Epson Stylus Color 640- Manuals

Page 3 - PRECAUTIONS; DANGER; MAINTENANCE OR REPAIR PROCEDURES.; WARNING; REPLACING PRINTED CIRCUIT BOARDS AND/OR INDIVIDUAL CHIPS.

PRECAUTIONS Precautionary notations throughout the text are categorized relative to 1)Personal injury and 2) damage to equipment. DANGER Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great caution should be exercised in performing procedures preceded by DA...

Page 4 - PREFACE; Provides a general overview and specifications of the product.

PREFACE This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of Stylus Color 440/640/740. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the prec...

Page 5 - REVISION STATUS; Date; All

REVISION STATUS Rev. Date Page(s) Contents A 1998/07/15 All First Release B 1998/09/30 Page 188 Pages 195 to 212 The exploded diagrams and part list for the Stylus Color 740 has been added.

Page 8 - PRODUCT DESCRIPTION

Page 10 - Items

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 10 Table 1-1. Consumables Available for Stylus Color 440/640/740 Items Codes Remarks Black Ink Cartridge S020189 Stylus Color 740 Black Ink Cartridge S020187 Stylus Color 440,640 CMY Ink Cartridge S020191 Stylus Color 440,640,74...

Page 12 - Figure 1-1. Nozzle Configuration for Stylus Color 440

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 12 Figure 1-1. Nozzle Configuration for Stylus Color 440 Figure 1-2. Nozzle Configuration for Stylus Color 640 (B2) #27 #1 #2 #3 #5 C2 C3 C4 Y2 Y3 Y4 (C) (M) (Y) 90DPI 180DPI #23 #24 Y20 Y21 #60 #62 #64 #59 #61 #25 #26 2.2578 mm...

Page 13 - Figure 1-3. Nozzle Configuration for Stylus Color 740

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 13 Figure 1-3. Nozzle Configuration for Stylus Color 740 Feeding method Friction feed with ASF Line spacing 1/6 inches or programmable at 1/360 inches (only for Stylus Color 440) 1/6, 1/8 inches or programmable at 1/360 inches (...

Page 14 - is not opened. These character tables can not be selected in; NOTE: The above typeface has 4 variations individually as follows

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 14 Paper holding capacity of Hopper Size: Index card ∼ Legal Thickness: Less than 8mm Paper capacity: 100 Cut sheets 10 Envelopes65 Coated papers (360 dpi) 65 Coated papers (720 dpi) 20 Glossy papers, Photo Paper10 Transparent s...

Page 17 - Figure 1-4. Printable Area for Cut sheet; PW

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 17 1.2.3 Printing Area [Cut Sheet]See Figure 1-4 in the right column and the tables in the following page for the printable areas for Raster Graphics mode and Character mode. NOTE: Character mode is only suitable for Stylus Colo...

Page 19 - Figure 1-5. Printable Area for Envelopes; NOTE: Return the adjust lever to the zero position, which is normal; DL; RM; Plus Position

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 19 [Envelope]Table 1-6 and Figure 1-5 show the printable area for envelopes. Table 1-6. Envelopes Margin Figure 1-5. Printable Area for Envelopes 1.2.3.1 Adjust Lever Setting The adjustment lever located on the right side (dark ...

Page 20 - Figure 1-6. Black Ink Cartridge Appearance; C, but it returns to normal after 3 hours at; f o r S t y l u s C o l o r 4 4 0 , 6 4 0

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 20 1.2.4 Ink Cartridge Specifications [Black Ink Cartridge] Figure 1-6. Black Ink Cartridge Appearance Table 1-8. Black Cartridge Specifications Items Specifications Type Exclusive Cartridge for Stylus Color 440, 640Exclusive Ca...

Page 22 - Temperature; NOTE: 1 month at 40; Humidity; NOTE 2:During the transport, make sure that the head is capped and; ink cartridge is installed to the printer.; NOTE 3: If the head is not capped at the power-off state, turn the power; C environment, however it; H u m i d i t y

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 22 1.2.5 Environmental Condition Temperature Operating :10 to 35 ° C (Refer to Figure 1-8 for condition) Non-operating:-20 to 60 ° C (with shipment container) NOTE: 1 month at 40 ° C and 120 hours at 60 ° C Humidity Operating: 2...

Page 23 - EMI

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 23 1.2.6 Electric Specification [120V version][Rated voltage] AC120V [Input voltage range] AC99 ∼ 132V [Rated frequency range] 50 ∼ 60Hz [Input frequency range] 49.5 ∼ 60.5Hz [Rated current 0.4A (Max. 0.5A) [Power consumption] A...

Page 24 - Approximately 45 dB

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 24 1.2.9 Acoustic Noise Stylus Color 440: Approximately 45 dB Stylus Color 640,740: Approximately 47 dB 1.2.10 CE Marking [220 ∼ 240 V version] Low Voltage Directive 73/23/EEC:EN60950 EMC Directive 89/336/EEC :EN55022 Class B:EN...

Page 25 - to print is sent from the PC to the printer.

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 25 1.3 Interface This printer provides parallel interface as standard. 1.3.1 Parallel Interface (Forward Channel) [Transmission mode] 8 bit parallel, IEEE-1284 compatibility mode[Synchronization] By /STOPBE pulse [Handshaking] B...

Page 26 - Signal

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 26 Table 1-10. Parallel I/F Forward Channel Pin No. Signal Name Return GND Pin In/Out Functional Description 1 /STROBE 19 I The strobe pulse. Read-in of data is performed at the falling edge of this pulse. 2-9 DATA0-7 20-27 I Th...

Page 27 - Refer to the IEEE-1284 specification; changing a certain address in the EEPROM.; *3: Reverse channel is the mode that any data is transferred from the; Contents

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 27 1.3.2 Parallel Interface (Reverse Channel) [Transmission mode] IEEE-1284 nibble mode [Synchronization] Refer to the IEEE-1284 specification [Handshaking] Refer to the IEEE-1284 specification [Data trans. timing] Refer to the ...

Page 28 - Signal Name

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 28 Table 1-12. Parallel I/F Reverse Channel Pin No. Signal Name Return GND Pin In/Out Functional Description 1 HostClk 19 I Host clock signal. 2-9 Data0-7 20-27 I The DATA0 through DATA7 signals represent data bits 0 to7, respec...

Page 29 - Figure 1-9. Data Transmission Timing for Forward Channel; Parameter

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 29 The following are the points to note when using the parallel Interface. NOTE 1:“Return GND pin” in the table means twist pair return and is used for all control signals except for Logic H,+5V, Chassis, GND and NC. In this twi...

Page 30 - Typical Tack Timing

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 30 Table 1-14. Typical Tack Timing Table 1-15. Signal level for TTL (IEEE-1284 level 1 device) NOTE: A low logic level on the Logic H signal is 2.0V or less when the printer is powered off and this signal is equal or exceeding 3...

Page 31 - Synchronous

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 31 1.3.3 Serial Interface (for Stylus Color 640, 740) [Standard] Based on RS-423 [Synchronization] Synchronous [Bit Rate] Approx.1800Kbps [Handshaking] X-ON/X-OFF, DTR Protocol [Word Format] Data Bit= 8 bitsParity Bit= NoneStart...

Page 32 - Lights when the operate switch is “ON”, and AC power is supplied.; Paper Out LED

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 32 1.4 Control Panel Since Stylus Color 440, 640, 740 does not require many buttons since printer driver can start various settings and motions. Therefore, there are only 2 non-lock type push switches, 1 lock type push switch an...

Page 33 - Table 1-20. Panel Function with Power On; NOTE 5:Before you press the Load / Eject switch, be sure to enter the; The following steps vary depending on the printer.; ON; Protection Counter value

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 33 1.4.2 Panel Functions Refer to Table 1-19 to Table 1-21. Table 1-19. Panel Functions Table 1-20. Panel Function with Power On NOTE 1:You can check the 1) firmware version, 2) protection counter and 3) nozzle check pattern by ...

Page 34 - Printer Condition and Panel Status; Table 1-22. Printer Condition and LED Status; Printer Status

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 34 1.4.3 Printer Condition and Panel Status Table 1-22 shows printer condition and panel status. Since the table shows various error status and also indicates printer status, it enables you to find appropriate repair ways. Table...

Page 35 - The following explains the warning sign above.; Never use the ink cartridge that has been removed.

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 35 1.5 Error Status When following status occur, the printer goes to the error status and stops taking data, setting the /ERROR signal in the interface as “Low”, and Busy signal as “High”. At this time, the printer goes to non p...

Page 36 - When the printer is turned on for the first time. (This is a normal; NOTE: Since 1 point of counter point equals 0.02 ml, the actual ink; Parallel adjustment malfunction

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 36 1.5.4 No Ink-Cartridge Following reasons can be the causes when printer goes this error mode. 1. When the printer is turned on for the first time. (This is a normal error state and it returns to the normal state after install...

Page 37 - Printer Initialization; Page heading location for current page; First; line

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 37 1.6 Printer Initialization Stylus Color 440, 640, 740 have three kinds of initialization methods. Following explains each initialization. [1.Power-on initialization] This printer is initialized when turning the printer power ...

Page 38 - ) Main Control Board

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 38 1.8 Main Components Stylus Color 440, 640, 740 have following major units. Also, it is one of the major characteristics that the bottom of the Printer mechanism serves as the Lower case at the same time. Each unit from 2) to ...

Page 39 - Figure 1-13. C256 Main Board Major Electric Elements; B a t t 1

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 39 1.8.2 C206 Main-B Board (Stylus Color 440) C206 Main-B board controls Stylus Color 440 and consists of following major electric elements. This board will be changed to new board called C255 Main board. Figure 1-12. C206 Main-...

Page 40 - Figure 1-14. C257 Main Board Major Electric Elements

EPSON Stylus Color 440/640/740 Revision A Chapter 1 Product Description 40 1.8.4 C257 Main Board (Stylus Color 740) C257 Main board controls Stylus Color 640 and consists of following major electric elements. Figure 1-14. C257 Main Board Major Electric Elements 1.8.5 Power Supply Board C206 PSB/PSE ...

Page 42 - OPERATING PRINCIPLES

Page 44 - Figure 2-1. Printer Mechanism Block Diagram; Carriage Motor

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 44 2.1.1 Printer Mechanism Like previous EPSON Ink Jet printers such as Stylus Color 400, 600, Photo, Photo 700, Photo EX, the printer mechanism of Stylus Color 440/640/740 does not have an exclusive mechanism to change over pa...

Page 45 - Figure 2-2. Print Head Sectional Drawing; Nozzle Selector Board; PZT; Cavity

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 45 2.1.1.1 Printing Mechanism Basic principles of the print head which plays major role of printing mechanism is the same as previous models; on demand type MACH head method, but there is some difference in the resolution. (Ref...

Page 46 - Nozzle

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 46 2.1.1.2 Printing Process Following figures show the sectional drawings of normal state and ejecting state of the printhead. 1. Normal State: When the print signal is not output, PTZ also does not move in the waiting state (n...

Page 47 - Table 2-1. Carriage Motor Specifications; Rotor

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 47 2.1.1.3 Carriage Mechanism Carriage mechanism is to drive the carriage with print head mounted from left to right or vice versa. The carriage drive motor in these printers are a 4-phase, 200-pole, stepping motor and is drive...

Page 48 - See Figure 2-6 which shows the carriage mechanism.

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 48 See Figure 2-6 which shows the carriage mechanism. Figure 2-6. Carriage Mechanism (Top view) The printhead, a core of the printing mechanism, is stored in the carriage unit. When the adjustment lever is moved up and down, th...

Page 49 - Platen Gap Adjust Lever Setting; Paper

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 49 2.1.1.3.1 Platen Gap Adjust Mechanism and Parallel adjustment Mechanism This mechanism can be set by the users and can prevent various problems related to low image density or print with any dirt by changing the positions of...

Page 52 - Major Ink Sequence Position on Carriage Working Area; Printable Area

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 52 2.1.1.5 Ink System Ink system mechanism consists of 1)cap mechanism, 2)pump mechanism, carriage lock mechanism, 4)waste ink absorber and 5)ink sequence. Out of these mechanism, from 1) to 4) are physical mechanism and parts ...

Page 53 - Figure 2-12. Pump Mechanism Power Transmission Process; Gear A

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 53 2.1.1.6 Pump, Carriage Lock, Head Cleaner Mechanism In the Stylus Color 440/640/740, there is no switch or mechanism to change over the pump/paper feed mechanism. Therefore, whenever the paper feed/pump motor rotate, pump dr...

Page 54 - Relationship between Pump Motor Rotation and it’s Work; Figure 2-13. Pump Roller Rotation and it’s Operation; PF/Pump motor rotational direction; forward rotation; Tube pressured; CW Rotation

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 54 The table below shows PF/Pump motor rotational direction and pump system operation. Table 2-7. Relationship between Pump Motor Rotation and it’s Work Refer to Figure 1-13 in the right column which shows the pump operations a...

Page 55 - Figure 2-14. Cap Mechanism and Operation Principle

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 55 2.1.1.6.1 Cap Mechanism In the cap mechanism, in order to prevent ink from being thickened on the head surface, it is controlled that the head surface stays adherent to the rubber frame of the cap surface when the power is o...

Page 56 - Electrical Circuit Operating Principles; C256 Main, Main Board; PF MOTOR; AC Input; Print Head; LED

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 56 2.2 Electrical Circuit Operating Principles Stylus Color 440/640/740 contains the following three electric circuit boards. Electronic Boards for Stylus Color 440 are;Main: C206 Main-B, C255 Main Board Power Supply: C206 PSB,...

Page 57 - Voltage

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 57 2.2.1 C206 PSB/PSE and C257 PSB/PSE Power Supply Board (for Stylus Color 440, 640, 740) There are 2 types of power supply boards for Stylus Color 440/640/740. The main components of the boards are the same, but the +5V regul...

Page 60 - ASF Sensor

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 60 2.2.2 C206 Main-B, C255 Main (for Stylus Color 440) Various DC voltage generated on the C206 PSB/PSE board is added various signals in order to drive the printer function on the C206 main-B, C255 main, board the drive of CR/...

Page 66 - Figure 2-20. Reset Circuit for Stylus Color 440; Not mounted

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 66 2.2.4.1 Reset Circuits [C206 Main-B, C255 Main for Stylus Color 440]The reset circuit prevents the CPU from running away, which is caused by the unstable voltage in the logic line during the power ON/OFF operation. And reset...

Page 67 - Figure 2-21. Reset Circuit for Stylus Color 640

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 67 [C256 Main for Stylus Color 640]The reset circuit prevents the CPU from running away, which is caused by the unstable voltage in the logic line during the power ON/OFF operation. And reset IC(IC9) monitors level of power vol...

Page 68 - Figure 2-22. Reset Circuit for Stylus Color 740

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 68 [C257 Main for Stylus Color 640]The reset circuit prevents the CPU from running away, which is caused by the unstable voltage in the logic line during the power ON/OFF operation. And reset IC(IC8) monitors level of power vol...

Page 69 - Figure 2-25. Sensor Circuit for Stylus Color 740

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 69 The following three figures show the sensor circuits. Out of the data such as EPW with IEEE 1284 Nibble mode to be returned to the host, the data to indicate ink consumption is calculated and managed by the counter of the fi...

Page 70 - Destination information; Figure 2-26. EEPROM Control Circuit for Stylus Color 440

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 70 2.2.4.3 EEPROM Control Circuits The EEPROM of Stylus Color 440/640/740 has following contents. Gate array controls operations of reading data when the power is on and writing data when the power is off. Ink consumption (Bk, ...

Page 71 - Figure 2-29. Timer Control Circuit for Stylus Color 440

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 71 2.2.4.4 Timer Circuit A lithium battery is mounted on the main board and calculates how long the printer is not used. The timer IC starts counting with oscillation motivated by the crystal oscillator using this battery as a ...

Page 72 - Common wave form circuit became one HIC.

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 72 2.2.4.5 DRAM Control In the Dynamic RAM control, output and formation of CAS and RAS control signals become necessary in addition to the output of CS signal. The CPU not only controls that but also perform the output of CS s...

Page 73 - Figure 2-32. Head Drive Circuit for Stylus Color 440

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 73 Figure 2-32. Head Drive Circuit for Stylus Color 440 H8D2813(IC6) XOVM CTB COM DTB GNDGND 25 1 20 +5 F1 +42 22 23 VHV VHV +5 GND GND GND GND GND GND VDD 15 14 12 10 8 6 4 COM COM COM 19 21 20 GND2 GND2 GND2 16 18 17 E05B44(I...

Page 74 - Figure 2-33. Head Driver Circuit for Stylus Color 640

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 74 Figure 2-33. Head Driver Circuit for Stylus Color 640 H8D2813(IC7) XOVM CTB COM DTB GNDGND 25 1 20 +5 F1 +42 22 23 VHV VHV +5 GND GND GND GND GND GND VDD 15 14 12 10 8 6 4 COM COM COM 19 21 20 GND2 GND2 GND2 16 18 17 E05B43(...

Page 75 - Figure 2-34. Head Drive Circuit for Stylus Color 740

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 75 Figure 2-34. Head Drive Circuit for Stylus Color 740 [Common drive circuit] The shape of trapezoidal wave form will be different according to the printing operation, slight vibrations at the non-printing nozzle and waiting c...

Page 78 - Figure 2-38. Carriage Motor Drive Circuit for Stylus Color 440

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 78 2.2.4.8 CR Motor Drive Circuit IC14(LB1845) on C206 Main-B, C255 Main board, IC14(UDN2917) on C256 Main board, and IC11(LB1847) on C257 Main board are used for driving CR motor. In the IC, Bi-pola drive PWM current control t...

Page 79 - Figure 2-39. Carriage Motor Drive Circuit for Stylus Color 640

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 79 Figure 2-39. Carriage Motor Drive Circuit for Stylus Color 640 E05B43 (IC2) CRA0 CRA1 CRA0 CRB1 CRAPH CRBPH MTBV0 MTBV1 MTBV2 MTBV3 MTBV4 75 76 75 60 61 62 63 73 77 74 Rotor A /A B /B 1 3 2 4 CN5 UDN2917 (IC15) I10 I11 2 1 I...

Page 80 - Figure 2-40. Carriage Motor Drive Circuit for Stylus Color 740

EPSON Stylus Color 440/640/740 Revision A Chapter 2 Operating Principles 80 Figure 2-40. Carriage Motor Drive Circuit for Stylus Color 740 M6252(IC15) - + 1 2 3 C90A05 (IC1) 111 DA0 CurrentDetection E05B588(IC2) Rotor A /A B /B 1 3 2 4 CN7 CRENBA CRENBB CRPHAA CRPHAB 192 201 191 202 CRIA0 CRIA1 CRIA...

Page 81 - TROUBLESHOOTING

Page 82 - Figure 3-1. Troubleshooting Process Flowchart; START; Motor Name; CR Motor

EPSON Stylus Color 440/640/740 Revision A Chapter 3 Troubleshooting 82 3.1 Troubleshooting The printer may exhibit different symptoms for the same problem, which makes troubleshooting more difficult. This section, however, provides simple and effective ways to facilitate troubleshooting. The followi...

Page 83 - Sensor Name

EPSON Stylus Color 440/640/740 Revision A Chapter 3 Troubleshooting 83 Table 3-2. Sensor Check Sensor Name Location Signal Level Sensor Status Paper End Senior • Stylus Color 440/640 CN4/Pins 1 & 2 Open: less than 0.7 V Paper loaded • Stylus Color 740 CN5/Pins 1 & 2 Close: more than 2.4 V No...

Page 84 - Table 3-3. Printer Condition and Panel Status

EPSON Stylus Color 440/640/740 Revision A Chapter 3 Troubleshooting 84 Table 3-3. Printer Condition and Panel Status Error Status Indicators Recovery Power Ink out (Black) Ink Out (Color) Paper Out Paper Out --- --- --- On Load paper by pressing the load/eject button. Paper jam condition --- Off Off...

Page 85 - Unit Level Troubleshooting; Flowchart 1; Symptom

EPSON Stylus Color 440/640/740 Revision A Chapter 3 Troubleshooting 85 3.2 Unit Level Troubleshooting When a problem occurs, you can identify the defective unit according to the symptoms exhibits. The table below lists the symptoms of certain problems. Once the problem is identified, refer to the fl...

Page 86 - Flowchart 2

EPSON Stylus Color 440/640/740 Revision A Chapter 3 Troubleshooting 86 3.2.2 Error is detected Flowchart 2 3.2.3 Failure occurs during printing Flowchart 3 START Check the errormessage.(Refer to Table 3-3) Is it a carriage error? Is it an ink cartridge error? Maintenance Error Replace the wasteink a...

Page 87 - Flowchart 4

EPSON Stylus Color 440/640/740 Revision A Chapter 3 Troubleshooting 87 3.2.4 Printer does not feed paper correctly. Flowchart 4 3.2.5 Control panel operation is abnormal. Flow Chart 5 START Is paper setin the ASFcorrectly? Do the PF roller and platen rotate? Remove any obstructionin the paper path i...

Page 88 - Unit Repair of Power Supply Board

EPSON Stylus Color 440/640/740 Revision A Chapter 3 Troubleshooting 88 3.3 Unit Repair of Power Supply Board Note:The power supply board equipped with each printer is as follows: S tylus Color 440: C206 PSB/PSE Stylus Color 640: C206 PSB/PSE Stylus Color 740: C257 PSB/PSE This section describes the ...

Page 89 - Transformer coils are open.

EPSON Stylus Color 440/640/740 Revision A Chapter 3 Troubleshooting 89 Table 3-5. Repair of the C206/C257 PSB/PSE Board Symptom Condition Cause Checkpoint Solution The printer does not operate at all. +42V line is dead. F1 is open. Check F1 by using a tester. Replace F1. Transformer coils are open. ...

Page 90 - • L4962 is used for Stylus

EPSON Stylus Color 440/640/740 Revision A Chapter 3 Troubleshooting 90 (Continued) The printer does not operate at all. +5V line is dead. IC51 (L4962E/FA3635P) is dead. Note: • L4962 is used for Stylus Color 440/640. • FA3635P is used for Stylus Color 740. Stylus Color 440/640: • Check the oscillati...

Page 91 - Unit Repair of the Main Board; board equipped with each printer is as follows:

EPSON Stylus Color 440/640/740 Revision A Chapter 3 Troubleshooting 91 3.4 Unit Repair of the Main Board Note:The Main board equipped with each printer is as follows: Stylus Color 440: C206MAIN-B, C255MAIN Stylus Color 640: C256MAIN Stylus Color 740: C257MAIN This section describes the problems rela...

Page 92 - Symptoms; CPU does not operate.

EPSON Stylus Color 440/640/740 Revision A Chapter 3 Troubleshooting 92 Table 3-6. Unit Repair of Main Board Symptoms Condition Cause Check Point Solution The printer does not operate at all. (Continues to the next page.) CPU does not operate. (Continues to the next page.) The reset circuit does not ...

Page 94 - Printing is abnormal.

EPSON Stylus Color 440/640/740 Revision A Chapter 3 Troubleshooting 94 (Continued) The carriage does not operate normally. (Continued) Carriage motor does not operate at all or it occurs a abnormal noise. Stylus Color 440, 640: IC14 is dead. Stylus Color 740: IC11 is defective. Stylus Color 440: Che...

Page 95 - Replace IC2

EPSON Stylus Color 440/640/740 Revision A Chapter 3 Troubleshooting 95 Paper feed operation is abnormal. Paper feed motor does not work. IC2 is dead. Stylus Color 440: Check the waveform at 25, 18 pin of IC14. Stylus Color 640: Check the waveform at 43, 26 pin of IC16. Stylus Color 740: Check the wa...

Page 96 - Repair of the Printer Mechanism; Table 3-7. Repair of the Printer Mechanism

EPSON Stylus Color 440/640/740 Revision A Chapter 3 Troubleshooting 96 3.5 Repair of the Printer Mechanism This section provides instruction for repairing the printer mechanism. It describes various problems, symptom, likely causes, checkpoints, and solutions. Select appropriate symptom from the tab...

Page 99 - DISASSEMBLY AND ASSEMBLY

Page 100 - Precautions for Disassembling the Printer; Do not heat the battery or put it near fire.; Danger of explosion if the battery is incorrectly

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 100 4.1 Overview This chapter describes procedures for disassembling the main components of EPSON Stylus Color 440/640/740. Unless otherwise specified, disassembly units or components can be reassembled by reversing the dis...

Page 101 - Tools; Tweezers

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 101 4.1.2 Tools Table 4-1 lists the tools recommended for disassembling, assembling, or adjusting the printer. Use only tools that meet these specifications. C A U T I O N Risque d’explosion si la pile est remplacée incorre...

Page 102 - Body

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 102 4.1.3 Specification for Screws Table 4-2 shows screw specifications. During assembly and disassembly, make sure that the specified types of screws are used at proper locations, referring to the table below. Note that th...

Page 103 - Table 4-3. Inspection Checklist for the Repaired Printer; Category

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 103 4.1.4 Service Checks After Repair Before returning the printer after servicing, use the check list below, which enables you to keep record of servicing and shipping more efficiently. Table 4-3. Inspection Checklist for ...

Page 104 - Disassembly Procedures; The flowchart below shows procedures for disassembly.

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 104 4.2 Disassembly Procedures The flowchart below shows procedures for disassembly. Figure 4-1. Flowchart of Disassembly Remove the Housing 3.2.1 Remove theBoard Assembly 3.2.2 Remove the operation panel 3.2.3 Remove the P...

Page 105 - Housing

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 105 4.2.1 Removing the Housing Since the printer mechanism itself structures the bottom part, the printer mechanism appears just by removing the housing. 1. Open the printer cover and turn the PG adjustment lever towards (+...

Page 106 - printer are as follows; Pull out the “M/B Shield Plate” a little bit and remove cables which

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 106 4.2.2 Removing the Board Assembly Since the main board and power supply circuit board are built in a separate bracket from the printer mechanism, remove the whole bracket from the printer mechanism. NOTE: The main board...

Page 107 - Power Supply Board

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 107 Figure 4-3. Removing the M/B Shield Plate Figure 4-4. Removing the Boards [Cable Holder A and B] A M/B Shield Plate (No.1) (No.1) (No.1) B M/B Shield plate Power Supply Board Main Board (No.6) (No.1) (No.1)

Page 108 - The panel board equipped with each printer is as follows:; Figure 4-5. Removing the Operation Panel; S t a c k e r A s s e m b l y

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 108 4.2.3 Removing the Operation Panel The panel board equipped with each printer is as follows: - Stylus Color 440/640: C206PNL - Stylus Color 740: C209PNL 1. Remove the housing. (Refer to Section 4.2.1.) 2. Remove two scr...

Page 109 - Disassembling the Printer Mechanism; carriage lock mechanism. Then move the carriage to the left edge.

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 109 4.2.4 Disassembling the Printer Mechanism Since Stylus Color 440/640/740 do not have the lower housing, the printer mechanism part should already appear by now. Therefore, this section explains procedures for disassembl...

Page 110 - F a s t e n e r H e a d; O n l y f o r 7 4 0

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 110 Figure 4-6. Removing the Print Head F a s t e n e r H e a d P r i n t h e a d U n i t F F C N o t e : T h e r e i s n o a c t u a t o r s o n t h e p r i n t h e a d f o r S t y l u s C o l o r 7 4 0 . O n l y f o r 7 4...

Page 112 - located on the right side of the printer mechanism.; S p a c e r T r a y

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 112 4.2.4.2 Removing the Absorber Tray Assembly ;A 1. Remove the housing. (Refer to Section 4.2.1.) 2. Remove the operation panel. (Refer to Section 4.2.3.) 3. Remove one screw (No.4) securing “Absorber tray assembly” locat...

Page 114 - Figure 4-9. Removing the Cap and Pump Assemblies; Pump Assembly

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 114 Figure 4-9. Removing the Cap and Pump Assemblies Loosen screws on the rightand left sides and float thePaper eject frame assembly. Release three hooksfrom the interior of the right frame assembly. Pump Assembly Cap Asse...

Page 115 - Head Cleaner

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 115 Figure 4-10. Component of Pump Assembly Head Cleaner Order of assembling the pump parts.

Page 116 - Rotate the gear 67.2 toward you and release the carriage lock; Figure 4-12. Removing and Installing the CR Motor Assembly

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 116 4.2.4.4 Removing the CR Motor Assembly 1. Remove the housing. (Refer to Section 4.2.1) 2. Rotate the gear 67.2 toward you and release the carriage lock mechanism, then move the carriage to the center. 3. Loosen the timi...

Page 117 - Remove 2 hexagon nuts and remove the PF motor assembly.; Removing the PF Motor Assembly for Stylus Color 740; P R M o t o r A s s e m b l y

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 117 4.2.4.5 Removing the PF Motor Assembly [For Stylus Color 740] 1. Remove the housing.(Refer to Section 4.2.1.) 2. Remove the absorber tray assembly ;A. (Refer to Section 4.2.4.2.) 3. Remove the following gears located on...

Page 118 - Remove the 2 screws securing the PF motor assembly. to the; Figure 4-14. Removing the PF Motor Assembly; P F M o t o r A s s e m b l y

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 118 [For Stylus Color 440, 640] 1. Remove the housing. (Refer to Section 4.2.1.) 2. Remove the absorber tray assembly ;A. (Refer to Section 4.2.4.2.) 3. Remove the 2 screws securing the PF motor assembly. to the frame. Figu...

Page 119 - remove the gear 34 from the roller shaft in the ASF assembly.; C R S h a f t I n s t a l l a t i o n S c r e w

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 119 4.2.4.6 Removing the ASF Assembly 1. Remove the housing. (Refer to Section 4.2.1.) 2. Release the fixed hook from the inside of the printer mechanism and remove the gear 34 from the roller shaft in the ASF assembly. 3. ...

Page 121 - Figure 4-16. Disassembly of ASF Assembly

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 121 Figure 4-16. Disassembly of ASF Assembly H o p p e r A s s e m b l y A S F F r a m e R e l e a s e H o p p e r L e v e r P a p e r F e e d R o l l e r A s s e m b l y L e f t S h a f t F i x i n g B u s h i n g T o r s ...

Page 122 - Figure 4-17. Disassembly of Paper Feed Roller Assembly

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 122 4.2.4.6.2 Removing the Right and Left LD Roller Assembly 1. Disassemble the ASF assembly and remove the paper feed roller assembly and hopper assembly from the ASF assembly. (Refer to Section 4.2.4.6.) 2. Take out the r...

Page 124 - Figure 4-19. Removing the Carriage Assembly

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 124 Figure 4-19. Removing the Carriage Assembly P G S u p p o r t L e v e r R i g h t P a r a l l e l i s m A d j u s t m e n t B u s h i n g W a s h e r [ C o n v e x s i d e s h o u l d f a c e t o t h e b u s h i n g s i...

Page 125 - disassemble the cable guide board.; Figure 4-20. Removing the Paper Guide Assembly; Be careful not to damage the combination gears.

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 125 4.2.4.8 Removing the PF Roller Assembly 1. Remove the housing.(Refer to Section 4.2.1.) 2. Remove the carriage assembly.(Refer to Section 4.2.4.7.) 3. Remove three screws(No.1) on the printer mechanism and disassemble t...

Page 126 - Figure 4-21. Removing the Paper Eject Roller Assembly

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 126 Figure 4-21. Removing the Paper Eject Roller Assembly Figure 4-22. Removing the PF Roller Assembly F r o n t P a p e r G u i d e ; B E j e c t P a p e r R o l l e r A s s e m b l y P F R o l l e r A s s e m b l y A l i ...

Page 127 - Release two fixed hooks securing the PE detector assembly from; Figure 4-23. Removing the PE Detector Assembly

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 127 4.2.4.9 Removing the PE Paper Detector Assembly 1. Remove the housing. (Refer to Section 4.2.1.) 2. Release two fixed hooks securing the PE detector assembly from the back of the frame and remove the PE detector assembl...

Page 128 - Remove the cable from the HP detector and take it out after; H P D e t e c t o r

EPSON Stylus Color 440/640/740 Revision A Chapter 4 Disassembly and Assembly 128 4.2.4.10 Removing the HP Detector 1. Remove the housing. (Refer to Section 4.2.1.) 2. Remove the cable from the HP detector and take it out after releasing the fixed hook. Figure 4-24. Removing the HP Detector H P D e t...

Page 129 - ADJUSTMENT

Page 130 - Table 5-1 Adjustment Required; Adjustment Item; Table 5-2 Actions Taken and Adjustment Required; Content of Operation

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 130 5.1 Overview This chapter describes adjustments required when the printer is disassembled and assembled after repair. 5.1.1 Required Adjustments Stylus Color 440/640/740 require the following adjustments. (Refer to Table 5-1) Perform...

Page 131 - Table 5-3 Adjustment Tools Required; Name; Thickness Gauge

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 131 5.1.2 Adjustment Tools Required Table 5-3 below shows adjustment tools for Stylus Color 440/640/740. Table 5-3 Adjustment Tools Required No. Name Adjustment Item Contents/Spec. 1 Thickness Gauge Parallelism Adjustment 1.04 mm 2 Adjus...

Page 132 - Move the carriage to the center and set the thickness gauge on the; along with the carriage when the carriage is moved about 20 mm.; If the gap is adjusted correctly, move the right parallelism

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 132 5.2 Adjustment This section explains specific procedures for each adjustment required for Stylus Color 440/640/740. 5.2.1 Parallelism Adjustment When replacing the carriage assembly or removing it during printer mechanism disassembly...

Page 133 - Rotate the gear 67.2 and move the head cleaner to the printer rear; Left; P o s i t i o n M a r k

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 133 [Fixing Parallelism Adjustment Bushing] 13. Fix the right and left parallelism adjustment bushings with screws. (No.1 screw for each.) When completing this adjustment, check the overlap amount of the printhead and head cleaner. 1. Ro...

Page 134 - Figure 5-4. Interface Flow of Adjustment Program; Start

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 134 5.2.2 Adjustment by Adjustment Program In this printer, it is necessary to set the correct information for each printer mechanism in order to maintain consistent printing function and quality, eliminating difference of each printer m...

Page 135 - Figure 5-5. Options in the Program and Keys to Use; Main menu; Maintenance; E S C K e y

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 135 Figure 5-5. Options in the Program and Keys to Use Main menu Maintenance Adjustment Market/Destination Check Head Voltage ID Input Head Angular Adjustment Bi-D Adjustment Head Cleaning(CL2) Ink Charge Flag Reset Transportation Liquid...

Page 136 - Connect the printer and PC and turn on the printer.; NLSP; If no model name is registered, go to; S t a r t i n g t h e s e r v i c e p r o g r a m .

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 136 5.2.2.2 Entering the Main menu Before performing any adjustment, you need to enter the main menu, however, you may have to take the following extra steps before entering the main menu depending on the printer model name and mode name...

Page 137 - After a few seconds, the model name appears on the screen shown; below. Proceed to one of the following steps.; If the printer is Stylus Color 440 or 640, go to; Section; I s t h e m o d e l n a m e c o r r e c t ?; E S C : P r e v i o u s U p / D o w n a r r o w s : S e l e c t E N T E R : O K

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 137 5. After a few seconds, the model name appears on the screen shown below. Proceed to one of the following steps. Figure 5-7. Initial Screen (2) 6. The main menu shown below appears. Figure 5-8. Main Menu of the Program If the printer...

Page 138 - For Stylus Color 740:

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 138 5.2.2.2.1 Registering the printer model name 1. If no model name is registered, the screen shown below appears. Press the E key while pressing the Alt key, and the program advances to the Model Name Input Screen. Figure 5-9. Model Na...

Page 139 - Select; Figure 5-11. Destination Setting Screen for Stylus Color 740; Perform one of the followings:; S e l e c t t h e d e s t i n a t i o n .; The CG value has been correctly set. Return to; Standard: There is no IC6 on C257 Main board.

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 139 5.2.2.2.2 Setting the CG (Destination information) (For Stylus Color 740 only) Since there are two models for Stylus Color 740, the standard model and NLSP model, you are required to set the correct CG according to the model by follo...

Page 140 - After replacing the printer mechanism; Figure 5-12. Maintenance Menu of the Program; automatically enters the initial ink charge sequence.; D o y o u w a n t t o r e s e t t h e i n i t i a l i n k c h a r g e f l a g ?

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 140 5.2.2.3 Initial Ink Charge Operation There is no ink charged in the ink path of a spare printhead and printer mechanism. Therefore, after you replaced any of the following units, perform initial ink charge and return the printer afte...

Page 141 - following screen appears.; Press the Enter key. The printer enters the CL2 sequence.

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 141 5.2.2.4 Head Cleaning Operation Different from the previous models, Stylus Color 440, 640, and 740 have no dummy cleaning sequence called CL3, which was performed to prevent ink from being unnecessarily consumed when cleaning was rep...

Page 142 - [Confirming the current protection counter value]; P r o t e c t i o n C o u n t e r C H E C K / C L E A R

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 142 5.2.2.5 Protection Counter Indicate/Reset The program provided with this manual can let you confirm or clear the current protection counter value. (Of course, you can confirm or clear the current protection value by main unit alone. ...

Page 143 - Have not replaced; N o w c l e a r i n g t h e p r o t e c t c o u n t e r !

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 143 [Clearing the current protection counter value] 1. Enter the main menu. (Refer to Section 5.2.2.2 ) 2. Apply the maintenance menu. 3. By using the Up/Down arrow key, select the item Indication of the counter value for the waste ink p...

Page 145 - Press the Enter key, and the screen below appears. The terms

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 145 4. Press the Enter key, and the screen below appears. The terms World and Standard show the current value set in the destination and CG addresses in the EEPROM. Figure 5-21. Market/Destination Confirmation Menu 5. You can return to t...

Page 146 - When replacing any of the parts above, make a note of VH voltage; On the side face of the printhead.; By using the Up/Down arrow key, select Adjustment in the main

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 146 5.2.2.7 Head Voltage ID Input Head voltage value adjustment function enables you to write printhead ID. This operation is considered the most important to maintain proper ink discharging system. If an ID is not written correctly, it ...

Page 147 - When you input the head ID value, the screen automatically

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 147 6. When you input the head ID value, the screen automatically advances consequently, as shown below: Figure 5-24. Head Voltage ID Writing Screen 7. Press the Esc key once. The screen returns to the Head Voltage ID Check/Input Select ...

Page 148 - When a printhead is replaced.

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 148 5.2.2.8 Head Angular Adjustment During production, slight variations are created in printheads and carriage (which are used as a printhead base.) If these differences are not adjusted, they can adversely influence the printhead angle...

Page 149 - Figure 5-28. Sample of Head Angular Adjustment Pattern; NOTE: Make sure to loosen this screw. Otherwise, the printhead; angle will no change even if the adjusting lever moves.; Printhead securing screw; Correct condition = evenly spaced; Adjusting Lever

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 149 Figure 5-28. Sample of Head Angular Adjustment Pattern 5. Loosen the printhead securing screw securing the printhead on the carriage. (You don ' t need to remove it completely.) Figure 5-29. . Screw Position NOTE: Make sure to loosen...

Page 150 - Verify the pattern on the printout again.; reinstall the upper case only when you remove it.

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 150 7. After changing the position of the adjust lever, select Head angular adjustment pattern again. The printer prints out a head angular adjustment pattern and the screen automatically returns to the Current Head Angular Confirmation ...

Page 151 - Replacing the Print mechanism; By using the Up/Down arrow key, select Adjustment in the main; B i - D i r e c t i o n a l A d j u s t m e n t

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 151 5.2.2.9 Bi-D Adjustment You perform this adjustment to correct differences in printing positions, which is caused by slippage of printing timing in right and left directions during the Bi-directional printing. Therefore, you are requ...

Page 152 - The value 0 (blue) appears in the center of the screen and changes; program stores the selected value.; Press the Esc key once. The current screen returns to the Bi-D; Left Gap; S e l e c t a n a d j u s t m e n t v a l u e w i t h t h e U p / D o w n a r r o w k e y s .

EPSON Stylus Color 440/640/740 Revision A Chapter 5 Adjustment 152 Figure 5-34. Bi-D ADjustment Pattern Sample 6. By using the Up/Down key, select Adjust on the Bi-D adjustment menu (Figure 5-32). Then the screen below appears. Figure 5-35. Bi-D Value Input Menu 7. The value 0 (blue) appears in the ...

Page 153 - MAINTENANCE

Page 154 - Confirm that the printer is in stand-by state (the POWER indicator

EPSON Stylus Color 440/640/740 Revision A Chapter 6 Maintenance 154 6.1 Overview This section describes the points and the procedures for maintaining the printer in its optimum condition. 6.1.1 Cleaning This printer has no mechanical components which require regular cleaning. Therefore, note that th...

Page 156 - Standard

EPSON Stylus Color 440/640/740 Revision A Chapter 6 Maintenance 156 5 <Lubrication Point> The shaft for “GEAR, 16, 40.8” on “FRAME, LEFT” Use a syringe to apply it. <Lubricant Type> G-26 <Lubrication Amount> Approximately 5-mm long 6 <Lubrication Point> Bushings for “ROLLER, ...

Page 157 - * N e v e r a p p l y t h e o i l e x c e e d i n g 0 . 6 c c .; C a r r i a g e A s s e m b l y

EPSON Stylus Color 440/640/740 Revision A Chapter 6 Maintenance 157 W A R N I N G Never apply oil to the CR guide shaft directly. This may cause fatal damage to the components of the printer. Avoid applying oil excessively to the oil pad. This may cause fatal damage to the components of the printer....

Page 160 - APPENDIX

Page 161 - A.1 Connector Summary; for

EPSON Stylus Color 440/640/740 Revision A Chapter 7 Appendix 161 A.1 Connector Summary This section gives information on connectors and their pin assignment.Since all connectors and their pin assignments except for CN8 (printhead) are common for Stylus Color 440 and Stylus Color 640, they are includ...

Page 162 - AC; Control Panel; Printer Mechanism

EPSON Stylus Color 440/640/740 Revision A Chapter 7 Appendix 162 A.1.1 Connector Summary (Stylus Color 440/640) This section provides information on connectors in the main units of the Stylus Color 440 and Stylus Color 640. Figure 1 shows how the main component units are connected. Figure A-1. Cable...

Page 163 - (Stylus Color 440 and Stylus Color 640)

EPSON Stylus Color 440/640/740 Revision A Chapter 7 Appendix 163 A.1.1.1 Connector Pin Assignment (Stylus Color 440 and Stylus Color 640) Tables in this section provide connector pin assignments of the C206MAIN-B, C255MAIN and C256MAIN, the main boards equipped with Stylus Color 440 and Stylus Color...

Page 166 - Figure A-2. Cable Connection of the Stylus Color 740

EPSON Stylus Color 440/640/740 Revision A Chapter 7 Appendix 166 A.1.2 Connector Summary for Stylus Color 740 This section contains information on connectors in the main units of Stylus Color 740. Figure 2 shows how the main component units of the Stylus Color 740 are connected. Figure A-2. Cable Co...

Page 167 - Table A-11. Connector Summary of C257MAIN

EPSON Stylus Color 440/640/740 Revision A Chapter 7 Appendix 167 A.1.2.1 Connector Pin Assignment (Stylus Color 740) Tables in this section provide connector pin assignments of the C257MAIN, the main board equipped with Stylus Color 740. C A U T I O N Information contained in this section only appli...

Page 169 - A.2 EEPROM Address Map

EPSON Stylus Color 440/640/740 Revision A Chapter 7 Appendix 169 A.2 EEPROM Address Map This section contains EEPROM map for Stylus Color 440/640 and Stylus Color 740. As it is in Section A.2, this section is separated in 2 parts as shown below. Therefore, be sure to refer to the correct section dep...

Page 170 - EEPROM Address Map

EPSON Stylus Color 440/640/740 Revision A Chapter 7 Appendix 170 Table A-20. Stylus Color 440/640 EEPROM Address Map Address Explanation Setting QPIT Settings Factory Settings 00H Password 0 54H - 01H 0FH - 02H Market 0: Word 1: Japan 2: Custom (MJ-) ∗∗ 3: Custom (Stylus Color) ∗∗ 4: Custom (other n...

Page 174 - This section provides EEPROM address map for the Stylus Color 740.; Password 0

EPSON Stylus Color 440/640/740 Revision A Chapter 7 Appendix 174 A.2.2 EEPROM Address Map (Stylus Color 740) This section provides EEPROM address map for the Stylus Color 740. l C A U T I O N EEPROM map in this section only applies to Stylus Color 740. If you need EEPROM map for Stylus Color 440/640...

Page 177 - Adjusted at factory

EPSON Stylus Color 440/640/740 Revision A Chapter 7 Appendix 177 Table A-34. Stylus Color 740 EEPROM Address Map (Coutinued) Address Explanation Setting QPIT Settings Factory Settings 4CH Ink counter Cm 00H 00H 4DH 00H 00H 4EH 00H 00H 4FH 00H 00H 50H Ink counter Cc 00H 00H 51H 00H 00H 52H 00H 00H 53...

Page 178 - A.3 Circuit Board Component Layouts; This section is composed of the following components layouts.

EPSON Stylus Color 440/640/740 Revision A Chapter 7 Appendix 178 A.3 Circuit Board Component Layouts This section is composed of the following components layouts. C206MAIN-B (Stylus Color 440) C256MAIN (Stylus Color 640) C257MAIN (Stylus Color 740) C206PSB/PSE (Stylus Color 440/640) C257PSB/PSE (Sty...

Page 186 - C257 PSB Board Component Layout (Stylus Color 740)

EPSON Stylus Color 440/640/740 Revision A Chapter 7 Appendix 186 Figure A-11. C257 PSB Board Component Layout (Stylus Color 740) Figure A-12. C257 PSE Board Component Layout (Stylus Color 740)

Page 188 - A.4 Exploded Diagrams; This section contains the following exploded diagrams.

EPSON Stylus Color 440/640/740 Revision B Chapter 7 Appendix 188 A.4 Exploded Diagrams This section contains the following exploded diagrams. Exploded diagram for Stylus Color 440 (1/3, 2/3, 3/3) Exploded diagram for Stylus Color 640 (1/3, 2/3, 3/3) Exploded diagram for Stylus Color 740 (1/3, 2/3, 3...

Page 198 - Part List; Part Name

EPSON Stylus Color 440/640/740 Revision B Chapter 7 Appendix 198 A.5 Part List A.5.1 Part List for Stylus Color 440/640 Table A-36. Part List for Stylus Color 440/640 (1/4) Part Name Part Name 100 Housing;B 128 Mini Clamp 101 Cover, Printer;B 180 Label, Caution 1;B 102 Paper Support;B 181 Label, Acc...

Page 199 - 06 Spacer, Cable Head

EPSON Stylus Color 440/640/740 Revision B Chapter 7 Appendix 199 Table A-38. Part List for Stylus Color 440/640 (3/4) Part Name 578 Push Nut, 2 724 Roller, LD, Sub 579 Harness, HP 725 Holder, Roller, LD, Sub, Right 580 Harness, PE 726 Pad Assy., Left 581 Harness, ASF 727 Lever, Pad, Release, Left 58...

Page 202 - A.6 Circuit Diagrams; See the following pages for the circuit diagrams below.; copies, as no pdf files for it is provided.

EPSON Stylus Color 440/640/740 Revision B Chapter 7 Appendix 202 A.6 Circuit Diagrams See the following pages for the circuit diagrams below. NOTE: For circuit diagram for C206MAIN-B, refer to the hard copies, as no pdf files for it is provided. C206MAIN-B circuit diagram 1/2, 2/2 See the hard copie...