Epson Stylus pro 7700m Service Manual Download Page 81 | Manualshive

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7.

Turn the printer power off now.

8.

Manually move the carriage to the center while pressing the carriage lock lever, and remove
the two ink cartridges.

9.

Remove the rubber cap covering the head screw at the side of color ink cartridge. Then loosen
(but do not remove) 3 screws. (Refer to Figure 4-6.)

WARNING

After replacing the spacer, always install new ink cartridges before returning the printer to
the user. During this adjustment, use ink cartridges exclusively for service (Monochrome:
1020626, CMY: 1020627). You can reuse old ink cartridges for other purposes.

10. Replace the angular spacer for the black head with a new one, referring Figure 4-7.

(Replace the angular spacer by using tweezers to push the head base toward the rear.)

1: Push

Carriage Unit

Pla ten Gap
Adjust Lever

Linear Spacer

Black Head

He ad Ba se

Angular Spacer

2: Replace

(Angular Spacer
Replacement Position)

Figure 4-6. Removing the Rubber Cap

Stylus Pro XL

Adjustments

Rev. A

4-7

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Summary of Contents for Stylus pro 7700m

Page 1: ...EPSON COLOR INKJET PRINTER Stylus Pro SERVICE MANUAL EPSON 4004825 ...

Page 2: ...of this manual However should any errors be detected SEIKO EPSON would greatly appreciate being informed of them The above notwithstanding SEIKO EPSON can assume no responsibility for any errors in this manual or the consequence thereof Epson is a registered trademark of Seiko Epson Corporation General Notice Other product names used herein are for identication purposes only and may be trademarks ...

Page 3: ... NOT CON NECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO WHEN THE POWER SUPPLY CABLE MUST BE CONNECTED USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS WARNING 1 REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTI FIED REPAIR TECHNICIAN 2 MAKE CERTAIN THAT THE SOURCE VOLTAGE IS THE SAME AS THE RATED VOLTAGE LISTED ON THE SERIAL NUMBER RATING ...

Page 4: ...ts of the printer CHAPTER 2 OPERATING PRINCIPLES Describes the theory of printer operation CHAPTER 3 DISASSEMBLY AND ASSEMBLY Includes a step by step guide for product disassembly and assembly CHAPTER 4 ADJUSTMENTS Includes a step by step guide for adjustment CHAPTER 5 TROUBLESHOOTING Provides Epson approved techniques for adjustment CHAPTER 6 MAINTENANCE Describes preventive maintenance technique...

Page 5: ...REVISION SHEET Revision Issue Date Revision Page Rev A May 30 1995 1st issue Rev B June 5 1995 1 2 4 7 4 10 Change Fig 1 2 and WARNINGs v ...

Page 6: ...TABLE OF CONTENTS CHAPTER 1 GENERAL DESCRIPTION CHAPTER 2 OPERATING PRINCIPLES CHAPTER 3 DISASSEMBLY AND ASSEMBLY CHAPTER 4 ADJUSTMENTS CHAPTER 5 TROUBLESHOOTING CHAPTER 6 MAINTENANCE APPENDIX vi ...

Page 7: ...face Specifications 1 9 1 3 2 Serial Interface Specifications 1 11 1 4 OPERATIONS 1 12 1 4 1 Control Panel 1 12 1 4 2 Panel Operation at Power On 1 13 1 4 3 Default Settings 1 14 1 4 3 1 Default Setting Items 1 14 1 4 3 2 Changing the Default Settings 1 15 1 4 4 Error Conditions 1 17 1 4 5 Printer Initialization 1 17 1 4 5 1 Hardware Initialization 1 17 1 4 5 2 Software Initialization 1 17 1 4 5 3...

Page 8: ...2 Character Tables 1 3 Table 1 3 Cut Sheet Paper Specifications 1 4 Table 1 4 Envelope Specifications 1 4 Table 1 5 Adjust Lever Setting 1 6 Table 1 6 Rated Electrical Ranges 1 7 Table 1 7 Acceptable Environmental Conditions 1 7 Table 1 8 Signal and Connector Pin Assignments for Parallel Interface 1 10 Table 1 9 DTR and X ON X OFF Protocol 1 11 Table 1 10 Signal and Connector Pin Assignments for S...

Page 9: ...intosh Serial interface Parallel interface I EEE 1284 compatible Type B interface optional Note Type B interfaces are available except C82324 ETHERNET I F CARD for NETWARE The asterisk represents the last digit which varies by country r Easy to set up No DIP switches Multilingual setting messages 5 languages r 4 scalable fonts 5 LQ fonts Roman T Sans Serif H Roman Sans Serif scalable Roman Sans Se...

Page 10: ... logic seeking The table below shows print speed and printable columns Table 1 1 Print Speed and Printable Columns Character Pitch Printable Columns Print Speed LQ 10 cpi pica 80 200 cps 12 cpi elite 96 240 cps 15 cpi 120 300 cps 17 cpi pica condensed 137 340 cps 20 cpi elite condensed 160 400 cps Row C Row D 2 3 7 6 62 63 1 360 1 Magenta Cyan Yellow 2 3 1 2 3 1 2 3 16 1 6 1 90 16 1 Row A Row B 4 ...

Page 11: ...land m m Code MJK Czecho Slovakia m m ISO 8859 7 Greek m m ISO Latin 1T Turkish m m Bulgaria Bulgaria m m m Supported Not supported Note These character tables are not supported for EPSON Roman T and EPSON Sans Serif H scalable fonts Fonts Bitmap LQ fonts r EPSON Roman 10 cpi 12 cpi 15 cpi Proportional r EPSON Sans Serif 10 12 15 Proportional r EPSON Courier 10 12 15 r EPSON Prestige 10 12 15 r EP...

Page 12: ...in 297 mm 11 7 in Executive 184 mm 7 25 in 267 mm 10 5 in Statement 140 mm 5 5 in 216 mm 8 5 in Thickness 0 08 mm 0 003 in 0 11 mm 0 004 in Weight 55 g m2 17 lb 90 g m2 24 lb Quality Plain paper special coated paper for 720 dpi special coated paper for 360 dpi transparency film high quality glossy paper Note Printing on special coated paper for 720 dpi special coated paper for 360 dpi transparency...

Page 13: ...nvelopes 3 mm 0 12 in D Minimum bottom margin 14 mm 0 55 in Envelopes A Top margin B Left margin C Right margin D Bottom margin Printable area Figure 1 3 Printable Area for Cut Sheets Top margin 3 mm 0 12 in Left margin 3 mm 0 12 in Right margin 3 mm 0 12 in Bottom margin 14 mm 0 55 in Printable area Figure 1 4 Printable Area for Envelopes Stylus Pro Service Manual Product Description Rev B 1 5 ...

Page 14: ...t 60 C 140 F Dimension W D H 26 9 67 4 41 8 mm 1 06 2 65 1 65 in Color Type Exclusive cartridge Color Cyan magenta yellow Print capacity 28 sheets color A4 full image printing at 360 dpi Life The effective life from the indicated production date is 2 years Storage Temperature 30 40 C 22 104 F Storage under a month at 40 C 104 F 30 60 C 22 140 F Transit under a month at 40 C 104 F 30 60 C 22 140 F ...

Page 15: ...AC rms 1 second between AC line and chassis 1500 VAC rms 1 minute between AC line and chassis 1 2 6 Environmental Conditions Table 1 7 Acceptable Environmental Conditions Description Operating Non Operating Temperature 10 35 C 50 95 F 1 20 60 C 4 122 F 2 Humidity 20 80 RH 1 3 5 85 RH 2 3 Shock resistance 1G within 1 msec 2G within 2 msec 2 Vibration resistance 0 15 G 0 50 G 2 1 For operating the p...

Page 16: ...th D3 220 240 V version EN 60950 TÜV SEMKO DEMKO NEMKO SETI Radio frequency interference RFI 120 V version FCC part 15 subpart B class B 220 240 V version Vfg 243 VDE0878 part 3 part 30 EN55022 CISPR PUB 22 class B 1 2 9 Physical Specifications Dimension W D H 482 530 192 mm 18 5 20 7 7 56 in Weight Approximately 7 5 kg 16 5 lb Product Description Stylus Pro Service Manual 1 8 Rev B ...

Page 17: ...ing data reception See Figure 1 7 r When the input buffer is full r When the INIT input signal is active r During initialization r When the ERROR or PE signal is active r During the self test mode r During the demonstration mode r During the default setting mode r When a fatal error occurs The ERROR signal is active LOW under the following conditions r When a paper out error occurs r When a no ink...

Page 18: ... receive further data 11 BUSY O The BUSY signal informs the host computer of the printer s status When this signal is HIGH the printer cannot accept any more data 12 PE O This signal indicates whether paper is available in the printer or not A HIGH level indicates no paper 13 SLCT O Pulled up to 5 V through a 1 0 KΩ resistor in the printer 14 AFXT I If this signal is set to LOW the printer automat...

Page 19: ...one 1 bit Bit rate 57 6K 230 4K bps Adaptable connector 8 pin mini circular connector Recommended I F cable Apple System peripheral 8 cable Table 1 10 Signal and Connector Pin Assignments for Serial Interface Pin No Signal Name I O Description 1 DTR Out Data terminal ready 2 NC No connection 3 TXD Out Transmit data 4 SG In Signal ground 5 RXD In Receive data 6 TXD Out Balanced transmit 7 NC No con...

Page 20: ...ge to move to the gap adjustment position Pressing the Alt button again causes the carriage to return to the home position Economy Condensed Selects either economy printing or condensed printing mode Pressing the Economy Condensed button while holding down the Alt button turns the Pause light on and starts the color printhead cleaning cycle Load Eject Either loads a new sheet into the printer or e...

Page 21: ...printing is paused 1 4 2 Panel Operation at Power On You can activate the modes below by doing the following Self test mode Turn on the printer while holding down the Load Eject button Hex dump mode Turn on the printer while holding down the Font and Load Eject buttons Once this mode is selected the printer prints all received data in hexadecimal format Default setting mode Turn on the printer whi...

Page 22: ...to I F wait mode 10 30 seconds 10 sec Table 1 12 Characteristics of Print Direction Mode Item Black and White Printing Color CMYK Printing Auto Throughput and quality is better Throughput is better Color quality with special paper is worse Color correction depends on the printing direction Bi D Throughput is best Print quality may be down Throughput is better Color quality with special paper is wo...

Page 23: ...PS LEDs Each time you press the Font button you adance to the next setting and the three font LEDs change according to the selection Table 1 15 Feature Selection Menu Setting Value Feature Menu Courier LED Roman T PS LED Sans Serif H PS LED Setting Operate LED Data LED Paper Out LED Character table On On On See Table 1 16 Print direction On Off Off Auto On Off Off Bi D Off On Off Uni D On On Off N...

Page 24: ...Off On On PC861 On On On BRASCII Blinks On On Abicomp Off Blinks On NLSP PC437 Greek Off Off On PC853 Blinks Off On PC855 Off On On PC852 On On On PC857 Blinks On On PC866 Off Blinks On PC869 On Blinks On MAZOWIA Blinks Blinks On Code MJK Off Off Blinks ISO 8859 7 On Off Blinks ISO Latin 1T Blinks Off Blinks Bulgaria Off On Blinks f Repeat d and e to change other printer settings The setting menu ...

Page 25: ...he INIT signal is active when the printer is turned on hardware initialization is started when the INIT signal becomes inactive When the hardware initialization is performed r The printer mechanism is initialized r Input data buffer is cleared r Downloaded character definitions are cleared r Print buffer is cleared r Default values are set 1 4 5 2 Software Initialization Software initialization is...

Page 26: ...pped with both a logic system and a power system The C164 MAIN Board is almost the same as the C162 MAIN Board except that the C164 board has no solenoid driving circuit for the ADF The C162 MAIN Board has a solenoid driver to operate the document feeder Table 1 18 Comparison between C164 MAIN and C162 MAIN Main Board C164 MAIN Board C162 MAIN Board DRAMs 1 2 ADF Plunger Driving Circuit None Equip...

Page 27: ...zes the power switch status 1 5 3 Control Panel C137 PNL Board The 15 LEDs on this board indicate error status there is no buzzer system By using the 6 buttons in combination with one another you can operate the printer in each protected mode cleaning color or black ink systems exchanging ink cartridges running a self test setting default values resetting the printer and EEPROM clearing L1 C1 R2 C...

Page 28: ...ack pump unit and a color pump unit Waste ink from each printhead flows into individual caps Power for the pump system and paper feed system is supplied by the paper feed motor This printer mechanism is based on Stylus Color s M 4A10 1 5 5 Housing The Stylus Pro s housing consists of the printer cover upper case and the lower case Attached to the housing is the front paper tray with paper separato...

Page 29: ...sm 2 11 2 2 8 Wiping Mechanism 2 12 2 3 OPERATING PRINCIPLES OF THE ELECTRICAL CIRCUITS 2 13 2 3 1 Operating Principles of the Power Supply Circuit 2 13 2 3 2 Operating Principles of the Main Control Circuit 2 14 2 3 2 1 Reset Circuits 2 15 2 3 2 2 Sensor Circuits 2 15 2 3 2 3 Carriage Motor Drive Circuit 2 16 2 3 2 4 Paper Feed Motor Drive Circuit 2 18 2 3 2 5 Printhead Drive Circuit 2 19 2 3 2 6...

Page 30: ... Diagram 2 14 Figure 2 18 Reset Circuit Block Diagram 2 15 Figure 2 19 Sensor Circuit Block Diagram 2 15 Figure 2 20 Carriage Motor Circuit Block Diagram 2 16 Figure 2 21 Serial Data Transfer Procedure 2 17 Figure 2 22 Paper Feed Motor Drive Circuit Diagram 2 18 Figure 2 23 Normal EPSON Micro Dot Switching Block Diagram 2 19 Figure 2 24 Trapezoidal Drive Waveform 2 19 Figure 2 25 Printhead Drive C...

Page 31: ...ter mechanism is composed of the printhead unit paper feed mechanism carriage drive mechanism pump mechanism and various sensors such as the Stylus Color s The figure below shows a functional block diagram of the printer mechanism Color Black Carriage Motor Paper Feed Motor Carriage Unit ASF Mechanism Disengage Lever Pickup Release Lever Paper Feed Mechanism Pump Unit Drive Mechanism Figure 2 1 Pr...

Page 32: ...er the printhead in this system is completely redesigned to make it more compact and ensure a high level of reliability just as with the Stylus Color The figure below shows the structure of the printhead and ink supply system Cartridge Needle Piezo Printhead Driver Board Nozzle Nozzle Plate Piezo Figure 2 2 Structure of Printhead Operating Principles Stylus Pro Service Manual 2 2 Rev A ...

Page 33: ...to the changes in the volume of the cavity A thermistor is attached to the side of the color printhead drive board to monitor the temperature because the viscosity of the ink varies depending on the temperature The detected temperature level is fed back to the printhead drive voltage control circuit to change the time of the Tc pulse The Tc pulse is shown in Section 2 3 2 5 EPSON Micro Dot Printin...

Page 34: ... stepping motor Drive Voltage 35 VDC 5 Coil Resistance 10 0 Ω 7 Drive Frequency 960 4800 PPS Excitation Mode Constant current unipolar drive micro step driving Table 2 2 Drive Terms CR Speed Frequency Phase Drive Method Acceleration Deceleration Steps Mode 1 200 CPS 4800 2400 r Acceleration Deceleration Area 2W1 2 phase 1 2 phase r Constant Area 1 2 phase Acceleration 40 5 110 55 Deceleration 32 4...

Page 35: ...0 mm Envelopes Vertical B 0 6 mm 2 2 4 Paper Feed Mechanism This printer s paper feed mechanism can feed paper only from the built in ASF auto sheet feeder The paper feed drive motor is a 4 phase 96 pole hybrid type stepping motor that directly drives the paper feed mechanism paper advancing operation paper pickup operation This motor also drives the pump mechanism but only when the printer is in ...

Page 36: ...50 240 Paper feed 391 970 240 Pump Drive 1 1800 1380 1380 1380 750 240 Pump Drive 2 300 1380 240 PF Pinch Roller Unit Pickup Roller Quenching Roller PF Transmission Gear PF Motor Pinion Gear Platen Drive Gear Paper Pickup Lever Cam Roller Hopper Frame Tension Spring Carriage Lever Figure 2 6 Paper Feed Mechanism Operating Principles Stylus Pro Service Manual 2 6 Rev A ...

Page 37: ...n tank r Wiping mechanism The figure below shows a diagram of the ink system Air Valve Black Head Color Head Pump 1 Pump 2 Ink Absorber Waste Ink Drain Tank Cleaning Blade for Color Black Head Pump Unit Friction Clutch Disengage Unit Platen Roller PF Motor Figure 2 7 Ink System Block Diagram Stylus Pro Service Manual Operating Principles Rev A 2 7 ...

Page 38: ...pump mechanism Pump system operation depends on the rotational direction of the paper feed drive motor as shown in Table 2 6 Drive Pump Mechanism Drive Switch Lever Set Carriage Pump Unit Platen Sub Frame Right Fram e Left F rame PF Motor Platen D rive G ear Hook Disengage Lever Pump Drive Gear Release Clutch Spring Figure 2 8 Pump Mechanism Block Diagram D E Lever D E Set Lever D E Reset Lever Ca...

Page 39: ...ve Pump Mechanism Drive Switch Lever Set Carriage Figure 2 10 Paper Feed Mechanism Carriage D E Reset Lever D E Lever Figure2 11 Switch Lever Reset Stylus Pro Service Manual Operating Principles Rev A 2 9 ...

Page 40: ... the tube out to the waste ink drain tank When the motor rotates CCW backward the black pulley pumps in the wheel pump unit rotate in the direction of the arrow while squeezing the ink tube to push the ink inside the tube out to the waste ink drain tank There are 2 pump rollers in the pump unit and the drive power is supplied from the paper feed motor via the pump drive gear D E gear which is move...

Page 41: ...e surface of the printhead nose when the printer is in the ink system sequence The wiper drive gear transmits power from the paper feed motor via the clutch gear When the wiper is raised up against the printhead surface the hook for securing the carriage to the home position is raised too When the wiper goes down toward the bottom frame the hook goes down too Both the black head and the color head...

Page 42: ...his printer is provided either by the C137 PSB board 120 VAC or the C137 PSE board 220 240 VAC Both boards are identical in design and functionality except for the components in the primary circuit that accommodate the specified input voltage The input voltage and the application of output voltages are summarized in the table below Table 2 7 DC Voltage Distribution Voltage Application 35 VDC Motor...

Page 43: ...tching circuit through a photocoupler PC1 to stop the 35 V generation 2 5 VDC line over current over voltage control circuit The output current is monitored by detection resistor R53 and fed back to 5 VDC generation switching control IC51 which monitors the output voltage This information is input to the internal comparator which outputs a HIGH signal to turn off transistor Q51 when the voltage or...

Page 44: ...93C46 IC12 to store certain parameters such as the printer mechanism control parameter default setting parameters as well as a special counter value used for printhead ink management protection The timer IC NJU6355E IC7 counts each time the printer is cleaned and keeps track of how long the printer is not used thereby allowing the printer to be cleared only when necessary CLK SD I O DMAREQ Data Bu...

Page 45: ... PE paper end sensor is built into the printer mechanism to determine whether there is paper in the printer or not A LOW level from the signal indicates that no paper is loaded BCO sensor CCO sensor Micro switches BCO sensor for the monochrome ink cartridge CCO sensor for the color ink cartridge are attached to the bottom of monochrome ink cartridge holder in the carriage unit When the ink cartrid...

Page 46: ...k counts from the E05B06 IC2 clock Each bit is read at the falling edges of these clock pulses As a result of this received serial data is set into the shift register and then shifts the latch register When the strobe pulse becomes active from the E05B06 IC2 serial data is moved into the reference voltage selection circuit and the voltage is changed Therefore when the printer is in the constant sp...

Page 47: ...3 bit 4 bit STRB 4 bit Serial Data CLK 4 bit Shift Register Latch SLA7041 Phase a b c 1 bit 2 bit 3 bit 4 bit Vref Voltage Selection Circuit Vref To Motor Phase Signal 5 V Vref STRB CLK Reading of serial data from the phase signal in order At this time the reference voltage selection circuit checks phase signal outputs Figure 2 21 Serial Data Transfer Procedure Stylus Pro Service Manual Operating ...

Page 48: ... the paper feed mechanism but also the pump unit Refer to Section 2 2 4 Table 2 9 Paper Feed Motor Drive Modes Mode Phase Excitation Drive Frequency Paper feed 2 2 phase or 2W1 2 phase 391 or 1600 pps Pump drive 2 2 phase 300 or 1800 pps E05A96 IC2 41 40 43 42 PFB PFSTB CLKA 5 16 2 13 PFA SLA7041MS IC14 CLKB STBA STBB DATA A DATA B 6 17 PFVRF REF A REF B PFHLD RSA RSB 3 14 9 10 PFCLK PB8 PB13 B E ...

Page 49: ...After this the nozzle selected by the head data is activated to eject ink Normal Dot EPSON Micro Dot Printing Mode The Stylus Color Pro produces two types of ink ejection normal print mode and EPSON Micro Dot Mode The signals for switching ink ejection modes are SELM for normal dot printing and SELN for EPSON Micro Dot printing These signals are output from pin 49 and pin 50 of gate array E05B09 t...

Page 50: ...ported into the memory bypassing the CPU Common Driver E05B09 IC2 BPW C BPW D BLAT BCL K BCLKIN BS O C PW C C PW D CLAT CCLK CCLKIN CSO 1 3 14 19 18 1 7 2 0 15 1 6 2 3 22 21 24 Common Driver COM1 8 COM1 6 SED5620D U1 C N 11 C N 1 6 8 LAT 69 6 7 C N 11 C N 1 CLK S I LAT CLK SI 68 69 67 DO64 49 DO48 33 DO32 17 DO16 1 Row A Row B Row C Row D DO64 49 DO48 33 DO32 17 DO16 1 Row R Magenta Row S Cyan Row...

Page 51: ...he H8 CPU and the 2 CAS DRAM Table 2 10 Junction Method CPU 2 CAS DRAM CPU 2 CAS DRAM HWR UCAS LWR LCAS CS3 RAS RD WR This method of the DRAM refresh is only used for the CAS before RAS cycle method The following figure shows the timing of each cycle UCAS LCAS RAS W R A S Read Write Cycle Write Cycle Read Cycle UCAS LCAS RAS W R A S Refresh Cycle Figure 2 27 Junction Method CPU DRAM Stylus Pro Ser...

Page 52: ... to ensure that the nozzle fires and that no dots are skipped during printing This operation is performed by pressing the cleaning switch Alt Load Eject or Economy Condensed while the printer is in PAUSE status 3 Micro Absorbing Cleaning Operation This operation prevents an increase in the viscosity of ink in the printhead using ink absorbing discharge 4 Power Off Operation This operation ensures ...

Page 53: ...e cartridge is removed it is possible for a small amount of air to form small air bubbles that can block the ink from the nozzle This operation eliminates small air bubbles from the cavity of the printhead 16 Carriage Lock Set This operation prevents the carriage from moving out of the home position if the printer is turned off or is paused This operation is performed when the carriage is in the i...

Page 54: ... on this data is stored in the RAM on the main board n Protect counter A This counter is used to manage the total amount of drained ink If the counter value is equal to or exceeds 40000 the printer indicates an error on the control panel that maintenance is required Notes for Service Protect counter A is reset 1 Upon shipment from the factory 2 After maintenance is performed when the ink drain tan...

Page 55: ...ain Ink Pad Removal 3 18 LIST OF FIGURES Figure 3 1 Disassembly Flowchart 3 2 Figure 3 2 C137 Control Panel Removal 3 3 Figure 3 3 Upper Case Removal 3 3 Figure 3 4 Power Supply Unit Removal 3 4 Figure 3 5 Main Controller Removal 3 5 Figure 3 6 Printer Mechanism M 4A11 Removal 3 7 Figure 3 7 Ink Cartridge Clamp Removal 3 8 Figure 3 8 Ink Carriage Holder Removal 3 9 Figure 3 10 Printhead Resistance...

Page 56: ... part of the battery Doing so may result in leakage of electrolyte from the battery burning or explosion The leakage may affect other devices close to the battery 4 Do not charge the battery An explosive gas may be generated inside the battery and cause burning or explosion 5 Do not dismantle the battery The gas inside the battery may hurt your throat Leakage burning or explosion may also result 6...

Page 57: ...ter Mechanism M 4A10 Removal 3 2 4 Page 3 7 Printhead Unit Removal 3 2 5 1 Page 3 8 Carriage Unit Removal 3 2 5 2 Page 3 10 3 2 5 7 Page 3 14 Carriage Home Position Sensor Removal 3 2 5 10 Page 3 16 Upper Frame Removal Pump Unit Removal 3 2 5 3 Page 3 11 A B CR Motor Removal 3 2 5 5 Page 3 13 A B 3 2 5 9 Page 3 15 PF Roller Assembly Removal A 3 2 5 8 Page 3 14 PE Sensor Removal B Cleaner Head Remo...

Page 58: ... disconnect the connector on the C137 PNL Board 5 Remove 2 CBB M3 11 screws securing the upper case to the lower case 6 Release 2 tabs by inserting a flathead screwdriver into the holes at the bottom of the lower case as shown in the figure below 7 Remove the upper case by lifting the front side DISASSEMBLY ASSEMBLY POINT Hold the upper case firmly and pull it to remove it while you release the ta...

Page 59: ...crew fixing the earth line from the AC cable to the earth plate 5 Remove the wire harness for the motors in the locking tab on the shield plate and take the shield plate out by pulling upward toward the back of the printer 6 Remove the power supply unit by pulling it upward toward the back of the printer CAUTION As the shield plates of C164 MAIN and C137 PSB PSE have sharp edges so take care in ha...

Page 60: ...o the lower shield plate 5 Remove 4 CBB M3 12 screws securing the upper shield plate to the lower case 6 Remove 2 CBB M3 12 screws securing the main controller C164 MAIN Board to the lower case and remove it by pulling it upward toward the back of the printer 7 Disconnect the cables from the connectors CN5 CN6 CN7 CN8 CN9 CN10 CN11 and CN12 of the C164 MAIN board CBB M3x12 CBS M3x8 Lower Grounding...

Page 61: ...the black color indicates the 1 pin of the CN7 r When you replace the main board block resistances RM4 RM5 RM11 and RM12 must be re installed at same position on new board REQUIRED ADJUSTMENT r When replacing the main controller board adjust both the head gap and the Bi D adjustment alignment and input the destination parameter into the EEPROM on the C164 MAIN Board See Chapter 4 r When you replac...

Page 62: ...m check that the waste ink drain tube is properly inserted between the lower case and the waste ink absorbing material CAUTION r When the printhead or the printer mechanism is replaced the block resistor must be replaced at locations RM4 RM5 RM11 and RM12 on the C164 MAIN Board Every spare printhead or spare printer mechanism comes with a block resistor that is specifically selected for each print...

Page 63: ... follows Monochrome 1020626 YMC 1020627 r Ink cartridges should never be kept longer than 6 months 4 Push the 2 hooks from the inside of ink carriage holder with tweezers push the ink cartridge clamp monochrome color to remove the clamps from ink carriage holder 5 Remove the 3 CBB M3 11 screws and 3 plain washers securing the ink cartridge holder to the carriage base and then lift the ink cartridg...

Page 64: ...g the edges of the printhead r When the printhead or the printer mechanism is replaced the block resistor must be replaced at location RM4 for Normal Dot R RM5 for Micro Dot M RM11 for Normal Dot R and RM12 for Micro Dot M on the C164 MAIN Board Every spare printhead or spare printer mechanism comes with a block resistor that is specifically selected for each printhead And the resistance value of ...

Page 65: ... the following adjustments are needed 1 Color head angle adjustment See Section 4 1 6 2 Black head angle adjustment See Section 4 1 4 3 Black Color head vertical adjustment See Section 4 1 5 4 Head gap adjustment See Section 4 1 3 5 Bi D alignment adjustment See Section 4 1 2 WARNING r When removing the color or black head do not lose the spacer that is fixed to each head This spacer modifies the ...

Page 66: ...th the carriage guide shaft out of the printer mechanism CAUTION r Take proper measures to protect the printhead unit from static electricity because the driver IC is directly attached to the printhead unit r Never touch the metallic nozzle surface cover of the printhead Handle it only by holding the edges of the printhead r When the printhead or the printer mechanism is replaced the block resisto...

Page 67: ...2 3 Remove the CBS M3 6 screw securing the pump unit to the bottom frame 4 Push the pump unit outward while releasing the tab at the bottom side of the pump unit and then lift up the pump unit CBS M3x6 Bottom Frame Pump Unit 1 2 2 Figure 3 14 Pump Unit Removal Disassembly and Assembly Stylus Pro Service Manual 3 12 Rev A ...

Page 68: ...ystem working properly in the printhead and it directly affects printing quality Therefore handle the cleaner head very carefully and observe the following precautions r Never touch the cleaner head with your bare hands r When attaching the cleaner head to the pump unit wear gloves and use clean tweezers to handle it Cleaner Head Hook Cleaning Lever Figure 3 15 Cleaner Head Replacement Stylus Pro ...

Page 69: ...g the CR motor to the upper frame and then remove the CR motor 3 2 5 6 PF Motor Removal 1 Remove the printer mechanism See Section 3 2 4 2 Remove the 2 CBS M3 6 screws and then remove the PF motor Screws CR Motor Figure 3 16 CR Motor Removal PF Motor CBS M3x6 Figure 3 17 PF Motor Removal Disassembly and Assembly Stylus Pro Service Manual 3 14 Rev A ...

Page 70: ... 5 8 PE Sensor Removal 1 Remove the printer mechanism See Section 3 2 4 2 Disconnect the connector for the PE sensor 3 Rotate the printer mechanism upside down use tweezers to release the 2 hooks securing the PE sensor to the paper feed roller assembly Then remove the PE sensor Sensor Cable Carriage Home Position Sensor Figure 3 18 Carriage Home Position Sensor Removal Sensor Cable PE Sensor Botto...

Page 71: ... frame 5 Remove 1 CBS M3 6 screw securing the tension roller assembly to the sub frame and remove the tension roller assembly 6 Release the 2 bushings securing the paper feed roller assembly to both the left side frame and the sub frame Then remove the paper feed roller assembly Tension Spring CBS M3x6 Tosion Spring Tension Roller Assembly Figure 3 20 Tension Roller Assembly Removal Paper Feed Rol...

Page 72: ...ecuring the upper frame to both side frames and the sub frame 5 Remove the upper frame with 4 PF support rollers ASSEMBLY POINT Assemble each straight end of the torsion spring 6700s to attach them to the center of the driven roller support CBS M3x6 E ring Tension Spring Knob CBS M3x6 Upper Frame Figure 3 22 Upper Frame Removal Driven Roller Support Upper Frame Torsion Spring 6700 Figure 3 23 Atta...

Page 73: ...ttons to reset the protect counter Refer to Section 2 4 2 o The protect counter value is shown in the first line of printing in the default setting mode The first line consists of the ROM version number the protect counter value and nozzle check patterns o At any time if the protect counter value is more than 32000 replace the drain ink pad CAUTION After resetting the protect counter perform the d...

Page 74: ...hickness 4 5 Figure 4 4 Black Head Angle Adjustment Sample 4 6 Figure 4 5 Head Gap Adjustment Sample 4 6 Figure 4 6 Removing the Rubber Cap 4 7 Figure 4 7 Spacer Angular Replacement Method 4 8 Figure 4 8 Black Color Head Vertical Adjust Conception 4 9 Figure 4 9 Spacer Linear Selection Sample 4 9 Figure 4 10 Spacer Linear Replacement Method 4 10 Figure 4 11 C Head Angle and Spacer Angular Position...

Page 75: ...ntents Adjustment Contents When replacing the M 4A11 printer mechanism 1 Bi D alignment adjustment See Section 4 1 2 2 Head gap adjustment See Section 4 1 3 3 Internal timer reset operation See Section 4 1 8 When replacing or disassembling the C164 MAIN board or printer mechanism 1 Destination data writing operation See Section 4 1 1 2 Bi D alignment adjustment See Section 4 1 2 3 Head gap adjustm...

Page 76: ...ng 2 Head Angle Confirmation Pattern Printing Black Head Spacer Selection 3 Head Vertical Position Confirmation 4 Head Gap Adjustment 5 Bi D Adjustment 6 Internal Timer Reset 7 END 3 When the main menu appears choose Destination Setting by typing 1 and Enter 4 The main menu immediately disappears briefly and then reappears At this time specific destination parameters including the destination inte...

Page 77: ...nting Black Head Spacer Selection 3 Head Vertical Position Confirmation 4 Head Gap Adjustment 5 Bi D Adjustment 6 Internal Timer Reset 7 END 3 When the main menu appears choose Bi D Adjustment by typing 5 and Enter The printer prints the check pattern with a sample compensation value 4 The following menu appears on the display Input Bi D value No If OK input Y key _ 5 If the sample printing is not...

Page 78: ...by typing 4 and ENTER The printer prints a check pattern with a sample compensation value 4 The printer prints a sample like the one shown in Figure 4 1 5 If the sample print is not vertically aligned for both odd numbered lines black lines and even numbered lines magenta lines enter a compensation value in the range from 16 to 16 Positive compensation value Shifts the 2nd line to the left Negativ...

Page 79: ...ows the relationship between the shape and thickness Black Head Angle Adjustment Concept Black Head Reverse Side Head Base Carriage Angular Spacer Linear Spacer Spacer Setting Position Figure 4 2 Black Head Angular and Linear Spacers 0 05 0 10 0 15 0 20 0 25 0 05 0 12 0 19 0 26 0 33 0 47 0 54 0 61 0 68 0 75 0 40 Angular Spacers For Black Head Linear Spacers Only Use for Black Head Spacer Name Spac...

Page 80: ...u replace the black head and print the black head angle pattern you only have to insert an angular spacer if the pattern is incorrect 4 The printer prints a pattern like one in the following sample Only the nozzles in rows A and D are fired making it is easy to see the angle of the black head 5 In the figure above pay attention to position A Do not look at position B 6 Using the following flowchar...

Page 81: ...re returning the printer to the user During this adjustment use ink cartridges exclusively for service Monochrome 1020626 CMY 1020627 You can reuse old ink cartridges for other purposes 10 Replace the angular spacer for the black head with a new one referring Figure 4 7 Replace the angular spacer by using tweezers to push the head base toward the rear 1 Push Carriage Unit Platen Gap Adjust Lever L...

Page 82: ...in until the head angle is correct WARNING The angular spacer comes in five thicknesses Continue performing this adjustment by changing the black head angle is correct When inserting an angular spacer always place the angular spacer on the linear spacer 1 Push Carriage Unit Platen Gap Adjust Lever Linear Spacer Black Head Head Base Angular Spacer 2 Replace Angular Spacer Replacement Position Figur...

Page 83: ...Pattern Printing Black Head Spacer Selection 3 Head Vertical Position Confirmation 4 Head Gap Adjustment 5 Bi D Adjustment 6 Internal Timer Reset 7 END 3 When the main menu appears choose Head Vertical Position Confirmation by typing 3 and ENTER The printer prints the check pattern along with the sample name WARNING When replacing the black head always adjust the black head angle first because the...

Page 84: ... necessary replace the linear spacer For instance if your pattern is similar to the pattern shown under 2 replace the linear spacer with a thinner linear spacer If your pattern is similar to the pattern shown under 2 replace the linear spacer with a thicker spacer 5 Turn the printer off 6 Move the carriage to the center while pressing the carriage lock lever and remove the two ink cartridges 7 Rem...

Page 85: ...ample print is correct If the sample is incorrect change the thickness of the linear spacer and perform this adjustment again until the two black and magenta lines are aligned at the position OK 0 10 When you complete this adjustment exit the BASIC program and turn off the printer 1 Push Carriage Unit Platen Gap Adjust Lever 2 Replace Black Head Head Base Linear Spacer x 2 Linear Spacer Replacemen...

Page 86: ...arget printer and turn the printer on 2 Execute BASIC on the PC and run the program VERxxx BAS 1 Destination Setting 2 Head Angle Confirmation Pattern Printing Black Head Spacer Selection 3 Head Vertical Position Confirmation 4 Head Gap Adjustment 5 Bi D Adjustment 6 Internal Timer Reset 7 END 3 When the main menu appears choose Head Angle Confirmation Pattern Printing by typing 2 and ENTER The pr...

Page 87: ...t procedure is explained beginning in step 5 5 Turn off the printer now 6 Move the carriage to the center manually and loosen but do not remove the screw securing the color head to the carriage 0 30 0 35 0 40 0 45 0 50 Angular Spacer for Color Head Spacer Name Thickness Shape angular spacer YMC angular spacer YMC B angular spacer YMC C angular spacer YMC D angular spacer YMC E Figure 4 14 Relation...

Page 88: ...e 3 screws Refer to the figure below 8 Replace the angular spacer on the left side with a new one referring the figure below Replace the angular spacer using tweezers to push the head base toward the rear Rubber Cap Screw 1 Screw 2 Screw 3 Figure 4 16 Removing the Rubber Cap Adjustments Stylus Pro XL 4 14 Rev A ...

Page 89: ...the upper lines in the sample are aligned with one another and the lower lines in the sample are exactly equidistant to one another as shown at B in Figure 4 15 11 When you complete this adjustment turn off the printer 1 Push Carriage Unit Color Head 2 Replace Angular Spacer one side only Platen Gap Adjust Lever Head Base Figure 4 17 YMC Angular Spacer Replacement Stylus Pro XL Adjustments Rev A 4...

Page 90: ...kness gauge 4 After attaching the printheads to the gauge surface verify that the gap between the carriage roller and the front frame is less than 0 04 mm See Figure 4 16 5 Attach the 1 1 mm thickness gauge to the right side adjustment position on the paper guide plate as shown below so that one side hooks the paper feed pinch roller unit Note When checking the gap between the carriage roller and ...

Page 91: ...er and turn on the printer 2 Execute BASIC on the PC and run the VERxxx BAS program 1 Destination Setting 2 Head Angle Confirmation Pattern Printing Black Head Spacer Selection 3 Head Vertical Position Confirmation 4 Head Gap Adjustment 5 Bi D Adjustment 6 Internal Timer Reset 7 END 3 When the main menu appears choose Internal timer reset by typing 6 and ENTER This resets the internal timer The fo...

Page 92: ...l 5 8 5 3 UNIT REPAIR C137 PSB PSE BOARD 5 9 5 4 UNIT REPAIR C164 MAIN BOARD 5 10 5 5 UNIT REPAIR PRINTER MECHANISM M 4A11 5 12 LIST OF FIGURES Figure 5 1 Troubleshooting Process Flowchart 5 1 LIST OF TABLES Table 5 1 Motor Coil Resistance Test Points 5 1 Table 5 2 Sensor Status 5 1 Table 5 3 Sensor Test Points 5 2 Table 5 4 Error Codes 5 2 Table 5 5 Symptoms and Problems 5 3 Table 5 6 Repair of t...

Page 93: ...onnect Motor from Main Board and Check it with Printer Power Off Meter Reading CR Motor CN6 5 1 2 3 4 Place one lead on pin 5 and the other lead on each of the 4 test pins to check the two motor phases 10 0Ω 10 At 25 C 77 F PF Motor CN7 5 1 2 3 4 Place one lead on pin 5 and the other lead on each of the 4 test pins to check the two motor phases 11 5 Ω 10 At 25 C 77 F START UNIT LEVEL TROUBLESHOOTI...

Page 94: ...n open and short open active BCO Sensor CN11 Place one lead on pin 8 and the other lead on pin 1 Toggle the sensor by inserting and removing a monochrome ink cartridge Meter should toggle between open and short CCO Sensor CN12 Place one lead on pin 8 and the other lead on pin 1 Toggle the sensor by inserting and removing a color ink cartridge Meter should toggle between open and short Table 5 4 Er...

Page 95: ...m Flowchart No Printer does not operate at power on LEDs do not light up Printer mechanism does not operate 1 Error is detected Error is indicated by LED indication 2 Failure occurs during printing Printing is not performed Abnormal printing missing dots etc Print quality is poor 3 Printer does not feed the paper correctly No paper is fed Paper feed is irregular Paper jam occurs 4 Control panel op...

Page 96: ... Replace the C137 MAIN board Is the problem corrected END Use the correct input voltage Replace the fuse and disconnect CN5 on the C164 MAIN board Replace the C137 PSB PSE board Does the fuse blow again at power on Check motors and drivers Refer to the section describing repair of the printer mechanism YES NO YES NO YES NO YES NO YES NO Flowchart 1 Troubleshooting Stylus Pro Service Manual 5 4 Rev...

Page 97: ...ff and try to move the carriage manually Does the carriage move smoothly Replace the ink cartridge with a new one Does error occur again Check CR motor and drivers If they are OK replace the C164 MAIN board Refer to the section describing repair of the printer mechanism END Is the problem corrected END YES YES YES YES NO NO NO NO YES NO Check ink cartridge sensor and if bad replace Flowchart 2 Sty...

Page 98: ...rs drivers and printhead for shorts If they are OK replace the C164 MAIN board See the section describing repair of the printer mechanism Is the problem corrected END END YES YES YES NO NO NO YES YES YES NO NO NO Adjust the bidirectional print alignment or readjust the head arrangement adjustment See Chapter 4 Check all motors drivers and printhead for shorts If they are OK replace the C164 MAIN b...

Page 99: ...ath is clear Also confirm that there are no foreign objects that may interfere with paper movement Check the PF motor and drivers If OK replace the C164 MAIN board Is the problem corrected Is the problem corrected See the section describing repair of the printer mechanism END END YES YES NO NO YES YES NO NO Flowchart 4 Stylus Pro Service Manual Troubleshooting Rev A 5 7 ...

Page 100: ...rol panel connected properly Connect the control panel correctly Replace the control panel Is the problem corrected Is the problem corrected Replace the C164 MAIN board END YES YES NO NO END YES NO Flowchart 5 Troubleshooting Stylus Pro Service Manual 5 8 Rev A ...

Page 101: ...vel of the corrector side Correct voltage is as follows Power Switch OFF 1 8 VDC Power Switch On 0 VDC Replace ZD52 Q82 or PC1 The printer does not operate at all 35 V line is dead Check the 35 V line Check the oscillation waveform and switching waveform of IC51 Oscillation waveform IC51 pin 5 IC51 is dead 5 V line is dead Replace IC51 Switching waveform IC51 pin 8 Auto capping operation is invali...

Page 102: ...ot operate normally when you turn the printer on or off The reset circuit dose not operate Replace IC13 or IC8 Selection of control ROM is abnormal Check pin 2 of IC3 for a change in the signal HIGH LOW Either CG or RAM is defective Replace CG or RAM CPU is defective Check the osillator signal at either pin 75 or 74 of the CPU If ssignal is detected replace CPU Otherwise replace CR1 The carriage d...

Page 103: ...Check the output signal at pin 13 or 14 and pin 15 or 16 of IC2 Replace IC2 Printhead is defective Replace printhead Paper feed does not operate normally The paper feed motor does not rotate IC2 is defective Check the serial signal output from pin 40 or 41 of IC2 to the driver IC14 Replace IC2 IC14 is defective Check the output signal at pin 1 8 or 11 18 of IC14 Replace IC14 Table 5 7 Repair of th...

Page 104: ... be absorbed normally Replace the pump unit The printhead is defective Replace the printhead to see if this causes the ink to be absorbed normally Replace the printhead The carriage motor does not rotate The carriage motor fails to rotate at power on Foreign substances are lodged in the mechanism gears Manually drive the timing belt to see if the carriage motor rotates Remove any foreign substance...

Page 105: ...clean Check the front of the printhead Clean The ink cartridge is used up Check whether the ink cartridge is empty Replace the ink cartridge Insufficient head cable contact Check whether the cable is properly plugged into the connector Plug the cable into the connector properly Check whether the printhead is clean Clean The printhead is defective Replace the printhead to see if this causes printin...

Page 106: ... Foreign substance is lodged in the paper path Visually check the paper path Remove any foreign substance Paper feeding gears are defective Visually check the gears Replace defective gears The paper feed motor is defective Measure the coil resistance of the PF motor Replace the PF motor Troubleshooting Stylus Pro Service Manual 5 14 Rev A ...

Page 107: ... Cleaning 6 2 6 2 2 Waste Ink Drain Tank Replacement 6 2 6 3 LUBRICATION AND ADHESIVE 6 3 LIST OF FIGURES Figure 6 1 Lubrication Points and Adhesive Points 1 6 5 Figure 6 2 Lubrication Points and Adhesive Points 2 6 6 LIST OF TABLES Table 6 1 Recommended Lubricants 6 3 Table 6 2 Lubrication and Adhesive Points 6 3 ...

Page 108: ...of the printer CAUTION Do not use a hard or abrasive brush for cleaning Be careful not to damage the components of the printer when using a vacuum cleaner A lithium battery is installed on the C164 MAIN board of this printer Be sure to observe the following instructions when servicing the printer or storing the after service parts 1 Keep the battery away from any metal or other batteries so that e...

Page 109: ... panel button operation is accepted by the printer the PAUSE LED flashes during the cleaning cycle When the cleaning completes the PAUSE LED stops flashing and the printer returns to standby mode 6 2 2 Waste Ink Drain Tank Replacement The printer counts the total amount of ink drained to the waste ink drain tank and this information is stored in the EEPROM on the main board in Protect Counter A Th...

Page 110: ...embly 8 Contact surface of the right side of the front paper guide and the eject roller assembly G 36 1 3 mg 9 Right end point of the eject roller assembly G 20 1 3 mg 10 Contact surfaces of the shaft and combination gear 13 5 22 and the combination gear holder on the sub frame assembly G 36 1 3 mg 11 The teeth of gear 22 5 G 36 1 3 mg 12 The teeth of combination gear 28 17 5 14 End points of the ...

Page 111: ...CAUTION Do not apply too much lubricant as it may stain the mechanism as well as a cause a mechanism malfunction Maintenance Stylus Pro Service Manual 6 4 Rev A ...

Page 112: ...2 1 17 17 22 30 21 27 9 8 7 4 4 6 5 11 12 20 Figure 6 1 Lubrication Points and Adhesive Points 1 Stylus Pro Service Manual Maintenance Rev A 6 5 ...

Page 113: ...16 3 19 18 18 14 14 28 10 3 1 1 2 2 1 1 2 2 Lubrication Point Adhesive Point Figure 6 2 Lubrication Points and Adhesive Points 2 Maintenance Stylus Pro Service Manual 6 6 Rev A ...

Page 114: ...7 PNL Board Component Layout A 16 Figure A 10 Stylus Color Pro Exploded Diagram 1 A 17 Figure A 11 Stylus Color Pro Exploded Diagram 2 A 18 Figure A 12 Stylus Color Pro Exploded Diagram 3 A 19 LIST OF TABLES Table A 1 Connector Summary A 2 Table A 2 Connector Pin Assignments CN1 A 2 Table A 3 Connector Pin Assignments CN2 A 3 Table A 4 Connector Pin Assignments CN3 A 3 Table A 5 Connector Pin Assi...

Page 115: ...t C137 PNL C164 MAIN CN1 CN5 CN11 CN 9 C N8 CN7 CN6 CN10 CN CN CN Parallel I F HP Sensor Printhead Unit PF Motor CR Motor P E Sensor Printer Mechanism M 4A11 CN 2 Type B Parallel I F CN 3 RS 422 Serial I F CN 4 Option CG Board JPN only C N12 Black Color CN Figure A 1 Interconnection of Major Components Stylus Pro Service Manual Appendix Rev A A 1 ...

Page 116: ...2 Color head nozzle selector and common driver C137 PSB PSE CN1 2 AC inlet L N CN2 8 DC output 5 V 35 V C137 PNL CN1 20 to C164 MAIN Table A 2 Connector Pin Assignments CN1 Pin I O Name Description 1 I STB Strobe signal 2 9 I DATA1 8 Data strobe signal 10 O ACK ACK signal 11 O BUSY Busy signal 12 O PE Paper end signal 13 O SLCT Printer select signal 14 I AFXT Auto line feed signal 15 NC Not connec...

Page 117: ...e ready signal 15 O RDREQ Read request signal 16 O HWR High write signal 17 O RD Read signal 18 O CS Chip select signal 19 24 GND Ground 25 28 I O A3 A0 Address bus signal 3 0 29 36 I O D15 D8 Data bus signal 15 8 Table A 4 Connector Pin Assignments CN3 Pin I O Name Description 1 DTR Data terminal ready 2 NC Not connected 3 O TXD Transmit data 4 GND Ground 5 I RXD Receive data 6 O TXD Transmit dat...

Page 118: ...6 Pin I O Name Description 1 O CRA Phase A drive signal 2 O CR A Phase A drive signal 3 O CRB Phase B drive signal 4 O CR B Phase B drive signal 5 O CRCOM Carriage drive power common voltage Table A 7 Connector Pin Assignments CN7 Pin I O Name Description 1 O PFA Phase A drive signal 2 O PF A Phase A drive signal 3 O PFB Phase B drive signal 4 O PF B Phase B drive signal 5 O PFCOM Carriage drive p...

Page 119: ...nal 2 GND Ground 3 O HPV Sensor drive power supply Table A 10 Connector Pin Assignments CN10 Pin I O Name Description 1 3 5 7 GND Ground 2 O LDATA LED data 4 O LCLK Clock signal for LED drive 6 O LLAT LED data latch signal 8 O LCLR LED data reset signal 9 11 19 20 I 5 V LED driver and power 10 12 16 I SW0 5 Switch 0 5 input signal 17 I PSW Power switch 18 I PSC Power scan Stylus Pro Service Manual...

Page 120: ...or 10 NC Not connected 11 16 O GP Ground 17 22 O COM Common voltage for printhead drive Table A 12 Connector Pin Assignments CN12 Pin I O Name Description 1 GND Ground 2 O CCLK Clock signal for color head 3 GND Ground 4 O CLAT Latch signal for color head 5 GND Ground 6 O CSI Color head serial data output 7 GND Ground 8 O CCO Color cartridge out sensor 9 I 5 V Power supply for cartridge out sensor ...

Page 121: ...A 2 CIRCUIT DIAGRAMS Figure A 2 C164 MAIN Board Circuit Diagram 1 Stylus Pro Service Manual Appendix Rev A A 7 ...

Page 122: ... 5 IC6 Q2 R135 and CN13 are not mounted on the C164 MAIN Board Stylus Pro ...

Page 123: ...Figure A 3 C164 MAIN Board Circuit Diagram 2 Stylus Pro Service Manual Appendix Rev A A 9 ...

Page 124: ...Figure A 4 C137 PSB Board Circuit Diagram Stylus Pro Service Manual Appendix Rev A A 11 ...

Page 125: ...Figure A 5 C137 PSE Board Circuit Diagram Rev A A 12 A 12 Rev A ...

Page 126: ...Figure A 6 C137 PNL Board Circuit Diagram Stylus Pro Service Manual Appendix Rev A A 13 ...

Page 127: ...A 3 CIRCUIT BOARD COMPONENT LAYOUTS Figure A 7 C164 MAIN Board Component Layout Rev A A 14 A 14 Rev A ...

Page 128: ...Figure A 8 C137 PSB PSE Board Component Layout Stylus Pro Service Manual Appendix Rev A A 15 ...

Page 129: ...Figure A 9 C137 PNL Board Component Layout Rev A A 16 A 16 Rev A ...

Page 130: ...A 4 EXPLODED DIAGRAMS Figure A 10 Stylus Color Pro Exploded Diagram 1 Stylus Pro Service Manual Appendix Rev A A 17 ...

Page 131: ...Figure A 11 Stylus Color Pro Exploded Diagram 2 Rev A A 18 A 18 Rev A ...

Page 132: ...Figure A 12 Stylus Color Pro Exploded Diagram 3 Stylus Pro Service Manual Appendix Rev A A 19 ...

Page 133: ...Bind Head Screw M3x12 C B B SCREW M3x12 123 Bind Head Screw M3x12 C B S SCREW M3x12 124 Bind Head Screw M3x8 C B S SCREW M3x8 125 Bind Head Screw M4x8 with Plane Washer C B O SCREW M4x8 126 Hexagon Nut M4 HEXAGON NUT M4 127 Bind Head USCA Screw 3x6 C B USCA 3x6 128 Bind Head Screw 4x14 C B SCREW 4x14 130 Ink Pad POROUS PAD INK EJECT 131 Front Printer Cover COVER PRINTER FRONT 132 B Paper Support C...

Page 134: ...4 0AA 517 Front Paper Guide PAPER GUIDE FRONT 518 Paper Load Roller Assembly ROLLER ASSY PAPER LOAD 519 Paper Load Support Roller ROLLER PAPER LOAD SUPPORT 520 B Rear Paper Guide Assembly PAPER GUIDE ASSY REAR B 521 PF Support Roller ROLLER PF SUPPORT 522 PF Support Holder HOLDER PF SUPPORT 523 Torsion Spring TORSION SPRING 5800 524 PE Harness HARNESS PE 525 PF Stepping Motor STEPPING MOTOR PF 526...

Page 135: ...lder Assembly HOLDER ASSY PAPER EJECT B 555 Eject Frame FRAME EJ B 556 Paper Eject Roller Assembly ROLLER ASSY PAPER EJECT 557 Paper Eject Clutch CLUTCH PAPER EJECT 558 Edge Guide Slider SLIDER EDGE GUIDE 559 Bushing BUSHING 6 560 Head Fastening Pressure Plate PRESSING PLATE FASTEN HEAD 561 Black Head Base BASE HEAD BK 562 Color Head Base BASE HEAD YMC 563 Upper Head Cable Holder HOLDER HEAD CABLE...

Page 136: ...ear SPUR GEAR 9 598 Spur Gear SPUR GEAR 19 599 Combination Gear COMBINATION GEAR 21 5 9 600 Combination Gear COMBINATION GEAR 21 5 9 601 Combination Gear COMBINATION GEAR 28 17 5 602 Extension Spring EXTENSION SPRING 1937 603 Extension Spring EXTENSION SPRING 1 6 604 Compression Spring COMPRESSION SPRING 90 605 Torsion Spring TORSION SPRING 90 606 Torsion Spring TORSION SPRING 15000 607 Extension ...

Page 137: ...IN 639 Ball Bearing BALL BEARING 641 Wire Saddle WIRE SADDLE 642 Clamp CLAMP 643 Retaining Ring 3 RETAINING RING TYPE E 3 644 Retaining Ring 4 RETAINING RING TYPE E 4 645 Retaining Ring 5 RETAINING RING TYPE E 5 646 Retaining Ring 2 3 RETAINING RING TYPE E 2 3 647 Bind Head Screw M3x6 C B SCREW M3x6 648 Bind Head Screw M3X6 C B S SCREW M3X6 649 Bind Head Screw M3x6 with Plain Washer C B S O SCREW ...

Page 138: ...Cerdanyola del Valles 20099 Sesto S Giovanni MI Italy Barcelona Spain Phone 02 262331 Phone 582 15 00 Fax 02 2440750 Fax 582 15 55 EPSON AUSTRALIA PTY LTD EPSON SINGAPORE PTE LTD 1 70 Gibbes Street No 1 Raffles Place 26 00 Chatswood 2067 NSW Australia OUB Centre Singapore 0104 Phone 02 415 9000 Phone 5330477 Fax 02 417 0077 Fax 5338119 EPSON HONG KONG LTD EPSON ELECTRONICS TRADING LTD 20 F Harbour...

Page 139: ...EPSON Printed in Japan 95 05 30 A ...

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