить все функции устройства и достичь отличных результатов.

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Technical Specifications

 A-l. Connector Assignments (continued)

Component

Name

BOPS

Connector

Number

Number

of Pins

Description

CNl

3

AC input

CN2

12

DC output (+ 35 VDC)

CN3

6

DC output (+ 35 VDC)

CN4

10

DC output (+ 5 VDC, 12 VAC)
Power supply control signal input/
monitor signal output

CN5

2

Fan drive DC output (+ 35 VDC)

See
Table

A-17

A-18

I

Table A-2.

 

 Pin Assignments

A-3

Содержание DFX 8000

Страница 1: ...D F X 8 0 0 0 Dot Matrix Printer TM DFX8000 ...

Страница 2: ...EPSON D F X 8 0 0 0 Service Manual Revision Level 11 ...

Страница 3: ...For Canadian Users This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus as set out in the radio interference regulations of the Canadian Department of Communications Le present appareil numerique n emet pas de bruits radioelectriques depassant les limites applicable8 aux appareils numeriques de Classe B prescrites dans le reglement sur le broui...

Страница 4: ...e unit to a power source until instructed to do so When the power supply cable must be connected use extreme caution in working on the power supply and other electronic components CAUTION 1 Repairs on Epson products should be performed only by an Epson certified repair technician 2 Make certain that the source voltage is the same as the rated voltage listed on the serial number rating plate If the...

Страница 5: ...iv ...

Страница 6: ...anel 1 28 Self Test Function 1 32 Hexadecimal Dump Function 1 33 DIP Switch Settings 1 34 Jumper Settings 1 38 Buffer Full Printing 1 38 Buzzer 1 38 Error Detection 1 39 Paper End Detection 1 40 Cover Open Detection 1 40 Paper Thickness Detection 1 41 Paper Width Detection 1 41 Non volatile User defined Characters 1 41 Paper Memory Function 1 41 Paper Cutter 1 48 Copy Mode 1 48 Printer Initializat...

Страница 7: ...etection Circuits Connected to the General Purpose Ports 2 37 Ribbon Feed Motor External Fan Control Drive Circuit 2 39 Paper Feed Motor Control Drive Circuit 2 40 Platen Gap Motor Control Drive Circuit 2 42 Carriage Motor Control Drive Circuit 2 46 Print Head Control Drive Circuit 2 49 Chapter 3 Disassembly and Assembly Before Starting 3 1 Tools 3 5 Service Delivery Standard Checklist 3 8 Disasse...

Страница 8: ... 5 2 Bypass of the Interlock Switch and the Cover open Sensor 5 3 Unit Replacement 5 6 Power Supply Board Unit Component Repair 5 14 Driver Board Unit Component Repair 5 20 Main Board Unit Component Repair 5 25 Chapter 6 Maintenance Preventive Maintenance 6 1 Lubrication and Adhesive Application 6 1 Appendix A Technical Specifications Component Connections A 1 The Terminal Board A 19 The Head Boar...

Страница 9: ... indicators 1 31 Self Test Function 1 32 Hexadecimal Dump Function 1 33 DIP Switch Settings 1 34 Jumper Settings 1 38 Buffer Full Printing 1 38 Buzzer 1 38 Error Detection 1 39 Paper End Detection 1 40 Cover Open Detection 1 40 Paper Thickness Detection 1 41 Paper Width Detection 1 41 Non volatile User defined Characters 1 41 Paper Memory Function 1 41 Saving paper format and thickness information...

Страница 10: ...rt Forms 1 10 Dotted Paste Positions 1 12 Stapled Area A 1 12 Stapled Area B 1 13 Stapled Area C 1 13 Sprocket Holes 1 14 Printable Area for Labels A 1 14 Printable Area for Labels B 1 15 Label and Carrier 1 16 Printable Area for Overlapping Multi part Forms with Labels 1 17 Multi part Form Binding 1 18 Handshake Timing 1 21 36 pin 57 30360 Connector 1 21 DTR Control Handshake Timing 1 25 X ON X O...

Страница 11: ... the Parallel Interface 1 22 DC1 DC3 Control 1 24 DTR and X ON X OFF Control 1 25 Pin Assignments for the Serial Interface 1 27 DIP Switch Set 1 1 34 DIP Switch Set 2 1 35 DIP Switch Set 3 1 36 Character Set Selection 1 37 Interface Settings 1 37 Baud Rate 1 37 Jumper Settings 1 38 Selecting a Paper Memory Area 1 43 Setting the Page Length 1 43 Selecting Overlapping Multi part Forms 1 44 Selecting...

Страница 12: ... Bidirectional two way push tractor Advanced paper handling Automatic tractor select function Automatic paper back out and loading Automatic paper thickness measurement Automatic platen print head gap adjustment Automatic paper width detection Paper memory function Copy mode for printing clear multi part forms Optional paper cutter 8 bit parallel interface and RS 232C serial interface Epson ESC P ...

Страница 13: ...lable for the DFX 8000 Group Options Expendables l u re l l DFX tUW Table l l Options wtd ExpertdaMes Code Number I Name 8309 Pull tractor c815001 Paper cutter 8xXx Optional interface board series c823021 32KB serial buffer c823032 32KB parallel buffer 8766 8767 Ribbon cartridge Ribbon pack 1 2 DFX 8000 ...

Страница 14: ...8mm I Figure l 2 Print Head Pin Configuration Dot matrix 9 X 9 draft mode 9 X 7 high speed draft mode 18 X 20 near letter quality NLQ mode Printing direction Text mode Bidirectional with logic seeking unidirectional printing can be selected with a printer command Bit image mode Unidirectional Built in character sets ASCII characters International characters for 13 countries Graphics Built in fonts...

Страница 15: ...ine feed gl Lieed 26 ms 6 incheakecond continuous 17 ms 10 inches second Character size and pitch See the table below Table 1 2 Character Size ad Pitch Printing Mode Pica Emphasized pica Condensed pica Elite Condensed elite Notes Width Height mm mm 2 1 3 1 2 1 3 1 1 05 3 1 1 7 3 1 0 85 3 1 Total Character Pitch Width mm cpi 2 54 10 2 54 10 1 48 17 2 11 12 1 27 20 l The total character width is the...

Страница 16: ...ble 14 Printing Speed Printing Mode High speed draft pica Draft pica Draft elite Condensed drafl pica Emphasized draft pica NLQ pica NLQ elite Printing Speed cps 1066 800 960 660 400 160 192 Input data buffer size 3KB Paper Specifications Feeding method Tractor feed Type Continuous fan fold paper Single part forms Multi part forms Forms with labels Overlapping multi part forms High quality paper 4...

Страница 17: ...ontal alignment may be irregular in the top 3 inches 75 mm of the first page l When using the optional pull tractor do not print on the top 4 8 inches 120 mm of the first page l Use only clean paper with no folds creases or tears The figure below shows paper you should not use Figure 13 Unsuitable Paper 1 6 DFX 8000 ...

Страница 18: ... the form override area A A 0 0 ASCD Ol r WXYZ 10 0 0 0 0 0 0 za 0 0 ID 0 z L 0 I t o AOcD xOF pApER_wyz o I E 2 Figure 14 Form Override Area l Weak horizontal and vertical perforations cause paper jams l The pitch ratio of perforations the ratio of the pitch of the cut part to the pitch of the uncut part must be less than 3 l The figure below shows the perforation pitch cut fl L U n c u t Figure ...

Страница 19: ... figure below shows the perforation at the edge of the paper Rgure 14 Perforation at the Edge of the Paper l At the intersection of horizontal and vertical perforations the perforation cuts must not cross each other as shown below I I l I Figure 1 7 Perforation Intersections 1 8 DFX 8000 ...

Страница 20: ... t i o n s P r i n t a b l e figure 18 Raised Portion at a Perforation l Sprocket holes must be circular and may have teeth The figure below shows some sample sprocket holes OU Figure 19 Sprocket Holes l Remove any pieces of paper remaining in the sprocket holes l Paper should be fan folded at the horizontal perforations Never use improperly folded paper such as the paper shown below NG Figuse l 1...

Страница 21: ...he figure below 52 1 24 13 31m n J 0 0 r ABco WXYZ 0 1I0 0 0 0 0 0 I I 0 0 0 0 I WXYZ 0 wxyz 1 01 A 10 V Figure l 11 Printable Area for Single part Forms Multi part forms Printable area Same as the printable area for single part forms shown in Figure 1 11 Number of copies Front tractor Six sheets maximum one original plus five copies Rear tractor Four sheets maximum one original plus three copies ...

Страница 22: ...lti part forms should be less than the maximum allowable paper thickness Use only carbonless duplicating paper for copying Form sheets should be securely joined together along the left and right edges with dotted paste spot gluing or paper staples mechanical staking in at least two places Forms joined with dotted paste are recommended for better printing quality For multi part forms joined with do...

Страница 23: ...e pasted areas must be pressed flat There must be no creases in the paper l Paper stapling must be punched from the front and the paper must be flat The figure below shows a cross section of the stapled area P r i n t a b l e s u r f a c e o L e s s t h o n p a p e r t h i c k n e s s Figure 1 13 Stapled Area A 1 12 DFX 8000 ...

Страница 24: ... the stapled area Paper feeding direction OK NG Figure 1 14 Stapled Area B a The binding area must be flat The figure below shows a cross section of the stapled area Figure 1 15 Stapled Area C l Never use forms joined with metal staples l Dots of paste and paper staples must be outside the printable area DFX 8000 1 13 ...

Страница 25: ...e sprocket holes 0 m Figure 1 16 Sprocket Holes Labels Printable area See Figures 1 17 and 1 18 I oi ll II 01 I I I 1 IO oli ll l 01 I I I 1 IO 0 I I I II 0 I OIL AL J o ii ii 01 110 01 110 0 0 I I I I IO IO 01 01 I I I I IO IO LJLA li JL I H A Inside of each label Figure l l 7 PrintaIde Area for Labels A 1 14 DFX 8000 ...

Страница 26: ... must never be fed backward through the printer because they can easily come off the backing and cause a paper jam Notes l Load labels only onto the front tractor l When using labels feed the paper with labels forward only using the forward feeding top MICRO FEED button Never feed labels backward or a paper jam may result The labels may come off the backing and stick to the printer l When using la...

Страница 27: ...d in the same location on each page The figure below shows a label and carrier 4 15 10 16 38 lcm o Label 1 I o 1 Label q J l ___ _ _ 0 I 0 0 cwrier g cp fn L 6 s 5 i Figure l 19 Label and Ccurier 0 Use only labels with rounded corners l The label surface must be flat 1 16 DFX 8000 ...

Страница 28: ...ntable Area for 0verlapping Multi part Forms with Labels CAUTION 1 I When labels are loaded in the printer do not feed the paper with labels backward and do not use the paper select function Labels must never be fed backward through the printer because they can easily come off the backing and cause a paper jam DFX 8000 1 17 ...

Страница 29: ... part form binding Flguxel 21 Multi partFormBind ing Ribbon Specifications Ribbon cartridge Ribbon pack Ribbon pack exchanges Color Dimensions Cartridge Ribbon Life 8766 8767 The ribbon pack contains an exchangeable endless ribbon Four times per cartridge maximum Black 20 2 W X 92 H X 5 6 D inches 506 W X 23 H X 140 D mm 52 X 2 8 inches 13 X 70 mm endless Approximately 15 million characters 14 dot...

Страница 30: ...e Operating Storage 41 to 95OF 5O to 35OC 22O to 140 F 30 to 60 C Humidity Operating Storage 10 to 80 RH without condensation 5 to 85 RH without condensation Impact proof Operating Storage 1 G for 1 msec or less 2 G for 1 msec or less Vibration proof Operating Storage 25 G 55 Hi maximum 5 G 55 Hz maximum Physical Specifications Dimensions 28 W X 14 8 HI X 15 3 D inches 700 W X 369 HI X 382 D mm Se...

Страница 31: ... CSA 22 2 5154 BSI TW VDE0806 IEC950 R F I FCC class B VDE 0871 Interface Specifications The DFX 8000 provides a standard 8 bit parallel interface and an RS 232C compatible serial interface Parallel interface Type Standard 8 bit parallel interface Data format 8 bit parallel Logic level Synchronization TI L compatible By STROBE pulse Handshaking By both ACKNLG and BUSY or by either of them 1 20 DFX...

Страница 32: ... 21 4 DATA3 22 5 DATA4 23 6 DATA5 7 DATA6 6 D A T A 7 9 DATA8 10 ACKNLG 11 BUSY 12 PE 13 sv 14 IS 16 17 18 t 26 27 GND Pasr GND Pair GND Pair GND Pair GND Pair G N D Pair GND Pair GND Pair GND Pair GND Pair GND Pair GND Pair fNlT ERROR GND NC SV SLCTIN 28 30 31 witn1 1 r tn2 rxn3 r tn4 tnS r tn6 wim7 1 r tn r tn9 w tn10 wtnll rim 12 3 2 3 3 l3gure l 23 S pin 57GIO360 Connector DFX 8000 1 21 ...

Страница 33: ...a has been received and that the printer is ready to accept more data 11 29 BUSY 0 A HIGH signal indicates that the printer cannot receive data The signal becomes HIGH in the following cases l During data entry l During printing l When off line l During a printer error state 12 30 PE 0 A HIGH signal indicates that the printer is out of paper 13 14 SLCT AUTO FEED XT Pulled up to 5 V through 3 3 K o...

Страница 34: ...r l Return denotes the twisted pair return and is to be connected at signal ground level For interface wiring be sure to use a twisted pair cable for each signal and always complete the connection on the return side To prevent noise cables should be shielded and connected to the chassis of the host computer and the printer respectively l All interface conditions are based on the lTL level Both the...

Страница 35: ...y bit Stop bit Bit rate Logic level z g 1 aogical 0 Synchronization Handshaking DC3 RS 232C compatible serial interface RS 232C compatible serial 1 7 or 8 set with a DIP switch Odd even or none set with a DIP switch 1 bit or more 300 1200 9600 19200 bps set with a DIP switch 3 to 27 V 3to27V Asynchronous By DTR REV signal or X ON X OFF protocol 1 24 DFX 8000 ...

Страница 36: ... OFF code DC3 13H is sent to the host computer to set the DTR signal to the MARK level X ON When the availabfe space in the input data buffer increases to 784 bytes the printer is restored from the error state goes on line Data reception is enabled An X ON code DCl l 1 H is sent to the host computer to set the DTR signal to the SPACE level Handshake timing See the figures below I v1 w v 4e DTR VI ...

Страница 37: ...ta Bit Ngwe l 2 5 X ONK OFF Control Handshake T nahg Connector EIA standard 25pin connector See the figure below 1 FG 2 TXD 3 RXD N C I L 7 GND 11 DTR N G n 0 NC 20 REV Ngure l 26 ETA Standard 25 Fin Connector 1 26 DFX 8000 ...

Страница 38: ...19 20 REV Out 21 25 Function Frame ground Transmit data X ON X OFF code transmission Receive data inputs data from the host computer Not used Signal ground Not used Data terminal ready internally connected to pin 20 in parallel mode Not used Reverse Has the same function as DTR internally connected to pin 20 in parallel mode Not used DFX 8000 1 27 ...

Страница 39: ...is section describes the functions of the control panel buttons ON LINE Sets the printer on or off line FORM FEED COPY This button has one of three functions depending on whether paper is loaded and whether the printer is on line When you are loading paper and the printer is off line The FORM FEED COPY button serves as an AUTO LOAD button If you load paper onto a tractor and then press FORM FEED C...

Страница 40: ... top of form setting function When the printer is on line When you press FORM FEED COPY the printer mode is toggled between copy and normal mode In copy mode the printer produces clearer darker printing on the last pages of multi part forms See the section on copy mode later in this chapter for more information LINE FEED LOAD This button works only when the printer is off line It has one of two fu...

Страница 41: ...printer feeds the paper continuously in 1 216 inch increments The top MICRO FEED button feeds paper forward and the bottom MICRO FEED button feeds paper backward CAUTION I Never press the reverse feeding bottom MICRO FEED button when you are using labels If labels are fed backward through the printer a paper jam may result TOP OF FORM This button works only when paper is loaded and the printer is ...

Страница 42: ...not press the FRONT REAR button when labels are loaded in the printer or a paper jam may result l Always tear off the printed document and any excess paper that has been fed through the printer before you press the FRONT REAR button to switch tractors Never feed more than one page backward through the printer Control panel indicators This section describes the functions of the control panel indica...

Страница 43: ...rns off when you select the rear tractor When you select the rear tractor the rear tractor indicator turns green if paper is loaded on the rear tractor or red if there is no paper on the rear tractor The rear tractor indicator turns off when you select the front tractor Self Test Function The DFX 8000 provides a self test self printing function that checks the following 0 The control circuit l The...

Страница 44: ...tons The printer prints HEX DUMP MODE on the first line of the hexadecimal dump list If less than 16 bytes remain you can press the ON LINE button to print them To exit hexadecimal dump mode turn off the printer The figure below shows a sample hexadecimal dump list Data Dump Mode 0000 1B 40 18 52 00 1B 74 01 16 36 12 1B 50 20 20 20 R t 6 P 0001 20 20 54 66 69 73 20 69 73 20 61 6E 20 65 76 61 This ...

Страница 45: ...f Condensed Normal l 2 Slashed zero on off Slashed Not slashed 1 3 ESC P mode character table Graphics Italics IBM mode automatic Invalid Valid carriage return with LF ESC J See note 2 14 I 5 1 6 1 7 l 6 Protocol mode See note 3 NLQ or draft mode ESC P mode international character set IBM mode default character table IBM mode ESC P mode NLQ Draft ESC P mode see the international character set tabl...

Страница 46: ...3 Draft printing speed Data length for serial interface Normal High off 7 biis 8 bits off 2 4 Automatic line feed by CR Always enabled External off signal control 2 5 2 6 2 7 2 8 Interface settings See the tables below oft off off off Interface parity Selection Interface Parity SW 2 5 SW 2 6 Parallel off ofl Serial odd off On Serial even On off Serial none On On Baud Rate Selection I Baud Rate I S...

Страница 47: ...fined area at power on 4 When you use the user defined character set as the default character set by turning on DIP switch 2 1 the ESC define character and ESC copy character graphics commands are not valid 5 DIP switches 3 4 3 5 and 3 6 are used for the paper memory function See the section on the paper memory function later in this chapter for more information 6 The skip over binding function is...

Страница 48: ...as when you use the ESC 7 command When character table 2 is selected hex codes 80H 9FH are printable characters function the same way as when you use the ESC 6 command Table l 14 Interface Settings Switch 2 5 ofi ofi On On Switch 2 6 Off On Off On interface Setting Parallel interface Serial interface odd parity Serial interface even parity Serial interface no parity Table 1 15 Baad Rate Switch 2 7...

Страница 49: ... command CR The printer also prints data when the buffer becomes full Buzzer The control panel buzzer sounds under the conditions described below X Once when the BEL command is input X 5 times Twenty times for a paper end X 1 times Four times for an open cover X 6 times Eighteen times for a carriage error X 5 times Five times for an abnormal voltage X 6 times X 8 times x 10 times When the RAM chec...

Страница 50: ...f line and data cannot be input Parallel interface BUSY signal HIGH ERROR signal LOW Serial interface DTR REV signal X DC code MARK X OFF DC3 13H The printer can detect the errors listed below The buzzer is used to indicate the error state See the preceding section for more information on the buzzer Carriage error The printer does not detect the carriage home signal while initializing the printer ...

Страница 51: ...r off line and disable data reception Parallel interface BUSY signal HIGH PE signal HIGH ERROR signal LOW Serial interface gi2 Ew X code DC code MARK X OFF DC3 13H When the printer detects a paper end you need to load paper or select the other tractor and then set the printer on line Cover Open Detection The printer always monitors the state of the top cover When the open cover sensor detects that...

Страница 52: ...in areas where there is no paper Non volatile User defined Characters You can define and store up to 242 characters in memory that is backed up by a battery After they are defined they remain in memory even after power off When you turn on DIP switch 2 1 the user defined character set becomes the default character set Note Non volatile user defined characters are valid only in ESC P mode If the pr...

Страница 53: ... forms Figure 1 31 Overlapping Multi part Forms Use the paper memory function to save information about forms with labels and overlapping multi part forms before printing these forms The DFX 8000 can save paper format and thickness information for up to two multi part forms in its paper memory areas When you retrieve the information for a particular form the printer automatically adjusts the gap b...

Страница 54: ...for multi part forms that overlap slightly where they are joined together follow these steps 1 Turn off the printer 2 Use DIP switch 3 4 to select the paper memory area where you want the printer to store the paper format and thickness information Paper memory area 1 is selected when DIP switch 3 4 is off This is the default setting To select paper memory area 2 turn on the switch Table 1 17 Selec...

Страница 55: ...h 3 4 is off This is the default setting To select paper memory area 2 turn on the switch See Table 1 17 4 Use DIP switch 3 2 or software commands to set the page length The page length is 11 inches when DIP switch 3 2 is off and 12 inches when the switch is on See Table l 18 5 Turn off DIP switch 3 5 and turn on DIP switch 3 6 This tells the printer you want to save information for multi part for...

Страница 56: ...ontal Line 9 Move the print head by hand to align the vertical red line on the ribbon mask with the left edge of the label Now the intersection of the red lines on the ribbon mask should be in the upper left corner of the label WARNING If you have printed recently the print head may be hot Wait until the print head cools before you touch it Figs e 123 Aligning the Vertical Line with the Label s Le...

Страница 57: ...e right edge of the label Now the intersection of the red lines on the ribbon mask should be in the lower right corner of the label Figure 135 Aligning the Vertical Line with the Label s Right Edge 13 Press the TOP OF FORM button This tells the printer the label s location on the form 14 Close the top cover The printer checks the paper s thickness at various points and saves this information When ...

Страница 58: ...er memory area where you want the printer to store the paper format and thickness information Paper memory area 1 is selected when DIP switch 3 4 is off This is the default setting To select paper memory area 2 turn on the switch See Table l 17 Use DIP switch 3 2 or software commands to set the page length The page length is 11 inches when DIP switch 3 2 is off and 12 inches when the switch is on ...

Страница 59: ...lar continuous paper tier using multi part forms that vary in thickness hold down the FRONT REAR button and turn on the printer CAUTION I I While the paper memory feature is selected and your multi part form s format and thickness information is loaded do not use other types of paper Paper Cutter An optional paper cutter is available for the DFX 8000 You operate the paper cutter using the TEAR OFF...

Страница 60: ...rinter Initialization The DFX 8000 can be initialized using a hardware or a software initialization Hardware initialization The printer performs a hardware initialization when power is applied and the interface signal INIT is input LOW A hardware initialization Initializes the printer mechanism performs a carriage home position seek Sets the printer on line Clears the input data buffer Clears the ...

Страница 61: ...following major units Model 3C65 printer mechanism BOPS power supply board AC 120 V version C030MAIN main board CO3ODRV driver board Control panel Housing Printer Mechanism The DFX 8000 s model 3C65 printer mechanism is a serial dot matrix printer mechanism It has a total of 18 pins arranged in two rows with nine pins each The printer mechanism s design emphasizes high speed printing and endurance...

Страница 62: ...oles I PM type stepping motor I 36 5 VDC Ribbon feed motor RF motor Loading solenoid Carriage encoder Carriage home position sensor CHP sensor Paper thickness sensor PT sensor Paper end sensor Front Rear Paper end sensor Paper bail top position Paper width sensor PW sensor Tractor select sensor switch T switch Pull tractor sensor switch PT switch Four phases 46 poles I PM type stepping motor I 36 ...

Страница 63: ... is designed for the AC 120 V DFX 8000 The table below lists the major components of the power supply board Table l 23 BOPS Power Supply Board Components Location Component Name Description ICl Ic4 IC5 IC2 Kx Q3 Gxl Ql Q2 TL594 NJM2903D NJM2904D TL5431 2SK1167 GM 2SC3456 Q5 2sc2655 PWM switching regulator controller Error amplifier Error amplifier High precision shunt regulator FET 450V 15A 1OOW F...

Страница 64: ...General Description The figure below shows the power supply board l gure 137 BOPS Power Supply Board DFX 8000 1 53 ...

Страница 65: ...tlon Component Name 5E uPD78322L Description CPU 8 bii data bus I built in mask ROM I A D converter 4 c HM6264 1D SN75188N SRAM 64KB RS 2S2C line driver I TTL I 1E I SN75189N I RS 232C line driver I TTL CR1 CR2 CSA2 00MK CST14 74MXWOOl Ceramic oscillator I 2 MHz Ceramic oscillator I 14 74 MHz BAT1 2E CR17335SE FTl E05A16GA Lithium battery Gate array mechanism control I control panel 6A E05A38NA Ga...

Страница 66: ...General Description The figure below shows the main board Figure 1 38 C WIfAlNBoC DFX 8000 1 55 ...

Страница 67: ...m are connected to the main board via the COSODRV board The table below lists the major components of the driver board Table l 25 CiBODRVDriver Board Components Transistor array 35 V 200 A 960 mW Transistor 60 V 1 5 A 10 W I PG and 2SC3746 Transistor I 60 V 5 A 20 W I external fan motor driver Q3 Q5 Q19 2SD1395 Transistor 50 V 5 A 40 W head cooling fan motor and plunger driver QlO 13 2SD1843 T Tra...

Страница 68: ...n The figure below shows the driver board Figure 1439 CO3ODRVDrir m Board Control Panel The figure below shows the operator control panel and its buttons LED indicators and buzzers Figure l 40 Control Panel DFX 8000 1 57 ...

Страница 69: ...cuits These components are covered by the upper case the bottom plate and the side covers Each of these covers has various additional covers The housing has large openings in the front and the rear for paper entrance and exit It also has a cover on the bottom plate that allows you to easily replace the PROM on the main board The figure below shows the housing Rigaxe 141 Housing 1 58 DFX 8000 ...

Страница 70: ...rol Circuit 2 24 Main CPU pPD70322 5E 2 25 Gate Array E05A38NA 6A 2 26 Gate Array E05A16GA 2E 2 26 Interface Circuit 2 27 Parallel interface 2 28 Serial interface 2 28 Reset Circuit 2 29 Memory Backup Circuit 2 30 A D Converter Detection Circuit 2 33 Interrupt Port Detection Circuit 2 35 Detection Circuits Connected to the General Purpose Ports 2 37 Ribbon Feed Motor External Fan Control Drive Cir...

Страница 71: ...nger Mechanism 2 16 Tractor Select Mechanism 2 17 Paper Width Detection Mechanism 2 18 Power Supply Section Block Diagram 2 21 Control Circuit Block Diagram 2 24 Interface Circuit Block Diagram 2 27 Reset Circuit Block Diagram 2 29 Memory Backup Circuit Block Diagram 2 30 A D Converter Detection Circuit 2 33 CPU Interrupt Port Detection Signal Assignment 2 35 General Purpose Ports Assigned to Dete...

Страница 72: ...2 13 Pull Tractor Sensor Specifications 2 13 Paper End Sensor Specifications 2 14 Plunger Specifications 2 16 Tractor Select Sensor Specifications 2 18 Paper Width Detector Specifications 2 19 Power Specifications 2 19 DC Voltages 2 20 Power On Reset Status 2 30 Operation of Each Element in the Memory Backup Circuit 2 32 Battery Specifications 2 32 A D Converter Port Functions 2 34 Interrupt Port ...

Страница 73: ... and is pulled back right in Figure 2 1 by a magnetic force M when the power is off and when the printer is in the standby state Thus the actuating spring plate is bent backward by the magnetic force M 2 When the magnetic coil is energized a countermagnetic force C is induced in the core the total magnetic force on the actuating spring plate becomes zero and the actuating plate returns to its orig...

Страница 74: ...It turns on when a temperature sensor in the print head coil detects a certain print head temperature The fan also monitors its own motor temperature To prevent damage due to overheating the fan cuts current to its motor if its temperature rises abnormally The following tables provide the print head and print head fan specifications Table 2 1 Print Head Specifications Printing method Spring charge...

Страница 75: ...or Figure 2 2 shows the carriage mechanism The carriage is supported by two carriage guide shafts The rotation of the carriage motor is transmitted to the carriage timing belt through the carriage belt pulleys on the right and left sides The carriage on which the print head is mounted is attached to the timing belt and moves horizontally Because the motor tensions the timing belt the tension can b...

Страница 76: ...Principles of Operation Print head Encoder plate I j Carriage guide shaft Sensor plate I Carriage guide shaft Carriage motor Figure2 2 Carriage Mechanism 2 4 DFX 8000 ...

Страница 77: ...nal fan The external fan is located on the left side of the carriage mechanism It always operates during printing If the print head s temperature rises abnormally the printer enters the printing halt or standby state also called hot head mode The print head returns to the home position and the external fan cools it The following tables provide the carriage motor encoder and external fan specificat...

Страница 78: ... 5700 rpm I Because the carriage moves at high speeds in the printer mechanism the carriage could hurt a hand or finger if someone reached into the mechanism during printing To prevent accidents the interlock mechanism cuts the drive voltage to the carriage motor and stops the motor when you open the top cover The figure below shows the interlock mechanism Interlock switch Figure 23 Interlock Mech...

Страница 79: ... automatic platen gap adjustment function that ensures an optimum gap between the platen and the print head by measuring the thickness of the paper Figure 2 4 shows the platen gap adjustment mechanism Carriage guide shaft Platen gap transfer gear Platen gap motor head Figure 24 Platen Gap Acljustment Mechanism The carriage guide shaft that supports the front of the carriage has an elliptical secti...

Страница 80: ... 18 ohms phase at 77OF 25OC Drive frequency Excitation system 285 pps 2 2 phase excitation Table 2 7 Platen Gap Sensor S cifkations I Detector I Photo interrupter I Twochannel rectangular pulse ITL level I Supply voltage Phase difference 5 VDC 5 Approximately 45O Ribbon Feed Mechanism The ink ribbon is an endless loop The ribbon feed mechanism takes up the ribbon and is driven by the ribbon motor ...

Страница 81: ...tion of the motor is transmitted to either mechanism when the gears are engaged When the ribbon motor rotates counterclockwise the rotation of the motor is transmitted to the ribbon feed mechanism When it rotates clockwise the rotation of the motor is transmitted to the tractor select mechanism The table below provides the ribbon motor specifications Table 28 Ribbon Motor Specifications Type Four ...

Страница 82: ...echanism a pull tractor sensor a plunger mechanism and a paper selection mechanism Figures 2 6 2 7 and 2 8 show the paper feed mechanism I Paw bail Pull tractor sensor k Tension roller A 28 Upper paper end sensor Tractor select Paper feed transmission T L Paper feed motor IQure 24 Tension Roller and Platen Roller gear 2 10 DFX 6000 ...

Страница 83: ...Principles of Operation Tension roller Paper bail Tractor select gear Paper feed motor Front tractor gear Front paper end sensor Front tractor Hgure 2 7 Rant Tractor DFX 8000 2 11 ...

Страница 84: ... the paper feed transmission gear is transmitted through the paper feed select gear The paper feed select gear is designed to always engage one of the tractor trams The tractor select mechanism selects which tractor train is engaged by the tractor select gear The paper end sensors detect whether paper is loaded There are three paper end sensors one at the front tractor one at the rear tractor and ...

Страница 85: ...ter disables the tear off function to prevent paper jams The following tables provide the paper feed motor pull tractor sensor and paper end sensor specifications Table 29 Paper Feed Motor Specifications Type Supply voltage Winding resistance Drive frequency Medium speed mode High speed mode Excitation system Four phase 200 pole HB type stepping motor 36 5 f 1 VDC 2 85 0 3 ohms 2610 pps 4274 pps l...

Страница 86: ...ors I Detector Photo interrupter OutPut type Open collector Supply voltage 5 VDC 5 Signal mode With paper Without paper HIGH LOW Sensor at the paper ball Detector I Supply voltage I Signal mode With paper Without paper Photo reflector Open collector 5 VDC 5 HIGH LOW 2 14 DFX 8000 ...

Страница 87: ... you print on multi part forms Because continuous paper is fed at high speeds paper fragments and finges could get caught between the ribbon mask and platen and cause a paper jam The grooves allow a little extra thickness at the edges of the paper The following figure shows the platen grooves I I Paper I I I I Paper chip Fringes 1 I I I i I Groove Print head Ribbon mask Paper J we 24 Platen Groove...

Страница 88: ...nger Mechanism The paper bail is attached to the end of the plunger iron core The ends of the paper bail axis are connected to the left and right frames When the plunger coil is energized the coil magnetism attracts the iron core and the paper bail opens When the coil is de energized the paper bail returns to its original position due to the paper bail spring The table below provides the plunger s...

Страница 89: ...ve of the cam due to the spring force Tractor Tractor Select Select SWlSOr Lever To Rear Tractor Tractor Select GWJ _ To Front Tractor Tractor Select Transmission Figure 2 11 Tractor Select Mechanism When the cam rotates the tractor select lever moves along the curve and sets the tractor select gear to the left or the right When the tractor select lever is set to the left the tractor select gear e...

Страница 90: ...bbon motor rotates counterclockwise the rotation of the motor is transmitted to the ribbon feed mechanism When it rotates clockwise the rotation of the motor is transmitted to the tractor select mechanism The table below provides the tractor select sensor specifications Table 2 13 Tractor Select Sensor S cifications Type Supply voltage Switch modes FrOllt Rear Micro switch 5 VDC 5 opef J of9 Close...

Страница 91: ...l level difference between the portions with and without paper The position at which a signal level difference is detected is the right edge of the paper which is then used to define the printing area The table below provides the paper width detector specifications Table 2 14 Paper Width Detector Specifications Type Photo reflector Supply voltage OutPut type Output mode paper detection 5 VDC 5 Emi...

Страница 92: ...rinter mechanism voltage l Plunger holding l Platen gap motor holding l Carriage motor encoder power l Sensor Main board control circuit voitage Reset voltage o x Control panel circuit voltage Cover open sensor power 12v 12 v Main board voltage serial interface level conversion Optional interface voltage supply The printer has the following functions to help control abnormal operation l Monitors t...

Страница 93: ...mitter Secondly Voltage Limiter vp2 7 I 35 12A Smoothing c Control 40 8V vp3 1 I DTl R32 C24K25 R34 VRl R35 R36 Far 1 I I I I I T l I 1 I I 7 I I 1 I I L I T2 T3 SO Signal Generator Primary I c Voltage I Monitor i a3 L c I J IC2B R37 I SO signal To Main B d Main I 7 Secondly Switching Rectifire Secondly Current Constant Limitter Voltage Final 5V Line I 5v Smoothing 3 24A Control Smoothing t5VDC Cl...

Страница 94: ...eedback paths can be used for the DTC One is the feedback corn the limiter for each output current from VP1 to VP3 which activates the DTC if an over current is output om the driver circuit The current limiter R32 mentioned above is used to recover this limiter The second is the feedback from the current limiter The third is the feedback from the power down PD signal on the main board If an error ...

Страница 95: ...his chapter SO signal The voltage status on the primary side is also monitored by the primary voltage monitor This monitor generates the switch off SO signal which tells whether the printer power is on or off If the output voltage at the stage just after rectifying and smoothing on the primary side drops to 170 V or less shunt regulator Q3 detects it and causes the SO signal generator to generate ...

Страница 96: ...it with the main board at the center COVER OPEN CUTTER PT SENSOR ___ ________ _ I I Irk POWER SUPPLY BOARD I SOPS I I I 1 TO HOST COMPUTER I I II SENSORS 1 I PW CHP TPE I I FPE RPE FTMP 1 I I I I SENSORS 1 I PARALLEL 1 I DRIVER BOARD UNIT L l IGgure 2 14 Control Circuit Block Diugram 2 24 DFX 8000 ...

Страница 97: ...of the primary integrated circuits are as described in the following sections Main CPU pPD70322 5E The pPD70322 is the main CPU in the control circuit It receives parallel data via gate array E05A38NA 6A or it directly receives serial data from the host computer It stores the data in an input buffer in the SRAM 3B When the CPU receives the CR code or the input buffer becomes full the printing star...

Страница 98: ...eparately controls the printing operation driving and stopping the motor using an external oscillator circuit exclusive for this gate array unless the printing mode is not changed The status of the internal registers and ports are initialized upon receiving the reset signal Gate Array E05A16GA 2E The E05A16GA is a one chip gate array containing the following functions Super subscript generator Con...

Страница 99: ...three bits A0 to AZ of the address bus The internal registers and ports are initialized upon receiving the reset signal Interface Circuit Figure 2 15 shows a block diagram of the interface circuit r I I I I STRB ACK BUSY 8 I SIGNAL I I I D I I I I I I I 1 PARALLEL DATA I I I i CN 1 I 4 CN2 I I I I I 0 I I I I I I I L J PARALLEL I F E05A38NA 7 DATA BUS A E05A 16GA I CPU REV RXD TXD SERIAL I F l u r...

Страница 100: ...ace ASCI The data is transferred from the CPU to the input buffer The transmit data TXD TRANSMIT DATA is output directly from the ASCI in the CPU In the case of the DCl DC3 protocol the DC3 code is output when the buffer becomes full The DC1 code is output when the buffer is ready for more data The REV signal which is the same as DTR DATA TERMINAL READY is output on the same line as the parallel i...

Страница 101: ...tage becomes unstable due to the printer power being turned on or off The reset signal is input to the E05A16GA gate array via the CPU amplified and then supplied to the E05A38NA gate array and optional interface to reset each IC FL1 CPU 5v DC EMI FILTER m RESET I I I I E05A16GA E05A38NA L RESET OUT OPTION I F I RESET SIGNAL CN2 Figure 2 16 Reset Circuit Block Diagram DFX 8000 2 29 ...

Страница 102: ...l 7 Power On Reset Status 12 VDC Line Level Q2 Status 4VDC off 4VDC On vx output GND 0 V 5v RESET signal LOW HIGH Memory Backup Circuit Figure 2 17 shows a block diagram of the reset circuit BACK UP VOLTAGE SUPPLY CIRCUIT SRAM 5C I I 03 04 2 33 IVDD 1 POWER SUPPLY SO SIGNAL P I Ql ZDl Q8 INIT l IL CPU 1 VMI Figure 2 17 Memory Backup Circuit Block Diagram 2 30 DFX BOOO ...

Страница 103: ...n the printer power is turned off the SO signal control circuit shown in Figure 2 17 sets the NMI port LOW and generates the chip enable signal to the SRAM 5C upon receiving the SO SWITCH OFF signal from the power supply board The memory backup circuit also sets the NMI port to LOW when the initialize signal INIT is input from the standard parallel interface CNl or the optional interface CN2 The b...

Страница 104: ...ckup Table Z 19 Buttery Specifications Nominal voltage 3V I Operating temperature I 20 to 7O C I Safety standard Discharging duration UL approved 1700 to 3000 hours or more see Note Note The specifications above are for continuous discharging duration measured under the following conditions which are the reference data for the life of the battery The life varies depending on the operating environm...

Страница 105: ...nge making the best use of the A D converter r I I PRINTER MECHANISM I I SENSOR I I 1 PLG CR PF PG RF H FAN DRIVE VOLTAGE I I AVREF D AN0 I I HEAD TEMP I I 8 ANl I 1 I I HEAD FAN TEMP I I 1 71 I D AN2 1 1 I 1 CARRIAGE MOT 1 I I D AN3 I I I I PAPER WIDTH I I I D AN4 I I I L _ l L J z AN5 DRIVER BOARD i I I VP3 i CPU PBC 7 E05A 16GA I I I r I I I I I I I I CONTROL PANEL j c I 1 LAMP I I L l Rgure 2 ...

Страница 106: ...ture drops Detects the paper width AN5 AN6 AN7 DIP SW 3 DIP SW 2 DIP SW 1 Reads the DIP switch settings Reads the DIP switch settings when the printer is reset The settings of DIP switches 1 2 and 3 are read by switching the time sharing circuit The CPU writes the data to the PB ports of the E05A16GA gate array so that only the port connected to the DIP switch that the CPU wants to read goes LOW T...

Страница 107: ...or the CPU The CPU includes an interrupt controller and executes forced interrupt operation in accordance with the priority of the interrupt POWER SUPPLY BOARD _ _ ______ ____ CPU 1 ON LINE SW I 1 E05A3BNA CASE OPEN SENSOR ___________ I I COVER SW b I J INT5 I J JQu re 2 19 CPU Interrupt Port Detection Signal Assignment DFX MQO 2 35 ...

Страница 108: ...es between on line and off line INTl ENCAB INT2 CL Detects the carriage motor encoder output bypass signal E05A38NA Detects power supply overload Starts interrupt operation for carriage motor position speed control Reduce the printing speed see Note INT5 COVER SW Detects the cover open sensor Sets the printer off line when status top cover open is detected Note CL is detected for each line If an o...

Страница 109: ...pose ports of the E05A16GA are transferred to the CPU Some of the signals from the mechanisms are input to the main board via the driver board CUT HP CUTTER P TRCT TRCT SEL GAP A GAP B I r 1 CONTROL PANEL 1 PAl 7 L l I I I y IN6 1 I IN5 1 r I 0 I I I I 1 I 1 I I I 3 I I I I PA0 I I I I I IN4 I I I I 1 1 IN3 I I I I I I I 1 I E05A16G I I I I I DATA DDRESS R PR I I 1 I I I I L l I DRIVER BOARD I 1 P...

Страница 110: ...nal Controls the PG mechanism controls the PG measure and PG setup operations by detecting the amount of the PG motor rotation IN3 GAP B Detects the platen gap sensor signal Controls the PG mechanism controls the PG measure and PG setup operations by detecting the amount of the PG motor rotation CPU PO7 HNERR PO6 HPERR Detects a defective driver board Indicates a head drive error head driver IC NP...

Страница 111: ...ibbon Feed Motor External Fan Control Drive Circuit Figure 2 21 shows a block diagram of the ribbon feed motor control drive circuit The ribbon feed motor is a PM type pulse motor driven with 2 2 phase excitation This motor can be driven in either the forward or reverse direction and stopped at any position The phase signals output Tom two pins are expanded by the predrive circuit output from four...

Страница 112: ... 1 VDC 0 10 A average 70 mA average 90 mA max 720 PPS Unipolar constant voltage drive 2 2 phase excitation Paper Feed Motor Control Drive Circuit Figure 2 22 shows a block diagram of the paper feed motor control drive circuit The paper feed motor is an HB type pulse motor driven with l 2 phase excitation This motor can be rotated in either the forward or reverse direction and stopped at any positi...

Страница 113: ...e output voltage level of the drive current select circuit The drive current select circuit switches the output voltage level in accordance with the PF H B signal Table 2 24 shows the circuit specifications Table 2 24 Paper Feed Motor ControlXDrive Circuit Specificathms Supply voltage Current consumption per phase 36 5 f 1 VDC voltage applied to the driver circuit 1 75 f 0 20 A driving average 0 2...

Страница 114: ...utput from four pins then transmitted to the driver board The hold run signal PG H R which is the common voltage PGCOM switching signal is output i om the E05A16GA circuit The drive voltage is a constant 36 5 VDC from the VP3 line PO4 5 CPU r I I I 1 1 I I PRE DRIVE I I PGA D PHASE I 0 CIRCUIT 1 1 PG MOTOR j I I I I I DRIVE t I CIRCUIT I I I m 07 m I I I I 1 Q4 13 18 12 17 iPCGOCMO oN I I PC2 GAPP...

Страница 115: ...n of the motor rotation I herefore the distance the PG motor moves can be obtained from the PG sensor signal Table 2 25 PG Motor ControLDrive Circuit Specificatims PG Motor Supply voltage Current consumption per phase 36 5 f 1 VDC voltage applied to the driver circuit 0 2 A driving average 0 02 A 5 mA holding Drive frequency Driving method 285 PPS Unipolar constant voltage drive 2 2 phase excitati...

Страница 116: ...etup sequence the current p0si10n Move the camage 10 196 th column Check the platen gap home posW3 IPGHPI I Hold the motor at the PGHP I I Load ew paper I Count the pulse between paper and PGHP PGII I I I I Rotates the motor 10 the true platen gap peSlhO I Paper I Qpre 2 24 Platen Gap Setup Sequence 2 44 DFX MOO ...

Страница 117: ... the PG motor platen carriage print head and carriage forward and backward and the gear connected to the shaft Because the dimension of each part is different depending on the product the PG value also varies depending on the product Therefore to make the PG value constant among all the products the values that are not constant A and B are adjusted These values are alpha which is used to adjust fo...

Страница 118: ...ENSOR Figure 2 26 Carriage ControldVrive Circuit Block Diagram The carriage motor is a DC servo motor driven using a bipolar driver The motor can operate in any of the following modes Forward rotation RUN mode Driven state The carriage moves from left to right Forward rotation BRAKE mode Non driven state The carriage is slowed down Reverse rotation RUN mode Driven state The carriage moves from rig...

Страница 119: ...ge applied to the driver circuit output Rectangular waveform 2 channels TTL level Flutter 360 4 5 Duty cycle 180 54 Sink current Max 20 mA at low level The phase signals CRA to CRD are inverted by the predrive circuit and Wmsmitted to the driver board The relationship between the modes and phase signals is shown in Table 2 27 Table 2 27 Control Mode Chxit Operation Control Mode CFIA to CRD output ...

Страница 120: ...tion seeking it is regarded as a carriage error The encoder signal is input to the ENC port of the E05A38NA circuit and feeds back the following l Number of pulses counted which is the distance the carriage has moved l Interval between the pulse edges which is the speed of the carriage l Pulse edge of the detected A B phase which is the direction the carriage is m o v i n g When the encoder signal...

Страница 121: ... m l OORESW ATA BUS PO6 PO7 I I I FAN TMP I 1 4 HEAD COOLING HEAD FAN I FAN DRIVER VP3 I I I I I I I I I 7 I lA 2A 3A r ji I I I L B 1 2 1 4 I I III L C 7 P R I N T H E A D r I I DRIVER I I E05A HEAD TEMP PRINTHEAD I q HLl SP HRl SP I I L 0 I I HEAD DRIVER MONITOR I L _ _ _ _ _ _ _ _ a MAIN BOARD DRIVER BOARD Figure ZW Print Head ControlDrive Circuit Block Diugram DFX 8000 2 49 ...

Страница 122: ... to increase the response speed of the head pin by driving the coil T after the PNP transistor is turned off Figure 2 28 Therefore the number of coil drive signals required is 2 x 18 which is 36 L and R in a signal name indicates the coil row left or right and P and N indicate PNP and NPN transistors respectively For example HLlP is the drive signal for the PNP transister for the first wire on the...

Страница 123: ...esult when the printer power is turned on test driving of each head coil can be performed as a part of the printer initialization sequence to check if the circuits are open or shorted If a circuit is open or shorted either the HNERR when the NPN driver side is defective or HPERR when the PNP driver side is defective signal becomes active and the CPU sounds the buzzer to warn the user of an error T...

Страница 124: ... 124 2 A head total peak 18 pin full driving mode 133 2 A head total maximum peak 18 pin full driving mode Response cycle 417 WC or more Drive conditions Drive time can be varied in accordance with the paper thickness Paper thickness Drlve Time PNP Driver Side NPN Driver Side 0 06 mm min 130 to 142 usec 160 to 172 usec 0 46 mm max 150 to 162 usec 180 to 192 usec Temperature compensation Order Temp...

Страница 125: ...oving the Printer Mechanism 3 36 Removing Printer Mechanism Components Without Removing the Printer Mechanism 3 40 Removing the paper width sensor 3 40 Removing the paper guide support plate 3 40 Removing the carriage home position sensor Removing the external fan 3 43 Removing the loading solenoid 3 44 Removing the ribbon feed motor and tractor select sensor 3 45 Removing the upper paper end sens...

Страница 126: ...riage Guide Shaft 3 19 Replacing the ROM 3 20 Removing the Top Cover 3 21 Power Switch Wiring Diagram 3 22 Removing the Side Covers 3 23 Removing the Front Cover 3 24 Removing the Upper Panel 3 25 Removing the Upper Housing 3 25 Removing the Ground Cable Screws 3 26 Disconnecting the Cables 3 27 Removing the Bottom Panel 1 3 29 Removing the Bottom Panel 2 3 30 Removing the Driver Board 3 31 Removi...

Страница 127: ...ll Tractor Sensor 3 55 Removing the Platen 3 56 Removing the Platen Gap Sensor and Platen Gap Adjustment Motor 3 57 Assembling the Platen Gap Sensor 3 58 Wire Holder and Saddles 3 59 Removing the Paper Feed Motor 3 60 Connecting the Gears Left Frame 3 61 Removing the Front Tractor 1 3 62 Removing the Front Tractor 2 3 63 Removing the Rear Tractor 1 3 64 Removing the Rear Tractor 2 3 65 Removing th...

Страница 128: ...e the DFX 8000 be sure to follow these instructions l Because the DFX 8000 weighs 66 lbs 30 kg and is much larger and heavier than previous models you must be careful when you handle it Two or more persons must carry it whenever it needs to be moved They must support the printer from the bottom as shown below Never lift the printer by holding the ont cover because the front cover may come off FigE...

Страница 129: ...ect the power cord and interface cable before you move the printer a You may need to turn or tilt the printer when you disassemble or assemble it To make turning the printer easier place it on a clean thick cloth such as a blanket before starting l Because the DFX 8000 s components are larger and heavier than those of previous models wear gloves to protect your hands when you disassemble or assemb...

Страница 130: ...2 When you pack the DFX 8000 use the following packing materials as shown in Figure 3 3 Transport locking bracket Carriage guide support bar Print head protector Foam packing for paper bail If you do not pack the DFX 8000 properly it may be damaged during transportation Figure 3 2 Packing the DICK XXI DFX 8000 3 3 ...

Страница 131: ...Disassembly and Assembly CAUTION continued Transport locking brackets Print head protector Foam packing for paper bail I Carriage guide support bar Figure 33 Packing Materials DFX 8000 3 4 ...

Страница 132: ... work If necessary also clean the printer as described in Chapter 6 Tools The following tools are required to disassemble or assemble the DFX 8000 Note See Chapter 4 for adjustment tools and Chapter 6 for the required lubricants and adhesive Table 3 1 Tools I Tool Twe C S Part No A I 8743800200 I 0 0 Box driver 32 inches or 8 mm E ring holder no 3 0 A B 0 A B740800500 0 A I B740500100 1 Phillips h...

Страница 133: ... washer Cross bind head B tight screw CPS Cross bind head S tight screw Cross bind head S tight screw with outside toothed washer Cross pan head screw with spring washer CPS 0 k CPS P Cross pan head S tight screw with outside toothed washer Cross pan head S tight screw with plain washer cp 0 I cpm Cross pan head screw with outside toothed washer Cross pan head screw with plain washer Hexagonal nut...

Страница 134: ...ames and lUustr ns Top Head Side Washer assembled Cross recessed head 1 nd 1 Normal 1 _Plain washer 0 0 I om D 2 s tight glotted head with Notch 0 2 Outside toothed i k washer 8 2 ran CD OQ 3 p cl 4 lapping 3 5ipring washer i _ 4 lruss DFX 0000 3 7 ...

Страница 135: ... Make sure you have performed lubrication and adhesion correctly See Chapter 6 Maintenance Visually inspect the inside of the printer Check the wires for proper wiring Make sure no wires are caught Make sure all screws are properly tightened but not tightened too much Check the cables for cuts or bends and make sure they are connected correctly and securely Make sure the AC inlet is properly conne...

Страница 136: ... disassemble the DFX 8000 See the Appendix for the exploded diagram of the printer Use this diagram for simple disassembly procedures not described here To assemble the DFX 8000 follow the disassembly steps in reverse Special assembly notes describe any extra information you need to assemble the component Adjustment required notes describe any adjustments that are required before assembly Always f...

Страница 137: ...assembly and Assembly I START Removing the Removing the z pufftractor Removing the sensor platen Removing the interlock switch Removing the printer mechanism 3 10 DFX 8000 Figure 34 Disassembly Flow Chart ...

Страница 138: ...ng the printer To replace the print head use the exclusive print head kit When you receive the kit make sure it includes the following items Print head unit Print head cable protection sheet Ribbon mask assembly Oil 02 Instruction manual Figure3 5 Exch aive Print Head Kit for the DFX XMl DFX 8000 3 11 ...

Страница 139: ...nt head cable holder be careful not to break the print head cable holder latch Use a slotted screwdriver if necessary l When you replace the print head be sure to follow the instructions in this section or in the manual that comes with the exclusive print head kit If you replace the print head without following the instructions the performance of the print head cannot be guaranteed 1 l urn off the...

Страница 140: ...e connector cover and remove the connector cover 4 Disconnect the three print head cables from the connectors Note When you disconnect a cable hold the cable close to the connector Pull the cable slowly and horizontally to the right as viewed from the front of the printer Also hold the connector to prevent it from being pulled off the board DFX 3000 3 13 ...

Страница 141: ...3 14 ...

Страница 142: ...them with your fingers Remove the print head cable cover by sliding it to the right and remove the print head cable protection sheet Figure 39 Removing the Print Head Cable Cover 6 Unlock the relay board assembly connector latch and disconnect the paper width sensor cable DFX 8000 3 15 ...

Страница 143: ...out the 90th column Then remove the two screws securing the print head and remove the print head Figure 3 10 Removing the Print Head 8 Remove the screw securing the relay board assembly to the carriage and remove the relay board assembly 3 16 DFX 6000 ...

Страница 144: ...bon Mask 10 Replace the ribbon mask with a new ribbon mask Install the paper width sensor cable as shown in Figure 3 11 After you install the ribbon mask make sure it is slightly loose 11 Install the new print head Torque the screws to 12 kg cm 12 Replace the print head cable protection sheet with a new one Then connect the print head cables to the connectors DFX 8000 3 17 ...

Страница 145: ...ure the cables are connected correctly See Figure 3 10 0 To firmly secure the print head pull it back as shown below while you tighten the screws Figure 3 12 Installing the Print Head 13 Replace the print head cable and connector covers 3 18 DFX 8000 ...

Страница 146: ...t with the oil 02 that comes with the exclusive print head kit and spread the oil over the shaft by manually moving the carriage Fzgure 3 13 Lubricating the Carriage Guide Shaft Adjustment required When you replace the print head perform the print head adjustment value writing procedure described in Chapter 4 DFX 9000 3 19 ...

Страница 147: ...he top cover or any other printer components 0 Spread a thick soft cloth under the printer before you start l Remove the ROM carefully to avoid damaging the board 0 Before you insert the new ROM check the INDEX mark on the socket to be sure the ROM is oriented correctly Insert the ROM carefully to avoid damaging the ROM pins and the board 1 Tilt back the printer and lay it on its back If you did n...

Страница 148: ...e top cover while you remove the screws Two people are required to remove the top cover One person must support the top cover while the other person removes the screws 1 Open the top cover 2 While someone supports the top cover remove the four screws two on the right and two on the left securing the top cover to the hinges and remove the top cover IGgure 3 15 Removing the Top Cover DFX 8000 3 21 ...

Страница 149: ...w Double check the wires to be sure they are connected properly Figure 3 16 Power Switch Wiring Diagram 1 Open the top cover 2 Remove the four CBB M4X16 screws securing the left cover and remove the cover Remove the right cover in the same way 3 Firdnnect the power switch cables from connector CNl on the power supply 4 Disconnect the power switch cables from the AC inlet See Figure 3 16 To loosen ...

Страница 150: ...Disassembly and Assembly CBB M4X16 screws CBB M4Xl6 screws Side covers Right side cover Qu re 3 l 7 Removing the Side Covers DFX 8000 3 23 ...

Страница 151: ...he front cover hinges check the letters stamped on them The left hinge is marked L and the right hinge is marked R Removing the upper housing 1 Remove the side covers See the section on removing the side covers earlier in this chapter for instructions 2 Open the top cover Disconnect connectors CN8 and CN9 on the left side of the main board 3 Remove the two CBB M4XlO screws securing the upper panel...

Страница 152: ... Panel Remove the six CBB M4X16 screws and two CBB M3XlO screws securing the upper housing and remove the upper housing Pull the cable from connector CN9 out through the gap between the lower and upper cases lQure 3 19b Removing the Upper Housing DFX 8000 3 25 ...

Страница 153: ...ver or any other printer components l Spread a thick soft cloth under the printer before you start 0 When you attach the bottom panel make sure the parallel interface cable latch is not caught between the lower case and the bottom panel 1 Remove the side covers See the section on removing the side covers earlier in this chapter for instructions 2 Open the rear cover Remove the two CBS OXMSX6 screw...

Страница 154: ...curing the green and yellow striped ground cables to the base plate There are two screws on the left side of the printer and one on the right side 5 Disconnect the cables from connectors CN7 CN8 CN9 and CNlO on the left side of the main board Disconnect cables A B and C from the driver board on the left side of the printer mechanism cables CBS O M4X8 screws DFX 8000 3 27 ...

Страница 155: ...ctor Connector l p re 3 21 Disconnecting the Cables Connector C 6 Remove the eight CTBB 4X16 screws securing the bottom panel to the lower housing Keeping the bottom panel upright pull it five inches 12 7 cm toward you 3 28 DFX 8000 ...

Страница 156: ...Disassembly and Assembly 7 Slowly tilt the bottom panel down toward you CTBB 4X16 screws Lv CN2 and screws Bottom panel Lowk housing Rear cover F we 3 22 Removing the Bottom Panel 1 DFX 8000 3 29 ...

Страница 157: ...12 screw Main board _ Figure 3 23 Removing the Bottom Panel 2 Removing the Circuit Boards This section describes how to remove the circuit boards Removing the driver board 1 Remove the bottom panel See the section on removing the bottom panel earlier in this chapter for instructions 2 Disconnect the cables from connectors CNl and CN2 on the driver board 3 30 DFX 8000 ...

Страница 158: ...er board Rear of unit CBB M3Xlij screw Front of unit CNi I Cril Driver board CBB M3X12 screw Figure 3 24 Removing the Driver Board Removing the main board 1 Remove the driver board See the previous section on removing the driver board for instructions 2 Disconnect the cable f om connector CN4 on the main board DFX 8000 3 31 ...

Страница 159: ... main board CBS O M3X8 screws 13X1 2 CN4 CBB M3X12 screw Main board Figure 3 25 Removing the Main Board Adjustments required When you replace the main board perform the following adjustments l Print head adjustment value writing l Bidirectional printing adjustment For instructions see the sections on these adjustments in Chapter 4 3 32 DFX 8000 ...

Страница 160: ...S OXM3X8 screw securing the power supply board to the base plate and remove the power supply board CBB M3X12 screw CBS OXM3X8 CBB M3X12 screw 1 screw CN4 CN2 12 screw I dN3 I Power supply board V CBB M3X12 screw CBB M3X12 SCtBwS l gure 3 26 Removing the Power Supply Board Removing the control panel 1 Remove the side covers See the section on removing the side covers earlier in this chapter for ins...

Страница 161: ...he upper panel Pull the CN8 cable out through the gap between the lower and upper housings 4 Remove the CBB M4XlO screw securing the control panel to the upper panel 5 Using your fingers pull apart the two tabs securing the control panel to the upper panel and remove the control panel 3 34 DFX 8OW ...

Страница 162: ...onnect the control panel cable fit it into the guide at the back of the upper panel Removing the Interlock Switch 1 Remove the upper housing See the section on removing the upper housing earlier in this chapter for instructions 2 Disconnect the interlock switch cable f om the driver board DFX 8000 3 35 ...

Страница 163: ...he DFX 8000 s printer mechanism is larger and heavier than that of previous models so you must be very careful when you remove it When you lift or lower the printer mechanism follow these precautions l Two people are required to remove or install the printer mechanism l Always use the lift handles E656 part code number B765111001 designed for lifting the DFX 8000 s printer mechanism when you remov...

Страница 164: ...ables to the base plate There are two screws on the left side o the printer and one on the right side See Figure 3 21 3 Disconnect the cables from connectors CN7 and CNlO on the left side of the main board Disconnect the cables from the driver board on the left side of the printer mechanism The cables are labeled A and B in Figure 3 21 Figure 3 29 Disconnecting the Cables fkom Connectors CN and CN...

Страница 165: ...sembly and Assembly 4 Remove the four screws securing the printer mechanism to the lower housing Mechanism mounting SC Printer mechanism Lower housing lC ure 330 Removing the Printer Mechanism 3 38 DFX BOoo ...

Страница 166: ...ism running them through the two holes on the side frames of the printer mechanism Slowly raise the printer mechanism using the handles and remove the printer mechanism from the lower housing Lifting handle Lifting handle Frame Figure 331 Raising the Printer Mechanism DFX MOO 3 39 ...

Страница 167: ...sm components that you can remove without removing the printer mechanism Removing the paper width sensor If the paper width sensor is not installed in the correct position or if the detector gets dirty the performance of the paper width sensor deteriorates Because of this the paper width sensor comes with the ribbon mask assembly in a single unit To remove the ribbon mask assembly see the section ...

Страница 168: ...ism and remove the paper Wde support plate Front Cover CP S I TZib Tab I CP SP MS6 SC lP M3X6 screw Paper guide support Plate u re B Removing the Paper Guide Suppnrt Plate irew Assembly note When you attach the paper guide support plate mate the holes next to the left and right screw holes with the tabs on the printer mechanism ...

Страница 169: ...t the carriage home position sensor cable Corn the connector on the print head cable board 3 Remove the screw securing the carriage home position sensor and remove the sensor Screw Figure 343 Removing the Carriage Home Position Sensor Assembly note When you attach the carriage home position sensor mate the screw and tab holes with the screw hole and tab on the printer mechanism 3 42 DFX 8000 ...

Страница 170: ...X30 screws securing the external fan to the fan cover 4 Remove the CB SPMM4X6 screw securing the fan cover to the left printer mechanism frame CB SPXM4XG screw Fan cover I CS M3X30 screws l ure 3 34 Removing the Ezternd Fan Assembly notes l When you connect the external fan cable disconnected in step 2 to the terminal board see Figure A 2 in the Appendix l Make sure the fan outlet faces the inside...

Страница 171: ...the connector on the terminal board See Figure A 2 in the Appendix 3 While holding the loading solenoid remove the two CHSPKM3X6 screws securing it to the left frame 4 Remove the loading solenoid and iron core CP SPXM3XG solenoid Figure 335 Removing the Lading Solenoid Assembly note When you connect the black loading solenoid cable disconnected in step 2 to the terminal board see Figure A 2 in the...

Страница 172: ... for instructions Disconnect the ribbon feed motor cable from the white connector and the tractor select sensor cable from the yellow connector on the terminal board See Figure A 2 in the Appendix Remove the carriage damper on the left the ribbon feed gear cover and the ribbon feed gear Carriage damper Ribbon feed gear cover Ribbon feed gear BQw e 34 Remotig the Left Carriage Damper and the Ribbon...

Страница 173: ... connect the ribbon feed motor and tractor select sensor cables disconnected in step 2 to the connectors on the terminal board see Figure A 2 in the Appendix Disassembling the ribbon feed change lever unit 1 Remove the two CP PS M3XG screws securing the ribbon feed motor to the ribbon feed change lever unit and remove the ribbon feed motor Disconnect the cable from the black connector on the ribbo...

Страница 174: ... ribbon feed motor and tractor select sensor cables to the ribbon feed change lever unit Tractor Tractor Select Sensor EringM Washer Leaf Spring Tractor Change Lever Spring Change Lever Lower Ribbon Motor Figure 3 38 Disassembling the Ribbon Feed Change Lever Unit DFX 8000 3 47 ...

Страница 175: ...id See the section on removing the loading solenoid earlier in this chapter for instructions Remove the external fan See the section on removing the external fan earlier in this chapter for instructions Unhook the upper paper end sensor cable from the wire saddle and then disconnect the cable f om the connector on the terminal board See Figure A 2 in the Appendix Remove the paper bail spring next ...

Страница 176: ...er bail lever to the left side of the sha Remove the paper bail lever and shaft holder Pape Pape Paper bail shaft E ring 6 r bail r bail Wire Figure 340 Removing the Left Side of the Paper Bail 7 Remove the paper bail spring next to the right Came ft DFX 8000 3 49 ...

Страница 177: ...curing the paper bail lever to the right side of the shaft Remove the paper bail lever leaf spring and shaft holder Paper bail lever Leaf spring E ring 6 Paper bail shaft Paper bail spring Figure 341 Removing the Right Side of the Paper Bail DFX 6000 ...

Страница 178: ...ft F ull out the right side of the tension roller shaft first and the left side next Shaft holder figure 3 42 Removing the Paper Bail 10 Remove the two CBS OXM4X6 screws securing the upper paper guide and remove the guide CBS O M4X6 screw end sensor Figure 343 Removing the Upper Paper Guide DFX 5000 3 51 ...

Страница 179: ...t to the shaft holder 0 When you attach the upper paper guide pull the paper guide down and to the left while you tighten the screws See Figure 3 43 l When you attach the upper paper guide pull the upper paper end sensor cable out through the hole in the left kune Upper paper guide 1 Left frame lQpre 344 Assembling the Upper Paper Guide Removing the pull tractor sensor 1 Remove the upper paper gui...

Страница 180: ...rminal Board 3 While pushing the tension pulley remove the paper feed timing belt 4 Remove the tension roller gear on the left side of the tension roller shaft by pulling the gear to the left and lifting the clip with tweezers 5 Remove the E ring 6 on the left side of the tension roller shaft and pull out the shaft holder DFX 8000 3 53 ...

Страница 181: ...ing and shaft holder Remove the shaft holder in the same way that you removed the shaft holder in step 5 Tension roller Plain Leaf spring Shaft holder Figure 3 s Removing the Tension Roller Shaft I 7 To remove the tension roller shaft move it to the right pull out the left side first and then pull out the right side 3 54 DFX 8000 ...

Страница 182: ...ve the sensor II tractor sensor l3gu re 348 Removing the Pull Tractor Sensor Assembly notes l When you attach the leaf spring to the tension roller shaft install the leaf spring so that the bulge in the spring is closest to the shaft holder l When you connect all the cables disconnected in step 2 to the terminal board see Figure A 2 in the Appendix DFX 80 3 55 ...

Страница 183: ...attach the platen pull the platen down and to the left while you tighten the screws See Figure 349 l When you connect all the cables disconnected in step 2 of the previous section to the terminal board see Figure A 2 in the Appendix Adjustments required When you remove the platen perform the following adjustments l Bidirectional printing adjustment l Parallelism adjustment l Mechanism adjustment v...

Страница 184: ...hen you remove or install the platen gap sensor be careful not to bend the platen gap adjustment motor s detection board 1 Disconnect all the cables fi om the connectors on the terminal board Then remove the two CflPKM3X6 screws securing the terminal board to the printer mechanism See Figure 3 45 2 Remove the CPS PSxMSX6 screw securing the platen gap sensor Remove the platen gap sensor by pulling ...

Страница 185: ...en gap sensor be sure to join portion A in the figure below correctly Also be sure to match the screw at portion B to the frame hole so that the platen gap sensor does not float Platen qap Adjustment Motor Platen Gap Sensor CPS P M3 X 6 Figure 351 Assembling the P en G a Sensor Adjustments required When you replace the platen gap sensor and platen gap adjustment motor perform the following adjustm...

Страница 186: ...erminal board to the printer mechanism See Figure 3 45 2 Slowly tilt the printer mechanism down toward you Then unhook the paper feed motor cable with the red 6 pin connector from the two wire saddles and the wire holder Wire saddle Wire kaddle Qure 3 52 Wire Holder and Sadcues 3 Remove the three Cp PSxM4X8 screws securing the paper feed motor to the left tiame DFX 8000 3 59 ...

Страница 187: ...Disassembly and Assembly 4 Remove the paper feed motor from the inside of the left fkne feed Wire sacdd Paper feed motor cable CP PS 4X8 screws Figure 343 Removing the Paper Feed Motor 3 60 DFX 8000 ...

Страница 188: ... to the terminal board see Figure A 2 in the Appendix l When you remove the paper feed mechanism gears see the figure below The numbers in the figure indicate the order in which to disassemble the gears Assemble the gears in the reverse order 8 F we a 54 Connecting the Gears Left a DFX 6000 3 61 ...

Страница 189: ...lt back the printer mechanism and lay it on its back Then loosen the hexagonal nuts securing the shaft at the f ont of the i ont tractor to the left and right frames Remove the E ring 6 securing the shaft at the back of the front tractor to the left frame Remove the front tractor gear gear 8 in Figure 3 54 Hexagonal Front tractor Figure 355 Removing the Front Tractor 1 nut 5 Tilt the printer mecha...

Страница 190: ...igure 346 Removing the Front Tractor 2 Assembly notes When you install the front tractor attach the left tractor subassembly in the range labeled A in Figure 3 56 When you attach the leaf spring to the tension roller shaft install the leaf spring so that the bulge in the spring is closest to the shaft holder When you attach the shaft holder to the side frame install the holder from the inside of t...

Страница 191: ... See Figure 3 45 2 Loosen the hexagonal nuts securing the shaft at the front of the rear tractor to the left and right frames 3 Remove the E ring 6 securing the shaft at the back of the rear tractor to the left frame 4 Remove the rear tractor gear gear 9 in Figure 3 54 Hexagonal Rear trktor unit Figure 357 Removing the Rear Tractor 1 5 Tilt back the printer mechanism and lay it on its back Unhook ...

Страница 192: ...ed A in Figure 3 56 l When you attach the leaf spring to the tension roller shaft install the leaf spring so that the bulge in the spring is closest to the shaft holder l When you attach the shaft holder to the side frame install the holder from the inside of the frame l When you connect all the cables disconnected in step 1 to the terminal board see Figure A 2 in the Appendix Removing the carriag...

Страница 193: ...ok the timing belt from the motor pulley Remove the three CBS OM4X8 screws securing the carriage motor to the right frame and remove the carriage motor Right frame CP PS M4X8 screws Carriage motor r holder Pulley CBS O M4X8 screws Timing belt Figure 359 Removing the Carriuge Motor Adjustments required When you remove or replace the carriage motor perform the following adjustments l Carriage timing...

Страница 194: ...4 5 Figure 4 3 BETA Value 4 7 Figure 4 4 Bidirectional Printing Adjustment 4 8 Figure 4 5 Printing Pattern 4 9 Figure 4 6 Parallelism Adjustment Lever 4 10 Figure 4 7 Dial Gauge and Dial Gauge Base Attachment 4 11 Figure 4 8 Carriage Guide Shaft Parallelism Adjustment 4 12 Figure 4 9 Carriage Timing Belt Tension Adjustment 4 14 Figure 4 10 Mechanism Adjustment Value Measurement 4 17 Figure 4 11 Pu...

Страница 195: ...ing the Print Head Writing the Print Head Adjustment Value Removing the Main Board Writing the Print Head Adjustment Value Bidirectional Printing Adjustment Removing the Printer Mechanism Removing the Platen Bidirectional Printing Adjustment Bidirectional Printing Adjustment Parallelism Adjustment Mechanism Adjustment Value Measurement Removing the Platen Gap Sensor and Platen Gap Adjustment Motor...

Страница 196: ...1 F541 Dial gauge base E A 8765114501 0 Commercially available tool A Mandatory E Epson exclusive tool B Recommended Table 4 3 describes the dial gauge and base Table 43 Did Gauge and Base Number Name E672 Dial Gauge Description For parallelism adjustment Part Number 8765111401 F541 Dial Gauge Base For parallelism adjustment 8765114501 Note Dial gauge base F541 is exclusively for the DFX 6000 it c...

Страница 197: ...e incorrect the paper could be caught by a head pin and a head pin could break Note The print head adjustment value is written on the front of the head unit refer to Figure 4 2 After you attach the print head you cannot see the value Be sure to write down the value before you attach the print head To write the adjustment value perform the following steps 1 Connect the AC cable Mount the ribbon cas...

Страница 198: ...s off approximately 15 seconds 4 Press the ON LINE button 5 Press the MICRO FEED A button the number of times indicated by the value written on the f ont of the print head l The buzzer sounds each time you press the MICRO FEED button l Press the MICRO FEED A button to increment the value refer to Figure 4 2 l Press the MICRO FEED 0 button to decrement the value l The value range is 0 to 10 4 4 DFX...

Страница 199: ...If the value is incorrect return to step 5 l When the value is correct go to step 7 TEAR OFF Figure 4 2 Writing the Adjustment Value 7 Press the ON LINE button and confirm that the buzzer sounds five times The printer prints the final value stored If the value is correct turn off the printer DFX 8000 ...

Страница 200: ...laten gap offset value ALPHA 3 Head flying time adjustment value FLYING TIME 4 Acceleration deceleration timing belt delay time adjustment values BELT DLYs 1 to 4 5 Bidirectional printing alignment value I D ADJUST For parameters 1 and 2 use the factory determined values For parameters 3 to 5 you should execute the following adjustment 1 Mount the ribbon cartridge and load the paper at either the ...

Страница 201: ...teps 4 BELT DLY 0 to 6 1 step 5 BI D ADJUST 0 to 48 1 step 2 The ALPHA value is written on the print head refer to Figure 4 2 The BETA value is written inside the front right corner of the printer refer to Figure 4 3 To measure the BETA value refer to Mechanism Adjustment Value Measurement Printer mechanism code Beta u Rgwe4 3 BETAVdue DFX 8000 4 7 ...

Страница 202: ...nl buttons to increase the value by lO Press the TEAFI OFF and MICRO FEED VJ buttons to set the BETA value to 0 Press the FORM FEED button The ALPHA value is printed I I I I Correct the ALPHA WIG I I PBS the MICRO FEED A button to lncmment the value by tl Press the MtCRO RED VJ button lo decrement the value by 1 Is the paper ejected Press the ON LINE button Press the ON LINE button L I Is the pape...

Страница 203: ...rs to the left For the flying time belt delay time 1 to 4 and Bi D alignment values select the combination which minimizes the misalignment as shown in Figure 4 5 Flying Tame 400 __ _____ ____ _____I_T _ _ KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK __ Belt Dly l I 0 Helt Dly 2 000 _ __ _ ___ ____ ___ __ _____ _ _____ _ ___ _____ ___ _______ ____ _ _ _ _ _ _ _ _ _ ...

Страница 204: ... the difference between the distances between the platen and carriage guide shaft measured at the two positions shown in Figure 48 are within the specified range Because the specified value C0004 inches or 0l mm is extremely small adjustment is impossible using normal methods Make sure to use the dial gauge and dial gauge base supplied by Epson refer to Table 4 3 Do not adjust the parallelism usin...

Страница 205: ...edle registers on the scale Do not forget to tighten the screw again 1 J Platen ICarriaae t Screw Eagwe 47 Did Gauge and Dial Gauge Base Attachment 3 Position the dial gauge within 2 8 inches 70 mm of the left side Came tap the gauge release lever to reset the gauge and rotate the outer bezel of the gauge so that the needle points to 0 Move the dial gauge to within 2 8 inches 70 mm of the right si...

Страница 206: ...the parallelism adjust lever is moved in the direction shown by the black arrow the distance between the left side of the platen and shaft narrows a little bit as the distance between the right sides is narrowed 5 Repeat steps 3 and 4 until the difference between the distances measured at the two positions is within 0004 inches LO1 mm 6 When the difference is within the specified range furrily tig...

Страница 207: ...rizontal direction To adjust the timing belt tension perform the following 1 2 3 4 5 6 Completely loosen the three tension adjustment screws A in Figure 4 9 on the carriage motor unit Loosen but do not remove them Confirm that the timing belt is correctly attached and that no load is applied to it Insert the tension gauge hook through the hole I3 in Figure 4 9 in the tension lever Pull the tension...

Страница 208: ...Adjustment 7 Secure the three tension adjustment screws with Neji Lock 2 See Chapter 6 for information on lubrication and adhesive application A Figure 4 9 Carriage Timing Belt Tension A bment DFX 8000 ...

Страница 209: ...inters first replace the ROM with a newer one that is with a version later than BX2201 l Do not turn the printer power off during steps 3 to 16 l When making the platen gap narrower or wider using the MICRO FEED A and MICRO FEED 0 buttons be sure to adjust the gap by one step at a time If you adjust the gap two or more steps at a time the PG mechanism PG motor may not operate correctly If this hap...

Страница 210: ...ter of the print head is aligned with the 15th column on the printer scale 12 Measure the BETA value by following the flow chart shown in Figure 4 10 13 Remove the print head Refer to Replacing the Print Head in Chapter 3 14 Attach the ribbon mask holder and the print head When attaching the print head be sure to attach it as described in step 6 Refer to Replacing the Print Head in Chapter 3 15 Mo...

Страница 211: ...lue by pressing the MICRO FEED v button while pressing the TEAR OFF button II Press the MICRO FEED A button X l times while pressing the TEAR OFF button to m Ne the print head to the posltlon one step away from the position where the print head and the thickness gauge contact Pull the thickness gauge straight to the right with the exclusive tension gauge XF545 Refer to Figure s 11 I I Read the ten...

Страница 212: ...alue 120 gf 150 30 Current value 160 gf 150 10 The current value is closer to 150 gf so go to the Current loop case 3 Previous value 140 gfU50 10 Current value 160 gf 150 10 In this case we make it a rule to select the value that does not exceed 150 gf Therefore go to Previous loop Thickness gauge Platen Tensi gauge Figure 4 11 Pull the Thickness Gauge 4 18 DFX 8000 ...

Страница 213: ...9 Troubleshooting Procedure 5 1 Bypass Method of Interlock Switch 5 3 Bypass Method of Cover open Sensor 5 5 Unit Replacement 1 5 7 Unit Replacement 2 Unit Replacement 3 Unit Replacement 4 5 10 Unit Replacement 5 5 11 Unit Replacement 6 5 12 Print Head Cable Signal Assignment 5 13 Sample Waveform for the Power Supply Board 1 5 17 Sample Waveform for the Power Supply Board 2 5 18 Sample Waveform fo...

Страница 214: ...Table 5 2 Table 5 3 Table 5 4 Table 5 5 Error Messages 5 2 Problem Identification and Reference Pages 5 6 Power Supply Board Unit Component Repair 5 14 Driver Board Unit Component Repair 5 20 Main Board Unit Component Repair 5 25 5 ii DFX 8000 ...

Страница 215: ...oting is not easy to perform Here is a simple procedure that you can use to perform troubleshooting CAUTION 1 When you replace the unit you should perform the adjustment that corresponds with each unit refer to Chapter 4 c I UNIT REPLACEMENT Eagure 5 l Troubleshooting Procedure 5 1 ...

Страница 216: ...drive circuit II X 6 times CPU HAM Abnormality CPU failure Main board Total 12 times II X 8 times Lowr Address HAM 4C SRAM failure Main board Total 16 times Abnormality II X 10 times Upper Address FIAM 5C SHAM failure Main board Total 20 times Abnormality I X 10 or 11 times Print Head Driver Head driver IC shorted or open Driver board Abnormality Gate array E05A38NA problem Main board II X 16 time...

Страница 217: ...en the interlock switch and the cover open sensor must be bypassed These sensors automatically disable the printing operation when the top cover is taken off To bypass the interlock switch remove the top cover and close the left top cover hinge refer to Figure 5 2 Interlock Switch Rear Cover DFX 8000 5 3 ...

Страница 218: ...Troubleshooting Figure 5 2 Bypass Method of Interlock Switch DFX 8000 ...

Страница 219: ...er open sensor remove the left side cover disconnect the cable from connector CN9 on the main board and jumper pins 2 and 3 on connector CN9 refer to Figure 5 3 Figure 53 Bypass Method of Cover open Sensor DFX 8000 5 5 ...

Страница 220: ...A printing error occurs during Nothing is printing 5 9 the self test l A specific dot is missing l The print quality is bad because of the print density or another problem The paper feeds abnormally l No paper is fed 5 10 l The amount of paper fed is irregular l A paper jam occurs The control panel does not l You cannot select function modes using 5 11 operate correctly control panel buttons l No ...

Страница 221: ... not operate Replace Me fuse and pull out all the connectors on the output side of the power supply board Measure the output voltage from the power supply board I Replace the driver board I Replace the printer mechanism Figure 54 Unit Replacement 1 DFX 8000 5 7 ...

Страница 222: ...n Replax the main board Check the print head coil resistance Refer to Figure S 10 Replace the print head v Check print head fan motor resistance Refer to Table 2 l Go to other Items IEnd r 1 Rep4aca the driver board 1 I I figure 5 5 Unit Replacement 2 5 8 DFX 8000 ...

Страница 223: ...the self test Measure the print head Replace the print head I Perform the carriage guide Pertotm the bidirectional printing adlustrnent See other troubleshootlng sections 1 Replace the printer l re 5 6 Unit Replacement 3 DFX 8000 5 9 ...

Страница 224: ...Troubleshooting The paper feeds abnormally N Abnormal J Y 1 Replaceheririverboard 1 Replace the driver board Y Replace the printer mechanism I Figure 5 7 Unit Replacement 4 5 10 DFX 8000 ...

Страница 225: ...oufputvolla sfmm the pcwerluppty bwd N sm lha pmer wpply clrcult dlagmm in the Appsndbt cmfirm ltmf the pelter opmfa ths corvdlnp LEDIIQMs cormclly by pmuillg tha bunoim Replace the control panel Replace the main board Replace the pdnter mechanism LId FLgure 54 Unit Replacement 5 DFX4000 5 11 ...

Страница 226: ...N LINE mode I I Clmcktha khfam prnmstw between the plinler mti the host cornplacr 8 blt parallel Adlust the pammeters Replace the Interface cable Replace the option board 4 I N Replace the main board l Fz gure 54 Unit Replacement 6 5 12 DFX 8000 ...

Страница 227: ...Cl 6 DFX 3000 Figure 5 10 Print Head Cable Signal Assignment 5 13 ...

Страница 228: ...een the positive and negative terminals of DBl C9 Cl 0 CM Q2 and so forth are shorted l When DBl shorts it may be caused by a short in a latter stage of DBl Verify that approximately 300V of DC voltage is output between the positive terminal pin 3 and the negative terminal pin 4 of DBl l The output voltage of DBl may be constrained due to a problem with an element in a latter stage of DBl Measure ...

Страница 229: ...n GND level Check if the output of IC3A monitor circuit is pin 1 is at the Vcc 12V bad level lf the output of IC3A is normal check that Q7 is turned on Transistor Q7 is The collector of transistor bad 07 is at approximately 5V l None of the outputs of IC2A IC28 IC3A and IC3B are active tC5A is bad CL signal CN4 pin 3 is output at the wrong time l When the CL signal is output the PD signal is outpu...

Страница 230: ...ut check the secondary output of T4 sheck that transistor Q6 vemains on 1 Q6 is turned on and off by IC4A and 08 through the PC2 photo coupler 1 IC4A limits the voltage to 5V and Q8 stabilizes it derify that approximately b12V is output at the erminals of C40 1 12V is also used to power the ICs OP AMPS on the board Verify that approximately 12V is output at the terminals of C41 l 12V is also used ...

Страница 231: ...Troubleshooting The waveform for the 35V switching transistor drive ICl pins 8 and 11 is shown in Figure 5 11 Figure 5 11 Sample Waveform for the Power Supply Board 1 DFX 8000 5 17 ...

Страница 232: ...Troubleshooting The waveform for the 35V pulse drive pins 9 and 11 of Tl is shown in Figure 5 12 Rgure 5 12 Sample Waneform for the Power Supply Board 2 l l tl t l t 5 18 DFMOOO ...

Страница 233: ...The waveform for the 5V pulse drive Q4 collector is shown in Figure 5 13 Figure 5 13 Sample Waveform for the Power Supply Board 3 DFX 8000 5 19 ...

Страница 234: ...pins 30 and 31 replace the IC CRA and CRB of 4E or the connector CN6 see Figure surrounding 5 1 4 element s tf normal check the connectors and the cables Short circuited The fan transistor Check transistors Q2 Replace the fan transistor is bad FANCOM Q3 HFANB corresponding and Q5 HFANA for shorts element s or opens Print head driver The print head abnormal driver is bad Examine pins 24 HP ERR Repl...

Страница 235: ...r is bad correctly I Checkpoint Observe the output waveforms of the driver IC s corresponding to the column s where the printing is not normal see Figure 5 l 5 Observe the CR motor drive signal at pins 30 and 31 CRA and CRB of connector CN6 see Figure 5 l 4 Check the PF motor drive signals at pins 22 24 25 and 28 PFA PFD connector CN5 and the common voltage at pins 32 and 34 see Figure 5 l 6 Solut...

Страница 236: ...Troubleshooting The CR motor drive waveform pins 30 and 31 of connector CN6 is shown in Figure 5 14 Figure 5 14 Sample Waveform for the Drtver Board 1 5 22 DFX 8000 ...

Страница 237: ...The print head drive waveform connector CN3 is shown in Figure 6 15 Figure 5 15 Sample Waveform for the Driver Board 2 I I I I I I I I I DFX 8000 5 23 ...

Страница 238: ...Troubleshooting The PF motor drive waveform pins 6 to 9 of connector CN5 is shown in Figure 5 16 Figure 5 16 Sample Waveform for the Driver Board 3 5 24 DFX 8000 ...

Страница 239: ...t s correct replace the ROM The CPU is bad Check that the signal goes Replace IC 5E High and Low at pin 40 ASTB and pins 41 to 48 ADO toAD7 of IC 5E Carriage error is The home Turn the home position If it does detected position cannot sensor on and off and see if replace IC 5E be detected the waveform at pin 5 of IC If it doesnr 5E goes High and Low check the route of the CR HP signal The CR motor...

Страница 240: ...nt s through 19 CR D of CN5 l The CR motor is controlled by the CPU IC 5E G A IC 6A and the driver IC 7A Paper feeding is The PF motor is The CPU is bad Verify that the PF motor Replace the not normal not controlled drive signal is correctly corresponding correctly output at pins 26 PF D element s through 29 PF A of the CPU IC 5E see Figure 5 l 9 l The PF H R signal is output from the G A IC 2E DI...

Страница 241: ...with the host 6A or 2E properly or data is computer Replace the garbled l Parallel I F serial port ICs DATA 1 8 lD or lE 6A STROBE ACK BUSY and 2E l Serial I F TXD RXD DTR 4 The CPU is bad It the interface elements are Replace IC 5E good the CPU may be bad Mode settings The memory The memory The lithium battery or the Replace the are not saved backup is not backup circuit is transistor Cl3 and Q4 ...

Страница 242: ...The CPU clock waveform QC 5E pins 22 and 23 is shown in Figure 5 17 l ure 5 l 7 Sample Waveform for the Main Board 1 I I I I I t I I I I I 1 I I I I _ I I I 5 28 DFX 8000 ...

Страница 243: ...Troubleshooting The CR motor control signal waveform IC 6A pin 18 is shown in Figure 5 18 figure 5 18 Sample Waveform for the Main Board 2 DFX 8000 5 28 ...

Страница 244: ...The PF motor control signal waveform IC SE pin 26 is shown in Figure 5 19 F we 5 19 Sample Waveform for the Main Board 3 I 1 I f I I I I T I I I I DFX 8000 ...

Страница 245: ... Application 6 1 List of Figures Figure 6 1 Correct Adhesive Application 6 2 Figure 6 2 DFX 8000 Lubrication and Adhesive Diagram 6 5 List of Tables Table 6 1 Lubricants and Adhesive 6 1 Table 6 2 Lubrication Points 6 2 Table 6 3 Adhesive Application Points 6 4 DFX 8000 6 i ...

Страница 246: ...ts illustrated in Figures 6 2 A 15 and A 16 be lubricated with Epson 02 and G26 which have been extensively tested and found to comply with needs of this printer Figure 6 2 is at the end of this chapter and Figures A 15 and A 16 are at the end of the Appendix Refer to Table 6 l for details of lubricants 02 and G26 Table 6 2 indicates the lubricant for each point Be sure that the parts to be lubric...

Страница 247: ... Oil pad of the carriage under the head cable holder of carriage 02 Hooking points of the paper guide support plate spring 6 points G28 Holding hole edge of the rear carriage guide shaft both left and right sides of frame Parallelism adjustment lever contact point with the rear carriage guide shaft G26 I G26 G26 Carriage guide shaft holding lever contact point with the rear carriage guide shaft G2...

Страница 248: ...ley pulley shaft and hooking G26 point of the tension pulley spring 14 A 16 Paper bail gear G26 15 A 16 Hooking point of the paper bail spring G26 16 A 16 Fulcrum position of the paper bail shaft G26 and plunger 17 A 16 Platen gap motor pinion G28 18 A 15 Carriage guide shaft gear G26 19 A 15 Ribbon feed gears G26 20 A 15 Tractor select cam G26 21 A 16 Platen gap adjust middle gear 626 Note See Fi...

Страница 249: ...arallelism adjustment lever fixing screws 2 screws 25 A 16 Lower paper guide assembly fixing screws 3 screws 26 A 16 27 A 16 28 A 16 29 A 16 30 A 16 Terminal board fixing screws 2 screws Platen gap motor fixing screws 2 screws Platen gap motor fixing screws 2 screws Pull tractor sensor fixing screw screw body side External fan unit fixing screws 3 screws Note See Figures A 15 and A 16 in the Appen...

Страница 250: ...Maintenance 13 G261 EEgure6 2 DFX43tXNl Lubricdn and Adhesive Diagram DFX 8000 ...

Страница 251: ...6 6 DFX 8000 ...

Страница 252: ...tions A 1 Terminal Board Connector Assignment Diagram A 19 Head Board Connector Assignment Diagram BOPS Board Component Layout Aif C030DRV Board Component Layout A 27 C030MAIN Board Component Layout A 28 Control Panel Board Circuit Diagram BOPS Board Circuit Diagram fZ C030DRV Board Circuit Diagram A 32 C030MAIN Board Circuit Diagram A 33 DFX 8000 Exploded Diagram 1 A 34 DFX 8000 Exploded Diagram ...

Страница 253: ... A 10 Table A 9 C030MAIN CN10 Pin Assignments A 10 Table A 10 C030DRV CN1 Pin Assignments A 11 Table A 11 C030DRV CN2 Pin Assignments A 11 Table A 12 C030DRV CN3 Pin Assignments A 12 Table A 13 C030DRV CN5 Pin Assignments A 14 Table A 14 C030DRV CN6 Pin Assignments A 16 Table A 15 C030DRV CN7 Pin Assignments A 17 Table A 16 BOPS CN1 Pin Assignments A 18 Table A 17 BOPS CN4 Pin Assignments A 18 Tab...

Страница 254: ...e A 1 lists the connector assignments of each component and refers you to another table that shows the pin assignments Tables A 2 through A 20 list connector pin assignments A C I N P U T 12OVAC 220 240VAC n TERMINAL BOARD 1 1 HEAD BOARD 1 TERMINAL BOARD 1 1 HEAD BOARD 1 PRINTER MECHANISM MODEL 3C65 PRINTER MECHANISM MODEL 3C65 ____ ____ POWER SUPPLY POWER SUPPLY lQu re A l Component Connections l...

Страница 255: ... Power supply input 35 VDC Printer mechanism control signal input Printer mechanism sensor signal output Driver circuit monitor signal output Printer mechanism sensor signal input Print head drive signal output Printer mechanism sensor signal input Printer mechanism drive signal output interlock switch connect A 10 A 11 A 12 A 5 A 13 A 14 A 15 A 2 DFX 8000 ...

Страница 256: ...tor Number Number of Pins Description CNl 3 AC input CN2 12 DC output 35 VDC CN3 6 DC output 35 VDC CN4 10 DC output 5 VDC 12 VAC Power supply control signal input monitor signal output CN5 2 Fan drive DC output 35 VDC See Table A 17 A 18 I Table A 2 CO3OiMXliV CAB Pin Assignments DFX 8000 A 3 ...

Страница 257: ...mW CN2 Pin Assignments continued s p y q b 23 I I in SELIN 26 I I GND Description Data input 3 5 VDC Data input 2 24 VDC Data input 1 12 VDC Paraiielkeriai signal Not connected Select in signal Ground Transmission data Ground A 4 DFX 8000 ...

Страница 258: ...ase PF B Paper feed motor B phase PFC Paper feed motor C phase PF D Paper feed motor D phase PF H R Paper feed motor common voitage Hold Run PFA Paper feed motor A phase PF B Paper feed motor B phase PFC Paper feed motor C phase PF D Paper feed motor D phase PF H R Paper feed motor drive current switch signal PSA Platen gap motor A phase PS B Platen gap motor B phase PS c Platen gap motor C phase ...

Страница 259: ...PNP drive signal 9 32 Out HRI P Print head right line PNP drive signal I 33 Out HR2P Print head right line PNP drive signal 2 34 Out HR3P Print head right line PNP drive signal 3 35 Out HR4P Print head right line PNP drive signal 4 36 Out HRSP Print head right line PNP drive signal 5 37 Out HRGP Print head right line PNP drive signal 6 38 Out HR7P Print head right line PNP drive signal 7 39 Out HR...

Страница 260: ...line NPN drive signal 8 58 Out HRSN Print head right line NPN drive signal 9 59 Out HF ANA Head tan motor A phase 60 Out HF ANB Head fan motor B phase 61 Out PLGP Plunger PNP drive signal 62 Out PLGN Plunger NPN drive signal 63 VX Vx voltage 5 VDC 64 5 5 VDC 65 66 68 GND Ground Table A 5 Cll3OW CN6Ph Assignments Pin Number i O Name Description 1 in CR HP Carriage home position signal 2 5 5 VDC 3 G...

Страница 261: ... Top paper end sensor signal 16 17 in F PE Front paper end sensor signal in R PE Rear paper end sensor signal 18 19 20 5 5 VDC GND Ground GND Ground 21 22 in P TRCT Pull tractor sensor signal GND Ground 23 24 in I I HNERR Head driver NPN short open signal HPERR Head driver PNP short open signal 25 26 27 28 30 I I 5 5 VDC in DV35 35 VDC VP3 monitor line GND Ground Note These pin assignments corresp...

Страница 262: ...rriage motor temperature monitor line Table A 7 WiXMAlN CN8 pin Assignments 15 I I in TOF SW Top of form button Buzzer drive signal Paper end LED drive signal Ready LED drive signal Front tractor select LED drive signal Front tractor paper end LED drive signal Rear tractor select LED driie signal Rear tractor paper end LED drive signal 1 Form feed button ON LINE button Tear off button Line feed bu...

Страница 263: ... 5 VDC Ta de AS CXWMAlN CN9Pin Assignments Pin Number I O Name Description 1 5 5 VDC 2 in COVER SW Cover open sensor signal 3 GND Ground Tabik A c423WWN CNlO Pin Ass ignm ents Pin I Number 1 i O 1 Name I Description I 1 1 Out 1 CUTON 1 Cutter ON signal I 2 I I Out CUTDIR I Cutter direction signal I 3 I in I CUlTER I Cutter install signal 4 I in I CUTHP I Cutter home position sensor signal I 5 I 5 ...

Страница 264: ... Ground for VP1 VP2 35 VDC GP2 Ground for VP2 Note These pin assignments correspond to the connector CN2 pins on the power supply board BOPS Table A 11 CO3ODRV CN2 Pin Assignments l O Name VP3 Description 35 VDC GP3 Ground for VP3 Note These pin assignments correspond to the connector CN3 pins on the power supply board BOPS DFX 6000 A 11 ...

Страница 265: ...ap motor common voltage Hold Run Carriage motor driver signal A Carriage motor driver signal B Carriage motor driver signal C Carriage motor driver signal D CR motor drive current switch signal 1 CR motor drive current switch signal 2 CR motor drive current switch signal 3 23 out 24 out 25 Out 26 Out 27 Out 28 Out HLlP HL2P HL3P HL4P HL5P HLGP Print head left line PNP drive signal I Print head lef...

Страница 266: ... HLGN Print head left line NPN drive signal 6 47 Out HL7N Print head left line NPN drive signal 7 48 Out HL8N Print head lett line NPN drive signal 8 49 Out HLSN Print head lett line NPN drive signal 9 50 Out HRlN Print head right line NPN drive signal l 51 Out HR2N Print head right line NPN drive signal 2 52 Out HR3N Print head rigM line NPN drive signal 3 53 Out HR4N Print head rigM line NPN dri...

Страница 267: ...drive signal I5 HL8P Out 5GND Print head ground signal 5 HL3N Out I3 Print head drive signal I3 HLIP 22 Out lOGND Print head ground signal IO HR5N 23 Out I6 Print head drive signal I 6 HRBP 24 Out lPGND Print head ground signal I2 HRGN Out 3GND Print head ground signal 3 HL2N Out 15GND Print head ground signal 15 HLBN Out 13GND Print head ground signal I3 HL7N out 5 Print head drive signal 5 HL3P ...

Страница 268: ...Technical Specifications Table A 13 CO3ODRV CN5 Pin Assignments continued Print head ground sqna DFX 8000 A 15 ...

Страница 269: ...iption 1 in TRCTSEL Tractor select sensor signal 2 GND Ground 3 Out RFCOM Ribbon motor common voltage Hold Run 4 GP3 Ground for VP3 5 Out RFD Ribbon motor D phase 6 Out RFC Ribbon motor C phase 7 Out RFB Ribbon motor B phase 8 Out RFA Ribbon motor A phase 9 Out PGCOM Platen gap motor common voltage Hold Run 10 11 12 13 14 15 16 17 Old Out Out Out In In PGD Platen gap motor D phase PGC Platen gap m...

Страница 270: ...ge motor common line B 32 Out PFCOM Paper feed motor common line 33 Out CRB Carriage motor common line B 34 Out PFCOM Paper feed motor common line Note These pin assignments correspond to the connector pins on the terminal board shown in Figure A 2 and Table A 19 TableA 15 CO3ODRV CN7Pin Assignments Pin Number l O Name Description 1 Out VP3 35 VDC Carriage motor common interlock 2 in switch DFX800...

Страница 271: ...Assiflm ents Pin I I Number i O Name Description 1 1 out 1 so I Switch off signal I 2 1 Out 1 PD I Power down signal I 3 out CL Limit signal 4 Out PH Not connect 5 1 12V 1 12 VDC I l2V 12 VDC GL Logic ground 9 5v 5 VDC 10 Table A 18 BOPS CN5 Pin Assignments Pin Number i O Name Description 1 Out FAN 35 VDC VP3 power supply unit cooling fan 2 drive voltage A 18 DFX 8000 ...

Страница 272: ...ributes the drive signals from the driver board and sends back sensor signals to the main board through the driver board Figure A 2 shows the connector assignments of the terminal board and Table A 19 lists the pin assignments of each connector ABC D E F G H I J I I T I fib D K w L M Eagure Aa Terminal Board Connector Assignment Diagram DFX 8000 A 19 ...

Страница 273: ... signal 3 GND Ground 1 5 5 VDC 2 In GAP A Platen gap sensor A phase 3 In GAP B Platen gap sensor B phase 4 GND Ground 1 OUI PGB Platen gap motor B phase 2 Out PGA Platen gap motor A phase 3 Out PGD Platen gap motor D phase 4 Out PGC Platen gap motor C phase 5 6 Out PGCOM Platen gap motor common voitage 1 Out RFB Ribbon motor B phase 2 Out RFA Ribbon motor A phase 3 Out RFD Ribbon motor D phase 4 O...

Страница 274: ... 1 Out PFCOM Paper feed motor common line 2 Out PFCOM Paper feed motor common line 3 Out PFD Paper feed motor D phase 4 Out PFC Paper feed motor C phase 5 Out PFB Paper feed motor B phase 8 Out PFA Paper feed motor A phase L M Out Out RFCOM Ribbon motor common voltage GP3 Ground for VP3 GP3 Ground for VP3 PFCOM Paper feed motor common line DFX SOUO A 21 ...

Страница 275: ...tributes the drive signals of the print head from the driver board and sends back sensor signals to the main board through the driver board Figure A 3 shows the connector assignments of the head board and Table A 20 lists the pin assignments of each connector A B C 0 Figure A Head Board Connector Assignment LMizgmm A 22 DFX 8000 ...

Страница 276: ...ture monitor line 13 CNA 3 pin 14 GND Ground 15 In PWIDTH Paper width sensor signal 16 GND Ground 17 5 5 VDC 18 Not connected C 1 Out 8 Print head drive signal 8 HR4P 2 Out lGGND Print head ground signal 16 HRBN 3 OUI lo Print head drive signal IO HR5P 4 Out 8GND Print head ground signal 8 HR4N 5 Out I2 Print head drive signal I2 HR8P 6 OUI lOGND Print head ground signal lO HR5N 7 Out 16 Print hea...

Страница 277: ...int head drive signal 8 HR3P Print head drive signal 4 HR2P Print head ground signal 18 HRSN Print head ground signal 4 HR2N Print head drive signal 14 HR7P Print head ground signal 14 HR7N Print head drive signal I8 HRSP Print head ground signal 6 HR3N Print head drive signal I5 HLBP Print head ground signal 5 HL3N Print head drive signal I3 HL7P Print head ground signal 3 HEN Print head ground s...

Страница 278: ...this appendix shows detailed diagrams and schematics of the board components and integrated circuits of the DFX 8000 The last two figures in this appendix show the lubrication and adhesive diagrams referred to in Chapter 6 Note Please refer to the parts price list for the code and name of a part DFX 8000 A 25 ...

Страница 279: ...Technical Specifications CNI c SOPS B O A R D I I FOR CONTINUED PROTECTlOd WARNING AGAINST RISK OF FIRE REPtACE ONLY WTH SAME TYPE AND RATINGS OF FUSE JQure A 4 BOPS Board Component Layout A 26 DFX 8000 ...

Страница 280: ...Technical Specifications I CN4 ___ p II 1 rn E _ RX L J 5 N Rigwe AS CWODRV Board Component Layout A 27 DFX 8000 ...

Страница 281: ...Technical Specifications CW II figure A CWOBZAIN Board Component Layout DFXgOOO A 28 ...

Страница 282: ...Technical Specifications Cl O lPF LED 1 RA4 TEAR OFF SW MICRO F SW MICRO B SW PAPER SEL SW TEAR OFF LP T O F LP FRONT 1 LP CNl CN2 CN 1 IQure A 7 Control Panel Board Circuit Diagra m DFX 8000 A 29 ...

Страница 283: ...Technical Specifiitions A 30 DFX 8000 ...

Страница 284: ... NJM2904D GND 1JM2904D lC2A rG7 d IOOOP y IOOOP c30 R53 IK SC 04 200JV PT P64E PCI EiF PC2 R56 470 RI2 X74K RI3 374K IX RI4 IS 2 LI 4 A ELF IBDBSOC 3 RI I 0 330K Cl c 1 I 4 0 474 FI 125V 8A 3 0 L CNI N R7B I IOK C3B O I R74 3 3K I T4 PT P62E 1 l 5K RI5 5lOK RI6 5lOK so PD CL PH 12v 12v I l DT2 CN4 LD IOO 03TD R64 3 9K lz43l ifPO703 IW D4 IS2076A 05 C2655 RI9 Ziy f 1 2w 69 CNl IIDFI ix 2F BIgwe A B...

Страница 285: ...UT cN3 I OUT our B R ouri RS CN3 PRINTHEAD lNP T CR OUT 3 OUT 0 RFCOY f if04 HZ Et 637 L 750 GPI CN2 f SENSOR INPUT CN5 SENSOR INPUT CN6 SENSORS OUT CN4 PG RF INPUT CR3 Figure A CWODRV Board Circuit Diagram DFX 8000 A 32 ...

Страница 286: ...Technical Specifications II Ii I II I I Figure A 10 CO3OIUAtNBo d Circuit Diugmm DFX4000 ...

Страница 287: ...Technical Specifications p y Figure A 11 Dl X4XKM Exploded Diugram 1 A 34 DFX WOO ...

Страница 288: ...Technical SpecificatiinS d 612 418 l 1 P J 553 v 1 604 9 i __ 574 k i I 6 9 585 e xzJ 547 631 438 505 Y 612 Figure A 12 DKQ NM Explo d Dt5zgra m 2 DFX 8000 A 35 ...

Страница 289: ...Technical Speciiiins 601 A 6 2 0 A 5 5 0 3 521 Eic7 Figure A 13 DI X4XXM Exploded Diagrm 3 A 36 DFX 8000 ...

Страница 290: ...Technical Specifiiins 10 24 256 mm v j 48 162 mmj Y 14 84 371 mm T t I t 1 ___ 1 a 1 I 10 26 256 5 mm k 8 40 210 mm 4 Figure A 14 DI K HW Ezternad Dimension Diagram A 37 DFX8000 ...

Страница 291: ...19 l G26 24 lQu re A 15 DRX Lubrication andAdhesive Diagram 1 A 38 ...

Страница 292: ...Technical Speciiiatiins 30 DFX 8000 ...

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