SERVICE MANUAL Color Inkjet Printer EPSON Stylus C50/C 60/C61/C62 ® SEIJ02001...
Page 2
The contents of this manual are subject to change without notice. All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.
Page 3
2. MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/ RATING PLATE. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.
It may also provide additional information that is Provides preventive maintenance procedures and the related to a specific subject, or comment on the results lists of Epson-approved lubricants and adhesives achieved through a previous action. required for servicing the product.
Page 5
Page 9 : The description in the “1.1 Features” was added. Page 10,11 : The description in the “1.2.2 Printing Specification” was added. Page 16 : The description in the “1.2.6..1 Bk ink cartridge (Stylus C50)” was added. Page 18 : The description in the “1.2.7 Electric Specification” was added.
Page 6
Page 139 : The description in the “7.2 Component Layout” was added. Page 141 ~ 146 : The figures in the “7.3 Exploded Diagram” was added. Amendment / Addition for the Stylus C50/C60 * Section 1 Page 19 : The description in the “1.2.12 CE Marking” was amended.
Page 7
Revision Issued Date Description Page 5,6 : The description in the “1.2 Specification” was added. Page 8: The description in the “1.2.4.3 Exclusive Paper” was added. Page 11 : The description in the “1.2.5.2 Envelope” was added. Page 12 : The description in the “1.2.6.2 Bk Ink Cartridge” / “1.2.6.3 Color Ink Cartridge” was added.
Page 8
Revision Description Issued Date * Section 5 Page 127, 128 : The description in the “5.1 Required Adjustment” was amended. * Section 6 Page 131 : The description in the “6.1.2 Service Maintenance” was added. Page 133, 135 : The description in the “6.1.3 Lubrication” was added. * Section 7 2002/7/24 Page 137-140 : The description in the “7.1.1 Major Component Unit”...
EPSON Stylus C50/C60/C61/C62 Revision C 1.1 FEATURES The major features of EPSON color inkjet dot matrix printer EPSON Stylus C50/C60/ C61/C62 are: High color print quality 1440 (H) X 720 (V) dpi printing (Stylus C50) 2880 (H) X 720 (V) dpi printing (Stylus C60/C61/C62)
EPSON Stylus C50/C60/C61/C62 Revision C 1.2.4.3 Exclusive paper Table 1-6. Exclusive paper Width Length Thickness Weight Quality: EPSON Exclusive paper Item Size (mm) (mm) (mm) (g/m Transparency printing is only available at normal temperature Table 1-6. Exclusive paper Letter 215.9 279.4...
Page 17
- Temperature 15 to 25° ° ° ° C (59 to 77° ° ° ° F) - Humidity 40 to 60% RH EPSON Photo Quality Glossy Film and Self Adhesive Sheets should be stored under the following conditions ; - Temperature 15 to 30° ° ° ° C (59 to 86° ° ° ° F)
EPSON Stylus C50/C60/C61/C62 Revision C 1.2.5 Printing Area 1.2.5.1 Cut sheet Refer to the following table. As for each margin area, refer to Figure 1-4. Table 1-7. Printing area Left margin Right margin Top margin Bottom margin Paper size (min.) (min.)
3 mm (0.12”) 3 mm (0.12”) 14 mm (0.55”) 3 mm (0.12”) 3 mm (0.12”) * Setting direction of Envelope between Stylus C50/60 and C61/C62 is different. Printable area (Rib area) Figure 1-6. Black ink cartridge Figure 1-5. Printable area for envelopes...
Page 20
EPSON Stylus C50/C60/C61/C62 Revision C 1.2.6.2 Black ink cartridge (Stylus C60/C61/C62) 1.2.6.3 Color ink cartridge (Stylus C50/C60/C61/C62) Type : Exclusive cartridge Type : Exclusive cartridge Color : Black Color : Magenta, Cyan, Yellow Print capacity : 600 pages/A4 Print capacity...
: Approx. 18W (ISO10561 Letter Pattern) AC 1200V rms. 1 second Approx. 4W in standby mode (between AC line and chassis) Approx. 0.6W (Power Off Mode) [220 ∼ 240V Version] (Stylus C50/C60) Insulation resistance : 100M ohms min. Rated voltage : AC220V∼240V...
5 years although less than 3 billion dots/nozzle Non-operating : 5 to 85% RH 1.2.10 Safety Approvals (without condensation / with shipment container) Resistance to shock [120V Version] (Stylus C50/C60) Operating : 1G, within 1 ms Safety standards Non-operating : 2G, within 2 ms (with shipment container)
EPSON Stylus C50/C60/C61/C62 Revision C 1.3 INTERFACE DATA data byte n data byte n+1 The EPSON Stylus C50/C60/C61/C62 provides USB and parallel interface as hold standard. -STROBE next 1.3.1 Parallel Interface (Forward Channel) setup BUSY Transmission mode : 8 bit parallel, IEEE-1284 compatibility mode...
Page 25
EPSON Stylus C50/C60/C61/C62 Revision C Table 1-11. Typical time of tack Table 1-13. Connector pin assignment and signals Parallel I/F mode Typical time of tack Return Pin No. Signal name In/Out Functional description GND pin High Speed 0.5us The strobe pulse. Read-in of data is...
EPSON Stylus C50/C60/C61/C62 Revision C Table 1-13. Connector pin assignment and signals (continued) 1.3.2 Parallel Interface (Reserve Channel) Return Transmission mode : IEEE-1284 nibble mode Pin No. Signal name In/Out Functional description GND pin Adaptable connector : See forward channel Pulled up to +5V via 3.3K ohm resistor.
Page 27
EPSON Stylus C50/C60/C61/C62 Revision C Table 1-14. Connector pin assignment and signals (continued) Device ID Stylus C50 Return Pin No. Signal name In/Out Functional description GND pin The printer sends the following device ID string when it is requested. -INIT Not used.
EPSON Stylus C50/C60/C61/C62 Revision C Stylus C61/C62 1.3.3 USB Interface The printer sends the following device ID string when it is requested. Standard : Based on “Universal Serial Bus Specifications Rev. 1.1” When IEEE1284.4 is enabled, “Universal Serial Bus Device Class Definition For Standard spec.
EPSON Stylus C50/C60/C61/C62 Revision C 1.3.4 Prevention Hosts of Data Transfer Time-out An initial state is IEEE1284.4 communication and data that received it by the time Generally, hosts abandon data transfer to peripherals when a peripheral is in the busy it is able to take synchronization by magic string (1284.4 synchronous commands)
Revision C 1.4 PANEL CONTROL 1.4.2 Panel Functions The control panel of the EPSON Stylus C50/C60 is composed of the 2 non-lock type Table 1-16. Panel functions push-buttons (Error reset/Ink cartridge exchange), 1 lock-type push-button (Power), and 2 LEDs. Different from Stylus C50/C60, the Stylus C61/62 is compsed of the 3...
EPSON Stylus C50/C60/C61/C62 Revision C 1.4.3 Printer Condition and Panel Status 1.4.4 Error Status Ink end Table 1-18. Printer condition and LED status When the printer runs out the most amount of the ink of any one color, it indicates Indicators ink low and keeps printing.
EPSON Stylus C50/C60/C61/C62 Revision C 1.4.5 Printer Initialization There are four kinds of initialization method, and the following explains each initialization. Power-on initialization This printer is initialized when turning the printer power on, or printer recognized the cold-reset command (remote RS command).
2.1.1 Printer Mechanism Compression spring The Printer mechanism for the Stylus C50/60 is newly designed. But, the basic component of the Printer mechanism is almost the same as the previous printer (Stylus COLOR 480/580). And also, Stylus C61/C62 is success to Stylus C60 and is the same as its printer mechanism.
# M 1 5 uses PZT (Piezo Electric Element). In order to uniform the ejected ink amount, the Printhead has its own Head ID (6 digits for the Stylus C50 printhead, 11 digits code # M 1 # C 1 5 for the Stylus C60/C61/C62 printhead) which adjusts PZT voltage drive features.
Page 36
EPSON Stylus C50/C60/C61/C62 Revision C Following explains the basic components for the Printhead. CSIC chip Nozzle selector board PZT is an abbreviation of Piezo Electric Element. Based on the drive waveform generated on the Main board, the PZT selected by the nozzle selector IC on the...
Page 37
EPSON Stylus C50/C60/C61/C62 Revision C 2.1.2.1 Printing Process 2.1.2.2 Printing Method This section explains the process which the Printheads of On-Demand inkjet printers For printing dot system, these printers have the following two kinds of printing mode. eject ink from each nozzle.
EPSON Stylus C50/C60/C61/C62 Revision C 2.1.3 Carriage Mechanism The drive of the CR motor is transmitted to the CR unit via the CR timing belt. And, the CR home position is detected with the HP/PE sensor. This sensor is available as the The Carriage mechanism consists of CR motor, Carriage unit (including the Printhead CR home position sensor while the CR motor operates in each sequence.
• Release the Change lever from the Clutch mechanism Drive voltage +42 V +/ - 5% (DRV IC voltage) Clockwise 6 Ω +/ - 10% (per phase at 25 degrees) (Stylus C50/C60) • Pick up and feed a paper Counterclockwise Coil Resistance •...
Page 40
EPSON Stylus C50/C60/C61/C62 Revision C For your reference, the top or the end of a paper is usually detected with the HP/PE 2.1.4.1 Paper Loading Mechanism (ASF unit) sensor. In case that the HP/PE sensor cannot detect the top of a paper in the paper The Paper loading mechanism consists of the Change lever in the Pump unit, the loading sequence, the printer indicates the "Paper out error".
Page 41
EPSON Stylus C50/C60/C61/C62 Revision C Step 1 (ASF Home position) Step 2 Hopper & Paper return plate condition Hopper & Paper return plate condition LD roller shaft LD roller When a paper is loaded When the PF motor pinion ASF hopper...
Page 42
EPSON Stylus C50/C60/C61/C62 Revision C Step 3 Step 4 Hopper & Paper return plate condition Hopper & Paper return plate condition Paper return While the LD roller rotates plate The PF motor pinion gear CW direction (right side Compression ASF hopper rotates CW direction (right spring 2.50...
Page 43
The top of a paper is loaded to the PF roller from the ASF unit in the paper loading shaft is used for the Stylus C50/C60/C61/C62. sequence. And then, when the PF motor pinion gear rotates CCW direction (left side One pair is the PF roller and the Paper guide roller which is assembled in the Paper view), a paper is fed by the PF roller &...
This is to eject the ink from the ink cartridge, the ink cavity and Pump mechanism the cap to the Waste drain ink pad. The cap type of the Stylus C50 is This is to lock the CR unit with the Change lever while the CR the same one as the Stylus C60.
Page 45
EPSON Stylus C50/C60/C61/C62 Revision C Wiper with the Cap unit The wiping operation is controlled by the CR unit movement. This operation is usually performed with every CL sequence which is to absorb the ink from the ink cartridge, the ink cavity by the Pump unit. Following figure shows you the mechanism for the wiping operation.
Page 46
EPSON Stylus C50/C60/C61/C62 Revision C 2.1.5.2 Pump Unit Mechanism Ink eject operation (usual operation) The ink is absorbed from the ink cartridge, the ink cavity and is ejected to the The PF motor also controls the Pump unit mechanism (including the Change lever) as Waste drain ink pad from the cap when the ink tube is pressed by a roller in the well as the Paper loading/feeding mechanism.
When the initial ink charge is completed properly, the printer releases the flag (As for the detailed mechanism for setting the Change lever, refer to Figure 2-9 inside the EEPROM. The Stylus C50 takes 105 seconds to complete the initial ink Step 2) charge sequence and consumes 1/8 of the brand-new black ink cartridge &...
Page 48
CL order for each printer is as follows. - Stylus C50 : CL1 → CL2 → CL1' (In case that the printer keeps the power off the cap based on the periodical large mount flashing timer.
+42VDC Stylus C61/C62 : C482 PSH (For 42V) C417 PSB/PSE *1 : C429 Main board is used for the Stylus C50. Followings show you the Figure 2-16. Electric Circuit 1 (Stylus C50/C60) specification of the C429 Main board. 1) C429 Main : 3 in 1 ASIC + Soldering SOJ ROM (from the first mass production) *2 : C418 Main/Main-B board is used for both the Stylus C60 and the Stylus Photo 810/820.
2.2.1 C417 PSB/PSE board, C482 PSH board 2.2.1.1 C417 PSB/PSE board The power supply boards of the Stylus C50/60/C61/C62 use a RCC (Ringing Chalk Converter) circuit, which generates +42VDC for drive line and +5VDC for logic line to PSC Signal...
Page 51
EPSON Stylus C50/C60/C61/C62 Revision C Regardless of the state of the power switch (On or OFF), the voltage is always +42Vline over voltage protection circuit : applied to the primary side of the power supply board from the moment or at the The output voltage line is monitored by ZD52 and ZD87.
Page 52
Basically, 42 V DC is output by these circuit operations and the number of T1 TRANS(T1) spiral coil. Q2,Q3,Q31 * Unlike the Stylus C50/C60, IC51 which generates +5VDC is not on the C482 PSH Smoothing Main Switching Abnormally Feed board for the Stylus C61/C62. +5VDC is generated on the C484/C484 Main-B...
Page 53
EPSON Stylus C50/C60/C61/C62 Revision C +42Vline over voltage protection circuit : The output voltage line is monitored by ZD52 and ZD87. If the output voltage level of +42VDC line exceeds +48V, this circuit stops the operation of the switching FET Q1 via PC1,Q82 and Q83, and prevents high voltage from being applied to the secondary side.
Figure 2-20. Block diagram for the C418 Main/Main-B/C429 Main board 5VDC 3.3VDC * There is difference of IC location between the Stylus C50 and the Stylus C60. (A/B) : A means the location for the Stylus C50. ASIC (IC1) Motor driver (IC10/11) B means the location for the Stylus C60.
Table 2-8/Table 2-9 shows the function of the each main elements on C418 Main board. Reset IC Reset IC • For +5V; reset when +4.2V is detected BN6150F-E2 Table 2-8. Main elements (Stylus C50) • For +42V, reset when +36.3 V is detected Location Function Head drive control HIC Common Driver...
EPSON Stylus C50/C60/C61/C62 Revision C 2.2.2.2 Printhead Driver Circuit The printhead driver circuit consists of the following two components: Head common driver circuit (Common driver IC9/IC19 & Wave amplifier +4.2V +3.3V Common Nozzle transistor Q2, Q3) Driver(IC19) (IC1) Selector IC VCC45 Nozzle selector IC on the printhead driver.
Page 57
EPSON Stylus C50/C60/C61/C62 Revision C 2.2.2.3 PF Motor (PF/PUMP/ASF Motor) Driver Circuit 2.2.2.4 CR Motor Driver Circuit The motor driver IC (IC10) on the Main board drives PF motor. This product uses 4- The motor driver IC (IC11) on the Main board drives CR motor. This product uses 4-...
Page 58
When the printer power is turned off, the following information is stored in EEPROM +36V (Stylus C50) / +42V (Stylus C60) for the drive line. Reset IC outputs the reset (IC3) which is nonvolatile memory. And, when the printer power is on, CPU (IC1) signal to CPU (IC1) in the following case.
Page 59
EPSON Stylus C50/C60/C61/C62 Revision C 2.2.2.7 Sensor Circuit CPU (IC1) on the Main board monitors the status of the printer by several sensors. E01A24CA However, unlike the previous product, ASF unit on these printers does not have ASF HPPV sensor. Instead of ASF sensor, Change lever and the Clutch mechanism is used to detect ASF home position.
EPSON Stylus C50/C60/C61/C62 Revision C 2.2.3 C483/C484 MAIN-B Board Unlike the previous printer (Stylus COLOR 680), the panel board is eliminated and the switches/LED lights are mounted on the Main board. The logic circuit of the C483/C484 Main-B board is composed of the follows;...
Page 61
EPSON Stylus C50/C60/C61/C62 Revision C 2.2.3.1 Main Elements Table 2-11 shows the function of the each main elements on C483/C484 Main-B board. Table 2-11. Main elements (Stylus C61/C62) Location Function CPU mounted on the MAIN board is driven by clock E01A37**/39** frequency 48 MHz, 24MHz and controls the printer.
Page 62
EPSON Stylus C50/C60/C61/C62 Revision C 2.2.3.2 Printhead Driver Circuit The printhead driver circuit consists of the following two components: +42V +3.3V Common Nozzle Head common driver circuit (Common driver IC10 & Wave amplifier Driver(IC10) (IC8) Selector IC transistor Q1, Q2)
Page 63
0 [A] and the motor drive is turned off to save the power consumption. +42V +42V * Unlike the Stylus C50/C60, regulator IC which generates +5VDC is not on the VREG C482 PSH board for the Stylus C61/C62. Instead of the regulator IC, +5VDC is generated on this motor driver IC.
Page 64
Data reading line (serial data) at power on. +42V line monitoring line VCC: +5V line monitoring line *Unlike Stylus C50/C60, Stylus C61/C62 does not have exclusive regulator IC which generates +3.3VDC from +5VDC. Instead of the regulator IC, this IC generates +3.3VDC from +5VDC. Operating Principles...
Page 65
EPSON Stylus C50/C60/C61/C62 Revision C 2.2.3.6 Sensor Circuit CPU (IC8) on the Main board monitors the status of the printer by several sensors. E01A37CB However, unlike the previous product, ASF unit on these printers does not have ASF SENV +3.3V sensor.
EPSON Stylus C50/C60/C61/C62 Revision C 3.2 Troubleshooting with LED Error Indications * : The explanations for STM3 of the Stylus C50/C61/C62 are the same as the Stylus C60 and Status Monitor 3 Message completely except the followings. 1) Printer name...
Page 69
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-3. Error indication and status monitor 3 Indicators Printer status Status monitor 3 message Condition for error detection Power Error This error is detected when ; 1) the end of a paper is not correctly detected...
Page 70
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-3. Error indication and status monitor 3 Indicators Printer status Status monitor 3 message Condition for error detection Power Error This error is detected when ; No ink cartridge 1) the ink cartridge is not installed to the CR (Black or Color) unit.
Page 71
Stylus Photo 720 Revision B Table 3-3. Error indication and status monitor 3 Indicators Printer status Status monitor 3 message Condition for error detection Power Error This error is detected when the ink consumption amount reaches about 90%. [Bk I/C] [Note] Blink ->...
Page 72
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-3. Error indication and status monitor 3 Indicators Printer status Status monitor 3 message Condition for error detection Power Error This error is detected when the 2nd or more ink Error before the ink...
EPSON Stylus C50/C60/C61/C62 Revision C 3.3 Unit Level Troubleshooting The following is the example of how to use the table. When the CR unit is out of the home position at the power on timing, the fatal error may be caused by the failure of the CR motor. Moreover, there are 3 possible causes on You can identify the troubles by using the checklist in this section after confirming the the CR motor failure.
Page 74
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-5. Check point for the fatal error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the CR motor connector cable is connected to 1.
Page 75
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-5. Check point for the fatal error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the CR home position is correctly detected with 1.
Page 76
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-6. Paper jam error condition and possible cause LED indication Occurrence CR position at the Error condition Unit/Part name Possible cause Check table STM3 message timing power on timing The Torsion spring 0.22 for HP sensor lever comes off.
Page 77
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-7. Check point for the paper jam error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the CR motor connector cable is connected to 1.
Page 78
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-7. Check point for the paper jam error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the Paper return plate operates correctly in the 1.
Page 79
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-7. Check point for the paper jam error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the Paper return plate operates correctly in the 1.
Page 80
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-8. Paper out error condition and possible cause LED indication Occurrence CR position at the Error condition Unit/Part name Possible cause Check table STM3 message timing power on timing The Compression spring 2.50 comes off.
Page 81
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-9. Check point for the paper out error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the Paper return plate operates correctly in the 1.
Page 82
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-9. Check point for the paper out error according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the Paper return plate disturbs the rotation of 1.
Page 83
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-10. Communication error condition and possible cause LED indication Occurrence CR position at the Error condition Unit/Part name Possible cause Check table STM3 message timing power on timing Main board The Main board is defective.
Page 84
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-12. Error condition before the initial ink charge/the I/C replacement CL and possible cause & Ink out error and possible cause LED indication * Occurrence CR position at the Error condition Unit/Part name Possible cause...
Page 85
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-13. Check point for the error before the initial ink charge according to each phenomenon Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if ink cartridge can be used by install it to other 1.
Page 86
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-16. Abnormal noise LED indication Occurrence CR position at the Error condition Unit/Part name Possible cause Check table STM3 message timing power on timing CR unit The lubrication amount of the grease is insufficient.
Page 87
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-18. Poor printing quality Occurrence CR position at the Error condition Phenomenon Unit/Part name Possible cause Check table timing power on timing The seal rubber portion of the Cap has any foreign material or any damage.
Page 88
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-18. Poor printing quality Occurrence CR position at the Error condition Phenomenon Unit/Part name Possible cause Check table timing power on timing PF motor The accuracy of the PF motor is lowered. The PF roller has any foreign material.
Page 89
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-19. Check point for the poor printing quality Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if there is any foreign material around the seal 1. Remove the foreign material around the seal rubber parts on the Cap unit.
Page 90
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-19. Check point for the poor printing quality Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 7. Check if the Slider lock lever is damaged. 7. Replace the Printer mechanism with new Cap unit one.
Page 91
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-19. Check point for the poor printing quality Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the grease is enough on the surface of the 1. Clean the surface of the Front frame with the Front frame.
Page 92
EPSON Stylus C50/C60/C61/C62 Revision C Table 3-19. Check point for the poor printing quality Occurrence Defective timing Detailed phenomenon Check point Remedy unit/part name CR position 1. Check if the any paper dust is adhered to the surface of the 1.
See the precautions given under the handling “WARNING” and “CAUTION” in the This section describes procedures for disassembling the main components of the Stylus following column when disassembling or assembling EPSON Stylus C50/C60/C61/ C50/C60/C61/C62. Unless otherwise specified, disassembly units or components can C62...
Page 95
EPSON Stylus C50/C60/C61/C62 Revision C Danger of explosion if the battery is incorrectly replaced. W A R N I N G Replace only with the same or equivalent type recommended by the manufacture. Dispose the used batteries according to government’s law and regulations.
EPSON Stylus C50/C60/C61/C62 Revision C 4.1.2 Tools 4.1.3 Screws Table 4-2. Screws Use only specified tools to avoid damaging of the printer. Name and specification Outward form Table 4-1. Tools Name Supplier Parts No. C.B.S. SCREW, 3 x 6, F/Zn Phillips Screw Driver (No.1)
EPSON Stylus C50/C60/C61/C62 Revision C 4.1.4 Work Completion Check Table 4-3. Work Completion Check Classifi- If any service is made to the printer, use the checklist shown below to confirm all Item Check Point Status cation works are completed properly and the printer is ready to be returned to the user.
EPSON Stylus C50/C60/C61/C62 Revision C 4.2 Difference on Printer Machanism between 2) Main board The size/connector position of the main board is changed as below. SC60 and SC61/C62 The Stylus C61/C62 is successor to the Stylus C60, and is the same as its printer mechanism basically.
Page 99
EPSON Stylus C50/C60/C61/C62 Revision C 5) Ink cartridge The T-code of the ink cartridge is as follows. Stylus C60 (for all subsidiaries) & Stylus C61 (for Asian subusidiaries) : Bk - T028, Col - T029 Stylus C62 (for European/U.S subsidiaries) : Bk - T040, Col - T041...
EPSON Stylus C50/C60/C61/C62 Revision C 4.3 Disassembly The flowchart below shows step-by-step disassembly procedures. When disassembling each unit, refer to the page number shown in the figure. Upper housing removal Page 93 Printhead removal ASF unit removal Page 95 Page 101...
EPSON Stylus C50/C60/C61/C62 Revision C 4.3.1 Upper housing removal Release total seven hooks of the Upper housing by using the precision screwdriver (-). Move the Edge guide on the ASF unit to the rightmost position. Backside Edge guide right side...
Page 102
EPSON Stylus C50/C60/C61/C62 Revision C Move the protrusion of the Upper housing, which contacts USB interface, to the right side slightly by using the precision screwdriver (-). USB interface Figure 4-6. Protrusion position of the Upper housing Do not damage the protrusion by the precision screwdriver (-).
Remove the both Cover cartridges from the CR unit. C60 and the Stylus Photo 810/820. - Stylus C50/C60/C61/C62 : Printhead for 4col. Release two hooks for securing the Head FFC holder, and remove the Head FFC - Stylus Photo 810/820 : Printhead for 6col.
Page 104
EPSON Stylus C50/C60/C61/C62 Revision C When assembling the Printhead to the CR unit, When assembling the Head cable holder to the CR unit, Make sure to place the Head FFC on the Spacer FFC and the Make sure to place the Head FFC in the correct position.
EPSON Stylus C50/C60/C61/C62 Revision C 4.3.3 CR unit removal Slide the Driven pulley holder to the right side, and remove it forward. Release the Head FFC from the Spacer FFC on the LD roller shaft holder, and Remove the Upper housing from the printer. (Refer to Section 4.3.1) disconnect the Head FFC from the connectors (CN8, CN9) on the Main board.
Page 106
EPSON Stylus C50/C60/C61/C62 Revision C Pull the left end of the CR guide shaft upward, and slide the CR guide shaft to the right side while holding the CR unit by hand. C A U T I O N Spacer holder pulley Figure 4-15.
Page 107
EPSON Stylus C50/C60/C61/C62 Revision C When assembling the CR unit to the printer, Set the left CR guide shaft rod spring between the Spur gear 60 and the Main frame before installing the CR guide shaft Make sure to install the CR grounding plate in the CR unit.
EPSON Stylus C50/C60/C61/C62 Revision C 4.3.4 CR motor removal When the CR motor is removed or replaced with new one, the A D J U S T M E N T Remove the Upper housing from the printer. (Refer to Section 4.3.1) following adjustment must be performed in the order below.
EPSON Stylus C50/C60/C61/C62 Revision C 4.3.5 ASF unit removal Remove the Torsion spring 29.1 from the bottom of the ASF frame and the Pad holder (Paper return plate). Remove the Upper housing from the printer. (Refer to Section 4.3.1) Remove three screws (C.B.S. SCREW 3x6 F/Zn, C.B.S-TITE (P4) 3x6 F/Zn, C.B.P-TITE 3x8 F/Zn) for securing the ASF unit to the Main frame, and remove...
Page 110
EPSON Stylus C50/C60/C61/C62 Revision C When assembling the LD pad on the Pad holder and the Hopper When assembling the ASF unit to the printer, pad on the Hopper, Make sure that the LD roller is set to the ASF home position.
EPSON Stylus C50/C60/C61/C62 Revision C 4.3.6 PSB/PSE unit removal Remove one screw (C.B.S. SCREW 3x6 F/Zn) for securing the Upper power supply board shield plate, and remove the Upper power supply board shield plate. Remove the Upper housing from the printer (Refer to Section 4.3.1).
Page 112
EPSON Stylus C50/C60/C61/C62 Revision C Remove the Upper power supply board from the Lower power supply board shield Make sure to set the Power supply radiator in the correct plate. position. (Refer to Figure 4-28) When assembling the Power supply board to the Lower power...
Page 113
EPSON Stylus C50/C60/C61/C62 Revision C Fasten one screw (C.B.S. SCREW 3x6 F/Zn) for securing the Upper power supply shield plate to the Lower power supply shield plate. (Refer to Figure 4-26) Tightening torque for screw is as follows. • C.B.S. SCREW, 3x6, F/Zn (1 pcs) : 6 ± 1 kgf.cm...
Release the Head FFC from the Spacer FFC on the LD roller shaft holder. Holder shaft unit The Head FFC for Stylus C60 is wider than that for Stylus C50. LD roller shaft holder Step3) Move the Pump unit Step1) Push two hooks...
Page 115
EPSON Stylus C50/C60/C61/C62 Revision C 10. Remove the Spur gear 35.2 from the LD roller shaft. When assembling the HP/PE detection lever to the LD roller shaft 11. Remove the Compression spring, 0.143, and remove the Clutch from the LD roller holder, shaft.
Page 116
EPSON Stylus C50/C60/C61/C62 Revision C When assembling the Clutch mechanism to the LD roller shaft, Do not touch the LD roller. Make sure to set the round hole of the Clutch on the dowel of Do not damage the tooth of the Spur gear 35.2 and the the LD roller shaft.
Page 117
EPSON Stylus C50/C60/C61/C62 Revision C 2) Insert three hooks and one dowel of the Holder shaft unit in the order indicated in the following figure. Hooks Figure 4-40. LD roller shaft holder assembling procedure (2) When installing the dowel of the LD roller shaft holder to the Pump unit, move the Pump unit to the right side slightly.
C.B.S. SCREW, 3x14, F/Zn is cut off at the product line of the Hooks Stylus C50 due to a possibility of Figure 4-42. Circuit board removal HEAD FFC damage caused by HEAD FFC contacting with one of the legs of SW button.
Page 119
EPSON Stylus C50/C60/C61/C62 Revision C When removing the Main board shield plate from the Main When assembling the M/B mounting plate to the Main frame, C H E C K board, pull the part indicated below vertically and remove it.
Page 120
EPSON Stylus C50/C60/C61/C62 Revision C When assembling the SW button, A D J U S T M E N T When assembling the Main board shield plate on the Main R E Q U I R E D Make sure that two hooks of the SW button is correctly fixed board, to the Main frame.
EPSON Stylus C50/C60/C61/C62 Revision C 4.3.9 Waste drain ink pad removal (under the ASF unit) When assembling the Waste drain ink pad to the Lower Remove the Upper housing from the printer. (Refer to Section 4.3.1.) housing, Remove the ASF unit from the printer (Refer to Section 4.3.5) Make sure to set the tip of the ink tube in the correct position of the Lower housing.
EPSON Stylus C50/C60/C61/C62 Revision C 4.3.10 Lower housing removal Slide the Paper eject roller to the left side while lifting up the following portion. Remove the Upper housing from the printer. (Refer to Section 4.3.1) Remove the CR unit from the printer. (Refer to Section 4.3.3) Remove the ASF unit from the printer.
Page 123
EPSON Stylus C50/C60/C61/C62 Revision C Remove three screws (C.B.P-TITE SCREW 3x8 F/Zn) for securing the Printer Do not damage the Spur gear 60 when sliding the Paper eject mechanism to the Lower housing. C A U T I O N roller to the left side.
Page 124
EPSON Stylus C50/C60/C61/C62 Revision C 10. Insert the protrusion of the Cap unit into the cutout portion of the Main frame as 11. Lift the right side of the Printer mechanism carefully while releasing one hook for shown figure below.
Page 125
EPSON Stylus C50/C60/C61/C62 Revision C When assembling the Printer mechanism to the Lower housing, Do not damage the tooth of the Spur gear 60 of the Paper eject roller because its roller is not fixed. Make sure to set the Main frame reinforcing plate correctly at the rightmost screw.
Page 126
EPSON Stylus C50/C60/C61/C62 Revision C When assembling the Paper eject roller to the Lower housing by sliding its roller, Do not damage the tooth of the Spur gear 60 with the PF motor pinion gear. Do not touch the rubber portion.
EPSON Stylus C50/C60/C61/C62 Revision C 4.3.11 Caution regarding Ink system removal, PF roller unit removal and PF motor removal In case that you remove or replace the Ink system (Cap unit & Pump unit), the PF roller unit and PF motor, we recommend to replace with new Printer mechanism with the Lower housing.
EPSON Stylus C50/C60/C61/C62 Revision C 4.3.12 Ink system unit removal Put the right edge of the Main frame on an object so that the Printer mechanism becomes tilted (This is to prevent that gears in the Pump unit drops.). (Cap unit, Pump unit & Waste drain ink pad) Remove the Upper housing from the printer.
Page 129
EPSON Stylus C50/C60/C61/C62 Revision C 10. Remove the Ink system unit (Cap unit and Pump unit) carefully. When assembling as the Cap unit, When removing the Ink system unit, be careful so that the gears Do not touch the sealing rubber portion and the Cleaner C A U T I O N do not come off from each shaft of the Ink system frame.
Page 130
EPSON Stylus C50/C60/C61/C62 Revision C When assembling as the Pump unit, Make sure to set the Compression spring 1.764 for the Change lever in the correct condition. Be careful not to crash or leave any stress on the Ink tube.
EPSON Stylus C50/C60/C61/C62 Revision C 4.3.13 PF roller unit removal Remove the Lower housing from the printer mechanism. (Refer to Section 4.3.10) Remove the Plain washer, 6.9 x 0.5 x 10.4, L/Na by using the tweezers, and slide Remove the Upper housing from the printer. (Refer to Section 4.3.1) the right PF roller bushing to the left side slightly.
Page 132
EPSON Stylus C50/C60/C61/C62 Revision C When removing the PF roller, be careful not to damage the Spur Install the Paper guide upper/left to the Main frame as shown C H E C K gear 60 with the Main frame. figure below, and slide it to the right side.
EPSON Stylus C50/C60/C61/C62 Revision C 4.3.14 PF motor removal When assembling the PF motor to the Main frame, Do not damage the PF motor pinion gear. Remove the Upper housing from the printer. (Refer to Section 4.3.1) Make sure to place the PF motor connector cable to the Main Remove the CR unit from printer.
EPSON Stylus C50/C60/C61/C62 Revision C 5.1 Overview In this printer, it is necessary to perform appropriate adjustment in order to maintain consistent printing function and quality, eliminate differences of each printer mechanism’s characteristics.Therefore, in case that the combination between the...
Page 136
EPSON Stylus C50/C60/C61/C62 Revision C If using new main board in the printer mechanism replacement, C A U T I O N you need to perform EEPROM initial setting of main board. And then, please perform the adjustment by usual procedure.
EPSON Stylus C50/C60/C61/C62 Revision C 6.1 Overview 6.1.2 Service Maintenance If any abnormal print (dot missing, white line, etc.) has occurred or the printer indicates This section provides information to maintain the printer in its optimum condition. the "Maintenance request error" (This error is displayed as "Maintenance call error" in the STM3), take the following actions to clear the error.
Page 139
Waste drain ink pad will be replaced with new one. This is because the "Maintenance request error" will may occur after returning the repaired product to the customer. * : The explanations for STM3 of the Stylus C50 are the same as the Stylus C60/C61/C62 completely except the followings.
EPSON Stylus C50/C60/C61/C62 Revision C 6.1.3 Lubrication Table 6-2. Lubrication point The characteristics of the grease have great affects on the mechanical function and Lubrication type/point Remarks durability, especially does the characteristics about temperature environment. The type • Do not attach the grease to other <Lubrication point>...
Page 141
EPSON Stylus C50/C60/C61/C62 Revision C Table 6-2. Lubrication point Table 6-2. Lubrication point Lubrication type/point Remarks Lubrication type/point Remarks • Use a syringe to apply it. • Use a flux dispenser to apply it. <Lubrication point> <Lubrication point> • Do not touch the lubrication •...
Page 142
EPSON Stylus C50/C60/C61/C62 Revision C G-58 20 mm G-58 Figure 6-5. Lubrication point 2 Figure 6-7. Lubrication point 3 (2) G-46 30 mm G-46 G-58 Figure 6-6. Lubrication point 3 (1) Figure 6-8. Lubrication point 4 Maintenance Overview...
Page 143
EPSON Stylus C50/C60/C61/C62 Revision C G-58 G-58 Figure 6-9. Lubrication point 5 Figure 6-11. Lubrication point 7 Both side G-58 G-46 Figure 6-12. Lubrication point 8 (Stylus C61/C62 only) Figure 6-10. Lubrication point 6 Maintenance Overview...
C418 MAIN/Main-B/ CN12 For connection with the CR motor Table 7-12 C429 Main C483 Main-B Parallel I/F C484 Main-B Table 7-2. CN2 - Power supply board (Stylus C50) AC power Signal name Function CN8, CN9 CN12 PSC signal Ground Printhead...
Page 146
EPSON Stylus C50/C60/C61/C62 Revision C Table 7-3. CN2 - Power supply board (Stylus C60) Table 7-7. CN7 - PF motor (Stylus C50/C60/C61/C62) Signal name Function Signal name Function PSC signal Phase drive signal (A) Ground Phase drive signal (-A) +42V...
Page 147
EPSON Stylus C50/C60/C61/C62 Revision C Table 7-9. CN8 - Printhead (Stylus C60/C61/C62) Table 7-10. CN9 - Printhead (Stylus C50) Signal name Function Signal name Function GND (GND2)* Ground Head drive pulse ( trapezoid waveform) Head drive pulse ( trapezoid waveform)
Page 148
EPSON Stylus C50/C60/C61/C62 Revision C Table 7-11. CN9 - Printhead (Stylus C60/C61/C62) Table 7-12. CN12 - CR motor (Stylus C50/C60/C61/C62) Signal name Function Signal name Function Selection signal for CH signal Phase drive signal (A) Printing data output (1) Phase drive signal (-A)
Page 150
EPSON Stylus C50/C60/C61/C62 Revision C Table 7-13. EEPROM address map (Stylus C50) (continued) *b : Manufacture and Description name show the following setting. Name mode QPIT Factory Address Explanation Setting setting setting Bit7 Bit6 Name mode Ink counter Cc Ineffective...
EPSON Stylus C50/C60/C61/C62 Revision C 7.4 Parts List Table 7-19. Stylus 50 parts list Code Parts Name <Stylus C50> PLATE SPRING,COVER,CARTRIDGE Table 7-19. Stylus 50 parts list HOLDER,CABLE HEAD;B Code Parts Name C.B.P-TITE SCREW,3X8,F/ZN HOUSING,UPPER ASSY.,C429 C.B.S. SCREW(B300204211) PAPER SUPPORT EDGE GUIDE STACKER ASSY.,C429...
Page 179
EPSON Stylus C50/C60/C61/C62 Revision C <Stylus C60> Table 7-20. Stylus C60 parts list Code Parts Name Table 7-20. Stylus C60 parts list TORSION SPRING RIGHT,SHAFT,CR GUIDE Code Parts Name TORSION SPRING LEFT,SHAFT,CR GUIDE HOUSING,UPPER SHAFT,CR,GUIDE COVER,PRINTER SPACER,FFC PAPER SUPPORT PLATE SPRING,COVER,CARTRIDGE LOGO PLATE 10X40;C...
Page 180
EPSON Stylus C50/C60/C61/C62 Revision C Table 7-20. Stylus C60 parts list Table 7-21. Stylus 61/C62 parts list Code Parts Name Code Parts Name PAD,PRINTER MOTOR ASSY.,CR PAD,ACCESSORY INSULATOR, MOTOR, CRi PLASTIC PROTECTIVE BAG,650X420X0.03T FOOT PAD,CR FRAME, FRONT ASSY, C418 SLIDER, CR TIMING BELT <Stylus C61/62>...
EPSON Stylus C50/C60/C61/C62 Revision C 7.5 Electrical Circuits The electric circuit diagrams below are shown at the following pages: C418 Main/Main-B/C429 Main control circuit board C417 PSB/PSE power supply circuit board Appendix Electrical Circuits...