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Epson STYLUS COLOR 480, Service Manual

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Epson STYLUS COLOR 480 Service Manual Download Page 98

EPSON Stylus COLOR 480

Revision B

Disassembly and Assembly

Disassembly

98

.

n

When you replace the ASF frame or Hopper with the new one, 
make sure to lubricate the specific amount of G26 into the groove 
on ASF frame. Refer to Figure 6-7 & Figure6-9 in the Chapter 6.

n

Fasten the ASF unit C.B.S. TITE (P4) 3x6,F/Zn screw (left screw 
in the following figure), Plain washer 3.2x1x7,F/Zn & C.B.S 
3x6,F/Zn screw (right screw in the following figure) in the order 
of following figure.

Figure 4-61.  ASF fixing screws fastening order

n

Tightening torque for screw

• C.B.S. 3x6 F/Zn screw for ASF                        : 9+/-1 kgf.cm

(right screw in above figure)

• C.B.S. TITE(P4) 3x6, F/Zn screw for ASF     : 9+/-1kgf.cm

(left screw in above figure)

1

2

Summary of Contents for STYLUS COLOR 480

Page 1: ...EPSON STYLUSCOLOR480 Color Inkjet Printer SEIJ00002 SERVICE MANUAL ...

Page 2: ...bject 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 The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof PSON is a registered trademark of SEIKO EPSON CORPORA...

Page 3: ...ELECTRONICS TECHNICIANS IN THEIR LINE OF WORK WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL DO NOT CONNECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO WHEN THE POWER SUPPLY CABLE MUST BE CONNECTED USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS WARNING REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN MAKE CER...

Page 4: ...ERATING PRINCIPLES Describes the theory of electrical and mechanical operations of the product HAPTER 3 TROUBLESHOOTING Provides the step by step procedures for the troubleshooting HAPTER 4 DISASSEMBLY AND ASSEMBLY Describes the step by step procedures for dissaembling and assembling the product HAPTER 5 ADJUSTMENTS Provides Epson approved methods for adjustment HAPTER 6 MAINTENANCE Provides preve...

Page 5: ...ice or condition that if not strictly observed could result in injury or loss of life Indicates an operating or maintenance procedure practice or condition that if not strictly observed could result in damage to or destruction of equipment May indicate an operating or maintenance procedure practice or condition that is necessary to accomplish a task efficiently It may also provide additional infor...

Page 6: ... change of the top housing securing screw number Page 76 Fig 4 11 Fig 4 12 was revised due to the addition of the Front Housing Stacker Guide Page 139 The Exploded diagram was changed with new figure The Front Housing Stacker Guide was added in the Exploded diagram Page 141 Ref Number 108 Front Housing Stacker Guide was added in the parts list ...

Page 7: ...sm 32 Printhead 33 Printing Process 34 Printing Method 34 Carriage Mechanism 35 Paper Feeding Mechanism 36 Paper Loading Mechanism ASF Unit 37 Ink System Mechanism 40 Pump Unit Wiper mechanism 40 Capping Mechanism 41 Ink Sequence 41 Printing mode 43 Electrical Circuit Operating Principles 44 C367 PSB PSE board 44 C367MAIN B Board 46 Main elements 46 Printhead Driver Circuit 47 PF Motor PF PUMP ASF...

Page 8: ...cement or removal 115 CR motor replacement or removal 115 Printer mechanism replacement 116 Waste ink pad replacement 116 dividual service adjustment program feature 117 Get status function 117 Head cleaning function 117 Initial ink charge function 117 Protection counter check reset 117 EEPROM check function 118 Refurbishment for DOA 119 A4 Check pattern 120 aintenance verview 122 Cleaning 122 Ser...

Page 9: ...C H A P T E R PRODUCTDESCRIPTION ...

Page 10: ...ality color printing n 720dpi H x 720 dpi V dpi printing n MACH technology 4 color printing YMCK n Micro wave Super micro wave printing n Multi Shot Variable dot printing Control panel less Host computer controls the printer Built in I F n IEEE 1284 parallel Windows exclusive printer Small space saving Built in auto sheet feeder n Holds 100 cut sheets 65g m2 n Holds 10 envelopes n Holds 10 transpa...

Page 11: ...RACTER SPECIFICATION o Character code None International character sets is not available Only following characters are available n ASCII 37 characters Space code One Symbol Alphabet A Z Code 41H 5AH Number 0 9 Code 30H 39H SPACE Code 20H Symbol Code 23H n Typeface Bit map LQ font EPSON Courier 10CPI 0 2 1 1 1 7 1 1 2 0 M 1 5 M 1 C 1 C 1 5 Y 1 Y 1 5 B 1 B 4 8 2 2 5 7 8 3 2 3 6 0 1 7 unit mm Table 1...

Page 12: ... at paper feed 1 67inch sec at continuous paper feed 1 2 2 Paper Specification CUT SHEET n Size A4 210 x 297 mm Letter 216 x 279 mm B5 182 x 257 mm Legal 216 x 356 mm Statement 139 7mm x 215 9mm Executive 190 5 x 254 mm n Thickness plain paper 0 08mm to 0 11mm 0 003 to 0 004 n Weight 64g m2 to 90g m2 17lb to 24lb 55 to 78 kg n Paper quality Exclusive paper Bond paper Plain paper recycled paper n A...

Page 13: ...Air mail n ASF hopper available capacity 10sheets OTE Envelope printing is available only in the normal temperature Keep the longer side of the envelope horizontally at setting INDEX CARD n Size A6 Index card 105mm x 148mm A5 Index card 148mm x 219mm 5 x 8 Index Card 127mm x 203mm 10 x 8 Index card 127mm x 203mm n Thickness Less than 0 23mm n ASF hopper available capacity 30sheets C A U T I O N n ...

Page 14: ... x 148 mm 1 Letter 216 x 279 mm n Photo Paper PP2 A4 210 x 297 mm Letter 216 x 279 mm Photo quality card 2 100 x 148 mm 1 Panorama 210 x 594 mm 4 x 6 113 6 x 175 4 100mm x 150mm 200mm x 300mm n Photo Sticker A4 210 x 297 mm A6 105 x 148 mm 8 x 10 100 x 148 mm 1 n Iron ON Transfer Paper A4 210 x 297 mm Letter 216 x 279 mm n Matte Paper A4 210 x 297 mm Letter 216 x 279 mm n High Quality Normal Paper...

Page 15: ...th ESC S command However guaranteed print area of color printing is narrow than BK monochrome printing This is due to the each color nozzles is assigned in the one row nozzles Figure 1 3 Printable Area Table 1 3 Printable Area for Cut Sheet Paper Size Paper Width Paper Length LM RM TM BK Bottom Margin 1 Color Bottom Margin 1 2 A4 210mm 297mm 3mm 14 mm or more than 3 mm 21mm or more than 3mm Letter...

Page 16: ...gnated with ESC S command However guaranteed print area of color printing is narrow than BK monochrome printing This is due to the each color nozzles is assigned in the one row nozzles Figure 1 4 Printable area for Envelop 1 2 4 PG Adjust Lever Unlike other products this printer dose not have the PG Platen Gap adjust lever in the printer mechanism So the Platen Gap value can not be changed accordi...

Page 17: ...nted on the printer within a month at 40 C Dimension 19 8mm W x 52 7 mm D x 38 5mm H Figure 1 5 Black Ink Cartridge COLOR INK CARTRIDGE o Type Exclusive cartridge o Color Magenta Cyan Yellow o Print capacity 150 pages A4 360dpi 5 duty each color o Ink life 2 years from production date o Storage temperature n 30 C to 60 C Being transported within 120 hours at 60 C within a month at 40 C n 30 C to 4...

Page 18: ...0V Input voltage range AC 198 264V Rated frequency range 50 60Hz Input frequency range 49 5 60 5 Hz Rated current 0 2A Max 0 3A o Power consumption Approx 21W ISO IEI 10561 Letter pattern Approx 5 5W in standby mode Energy star compliant o Insulation Resistance 10 M ohms min between AC line and chassis DC 500V o Dielectric Strength AC 1500 V rms 1 minute o Leak Current less than 0 75mA input 276V ...

Page 19: ... to 60 C with shipment container 1 month at 40 C 120hours at 60 C UMIDITY Operating 20 to 80 RH without condensation Refer to Figure 1 7 Non operating 5 to 85 RH without condensation with shipment container e environmental condition should be within the range shown in the figure below Figure 1 7 Environmental Condition RESISTANCE TO SHOCK o Operating 1 G within 1ms operating o Non operating 2G wit...

Page 20: ...d keep the ink cartridge mounted on the printer n Under the power OFF condition if the printhead is not capped turn ON the printer after installing the ink cartridge and turn off the printer after the capping has completed n If the printer kept under 40 C the ink inside the printhead and inside the ink cartridge will be frozen It takes 3 hours at 25 C to recover once frozen ink to be ready for use...

Page 21: ...pulse for the printer to read data Pulse width requires min 0 5µs 500ns High at normal condition Receives data after shifting Low 2 9 20 27 Data1 8 PC The DATA 1 through DATA8 signals represent data bits 1 8 respectively 10 28 ACKNLG Printer A low signal indicates the printer can accept data Pulse width is 0 5 default or can be set at 2µs 11 29 BUSY Printer A high signal indicates that the printer...

Page 22: ...e IEEE 1284 specification xtensibility request data The printer responds affirmatively when the extensibility request values are 00H or 04H 00H Request Nibble Mode Reverse Channel Transfer 04H Request Device ID Return Data Using Nibble Mode Reverse Channel Transfer Table 1 8 Connector Pin Assignment and Signals F Channel Pin No Return GND Pin Signal Name From Function Description 1 19 HostClk PC H...

Page 23: ...equipment when 8 bit data signal 2 9 pin is set to appropriate character code against GND Open 1 Short 0 and connect then forcefully to ACK and STRB However to perform this I F selection of EEPROM must be set to Auto Also IEEE 1284 4 packet mode must be set Off e figure below shows the timing chart of the parallel interface Figure 1 8 IEEE1284 Timing Chart 1 Rise and fall time of every output sign...

Page 24: ...s 25 H On Communication in IEEE1284 4 packet mode is started by receiving a magic string 1284 4 synchronous commands Until a magic string is received other commands are discarded In this setting the printer can not communicate with DOS or Windows 3 X environment Off Communication is carried out in the conventional mode A magnetic string 1284 4 synchronous commands is discarded And only IEEE1284 ni...

Page 25: ... is not IEEE 1284 4 protocol 1 3 5 Panel less control Status Indication On this product the control panel is not assembled in So Printer driver utility STM39 allows to control the printer operation instead of the Control panel and indicates the printer status include the several errors 1 3 5 1 Error Indication on Status Monitor 3 Following printer status is displayed in the STM3 Status monitor 3 o...

Page 26: ...is jammed between the PE sensor and the Paper eject roller this error indication is displayed on the STM3 Figure 1 12 Paper jam error indication o Fatal Error When the general error has occurred this error is displayed on the STM3 For example circuit damage motor damage etc Figure 1 13 Fatal Error indication o Maintenance Error When the waste ink counter reaches to the specific counter value this ...

Page 27: ...he Paper jam error When the paper is jammed STM3 display the following message and printer attempt to eject the Jammed paper by clicking the EJECT button Paper is jammed Click the Eject button to eject any jammed paper If paper is still jammed inside the printer click the Stop button open the printer cover and remove the paper Then close the printer cover and click the Reset button Moreover if the...

Page 28: ...e printer mechanism n Clear the input data buffer n Clear the print buffer n Set default values OFTWARE INITIALIZATION tialization command ESC also initializes the printer n this initialization following actions are performed n Clear the print buffer n Set default values OWER ON INITIALIZATION EXCEPT I F is printer initializes itself when the printer receive the IEEE1284 4 reset command the Parall...

Page 29: ...scription Physical Specification 29 4 Physical Specification IMENSIONS n Stylus Color 480 431 mm W x 311mm D x 271mm H Printing Figure 1 16 Stylus Color 480 Dimensions EIGHT n Stylus Color 480 3 0kg without the ink cartridges 431mm 271mm 311mm ...

Page 30: ... in the Production OTE 1 On the 100 120V version product the power cable is soldered on the PS board directly Table 1 11 Consumables Classification No Name Consumables S020187 Ink Cartridge black S020193 Ink Cartridge color Table 1 12 Enclosed parts Enclosed Parts Quantity User s manual 1 paper CD ROM Driver DISK 1 CD ROM Black ink cartridge 1 Color Ink cartridge 1 Power Code 1 220 240V version on...

Page 31: ...C H A P T E R OPERATINGPRINCIPLES ...

Page 32: ...newly But the basic mponent of the printer mechanism is same as previous product is printer consists of Print Head Carriage Mechanism Paper Feeding Mechanism per Loading Mechanism Ink System Pump Mechanism Cap Mechanism and rriage Lock Mechanism ke other EPSON ink jet printers the Stylus COLOR 480 is equipped with two pping motors one for ASF Paper feeding Pump mechanism and one for CR echanism AS...

Page 33: ... to prevent amount of ink from varying by printheads llowing explains printhead basic components PZT PZT is an abbreviation of Piezo Electric Element Certain amount of voltage expands and contracts PTZ The drive wave generated on MAIN board drives PZT and PZT pushes the top cavity which has ink stored to discharge the ink from each nozzle on the nozzle plate Ink Cavity The ink absorbed from the in...

Page 34: ... For print dot system Stylus COLOR 480 has the following two kinds of printing modes n Multiple shot printing n Variable dot printing The above two printing modes are automatically selected depending on the media and the resolution setting of the printer driver The following explains each printing mode o Multiple shot printing This printing mode is developed to improve the print quality on plain p...

Page 35: ...th the HP PE IC sensor and the detection plate molded in the CR unit as following figure When the CR home position is detected with this sensor HIGH signal is output to the CPU Figure 2 5 CR home position Unlike the previous products I C detection sensor is not built in the CR unit The I C is detected with the HP PE IC sensor and the detection plate molded on the I C cover as following figure The ...

Page 36: ...lowing roller Paper feed roller Paper guide roller assembled on the Top Frame Paper eject roller Star wheel roller assembled on the Paper eject frame Additionally the top end of the paper is detected with the HP PE IC sensor In case the PE sensor dose not detect the paper in the paper loading sequence the printer detects the Paper out error If the paper is detected after complete the paper eject s...

Page 37: ...tch the PF motor drive to ASF unit side o Transfer the PF motor drive to LD roller PF Motor pinion gear rotates CW direction Combination Gear 8 4 21 6 CCW Combination Gear 11 2 32 4 CW Change Lever rotates CW Combination Gear 22 4 32 CCW Spur Gear 35 2 CW include the clutch mechanism LD roller CW Following Figure 2 9 shows the PF motor drive transmission path to the LD roller unit built in the ASF...

Page 38: ...ension spring 0 143 and the Clutch gear is engaged with the Clutch lock tooth as above Step2 s center figure When the PF pinion gear rotates CW direction in the above Step3 s figure the Change lever moves to the right direction with the CW rotation of the Combination gear 11 2 32 4 And the drive from the PF motor is transmitted to the LD roller shaft via Clutch gear and Clutch lock tooth The LD ro...

Page 39: ...re The PF motor pinion gear rotates CW direction and the drive from the PF motor is transmitted to the ASF LD roller shaft through the Clutch lock tooth and the Clutch gear The ASF hopper release lever rotates with the ASF LD roller and release the ASF Hopper The ASF hopper is pushed with the Compression spring 2 67 and the paper is picked up with the ASF LD roller The ASF LD roller rotates CW dir...

Page 40: ...ar 15 CCW Combination Gear 12 6 18 4 CW Spur Gear 15 2 CCW ump unit e Pump unit and Wiper mechanism drives according to the PF motor rotational ection as shown in the right table Table 2 4 PF motor rotational direction Ink System Mechanism 1 The PF Motor rotational direction seen from the right side of the printer Following figure shows the overview of the pump mechanism operation Figure 2 13 Pump...

Page 41: ...ed properly the printer releases the flag inside the EEPROM and no initial ink charge will be performed next time the power is turned on Stylus COLOR 480 takes 110 seconds to complete the initial ink charge sequence and consume about half of the brand new black ink cartridge o Manual Cleaning Unlike the previous models the manual CL is available only though the utility included in the printer driv...

Page 42: ... every D4 command nsportation The time command is generated based on the PC s timer and it consists year and month date hour minutes second As soon as the printer receives the me command from the printer driver it is compared with the latest cleaning time hich is stored in the 6A H 6B H address of the EEPROM And if the timer aning period is over the specific period the printer perform the timer cl...

Page 43: ...ne 360 OFF ON MSD2 Quality 720 x 720 Photo 720 OFF ON VSD 6pl Matte Paper Heavyweight Default 360 x 720 Fine 360 OFF ON MSD2 Quality 720 x 720 Photo 720 OFF ON VSD 6pl Photo paper Default 360 x 720 Fine 360 OFF ON MSD2 Quality 720 x 720 Photo 720 OFF ON VSD 6pl Photo Quality Glossy Film N A 720 x 720 Photo 720 OFF ON VSD 6pl Ink Jet transparencies N A 360 x 360 Normal 360 OFF ON MSD2 Table 2 6 Pri...

Page 44: ...voltage is described below Table 2 7 Application of the DC Voltages This printer dose not have the Power SW So the printer is turned on when the AC cable is connected to the AC inlet If the AC cable is disconnected from the AC inlet this power supply circuit supply 5 voltage for approximately 70us to keep the logic circuit AC voltage input from AC inlet first goes through filter circuit that remov...

Page 45: ...1 F51 is fused and cut off the 42V line output to the Main board o 5V line constant voltage control circuit 5V line over current protection circuit The output level of the 5VDC line voltage is monitored by the regulator IC51 If abnormal voltage is detected the information is fed back to the internal comparator o 5V line over voltage protection circuit The output voltage level of the 5V line is mon...

Page 46: ...board 2 2 2 1 Main elements Table 2 8 shows the function of the each main elements on C367MAIN B A d d r e s s D a t a C R 2 R e s e t I C I C 6 E E P R O M I C 5 C N 6 P a r a l l e l I F Q 1 Q 2 C N 4 P F M o t o r C R M o t o r C N 3 P R O M 4 M I C 3 H e a d E 0 1 A 1 4 N A C P U I C 1 M o t o r D r i v e r I C 8 M o t o r D r i v e r I C 9 C N 2 C o m m o n D r i v e r I C 7 D R A M 1 M I C 4...

Page 47: ...ined by the A0 A3 signals and of among data used to determine the waveform angles is selected and appropriate head driver waveform is generated Generated head drive waveform is transferred to nozzle selector IC on the head driver board and applied to the nozzle PZT specified by nozzle selector IC o Head nozzle selector circuit Printing data are allocated to the two rows the number of the head nozz...

Page 48: ... drive form and outputs to motor driver IC IC8 LB1845 from port 139 144 Based on this signal IC8 determines the phase mode The current value on each phase is determined by CPU IC1 and outputs from port 140 141 142 143 to driver IC IC8 Motor driver IC generates motor driver waveform based on these input signals and controls the motor If the printer dose not receive any data from PC for 5 minutes CP...

Page 49: ...ng line 2 2 2 6 EEPROM Control Circuit Since EEPROM is nonvolatile memory it keeps written information if the printer power is turned off When the printer is turned ON CPU IC1 reads data from EEPROM IC5 and when the power is turned OFF it stores data to EEPROM Information stored in EEPROM is listed below n Various ink counter I C consumption counter waste pad counter etc n Mechanical setting value...

Page 50: ...ts that the ink cartridge is not installed in the CR unit and outputs HIGH signal When the ink cartridge is installed in the CR unit the plate molded on the ink cartridge cover dose not contacts with the sensor detection lever and the LOW signal is outputs to the CPU The Ink cartridge installation condition is monitored in the ink cartridge replacement sequence also n Paper Top End position When t...

Page 51: ...C H A P T E R TROUBLESHOOTING ...

Page 52: ...leshooting Flowchart START Unit level Troubleshooting Unit repair Assemble Adjustment END Table 3 1 Motor Coil Resistance Motor Location Check Point Resistance CR Motor CN2 Pin 1 and 3 Pin 2 and 4 10 8 Ohms 10 at 25 C phase PF Motor CN3 Pin 1 and 3 Pin 2 and 4 10 Ohms 10 at 25 C phase Table 3 2 Sensor Check Point Sensor Name Check Point Signal Level Switch Mode HP PE IC Sensor CN1 Pin 1 and 2 Less...

Page 53: ...ide the printer click the Stop button to cancel the print job Then open the printer cover and remove the jammed paper Table 3 4 Error indication Condition Status Monitor 3 Indication Generic Remedy Ink Out Figure 3 4 Ink out 1 Click the How to button and replace the I C by following the procedure Ink Low Figure 3 5 Ink low NOTE If this error is indicated on the monitor you can continue the printin...

Page 54: ...the Set up utility Once this adjustment is performed this indication is not indicated again Use the Print head alignment utility on the printer driver utility menu to align the print head Table 3 6 Error indication Condition Status Monitor 3 Indication Generic Remedy Communication Error Figure 3 8 Communication error 1 Check the correct printer driver is selected in the printer setting 2 Check the...

Page 55: ...rror Indication Condition Status Monitor 3 Indication Generic Remedy Waste Ink pad overflow Error Figure 3 10 Waste Ink Error Replace the Waste drain ink pad with new one and reset the Waste drain ink pad counter Protection counter A by using the Service Adjustment program ...

Page 56: ...h mechanism Table 3 16 General error indication on the STM3 HP IC sensor lever or PE sensor lever dose not move smoothly HP PE IC sensor is defective CR motor is defective PF motor is defective Main board is defective Printer Housing dose not secured with screw on the printer mechanism Table 3 17 Table 3 18 Table 3 19 Communication error on the STM3 The main board is defective The power supply boa...

Page 57: ...h moistened with alcohol to a post card and clean the roller in the same manner If the problem is not solved replace the LD roller with new one LD roller C L S h e e t N o n a d h e s i v e A r e a A d h e s i v e A r e a T h i s s i d e d o w n U s e a p o s t c a r d f o r t h e b a s e s h e e t S t a p l e r s C l o t h m o i s t e n e d w i t h a l c o h o l Table 3 10 Paper out error indicat...

Page 58: ... PF motor coil resistance is about 7ohm by using tester Refer to Table 3 1 1 Connect the PF motor connector to the CN3 on the Main board 2 Replace the PF motor with new one 3 If the problem is not solved replace the Main board with new one Change lever comp spring 0 98 Table 3 12 Paper jam error indication on STM3 Paper Jam error indication on STM3 Step No Detail phenomenon Check point Remedy 1 Pa...

Page 59: ...screen Check if the Torsion spring 0 22 comes off on the both PE sensor lever If the Torsion spring 0 22 is not set on the correct position set it correctly If any paper dust is placed around the PE sensor lever remove it If it is no problem proceed the next step Front paper guide PF grounding spring Front Paper guide Tensionspring 0 22 PE sensor lever Table 3 14 Paper jam error indication on STM3...

Page 60: ...loaded Assemble the torsion spring 28 9 in the ASF frame Torsion spring 28 9 Table 3 16 Paper is always loaded without any print job Paper is always loaded without any print job Step No Detail phenomenon Check point Remedy 1 Paper is always loaded from ASF without any print job ASF hopper continue to flapping when the printer is turned on 1 Check if the tip of the Change lever has any damage 2 Che...

Page 61: ... problem is not solved replace the Main board with new one HP IC sensor lever Torsion spring 0 22 Tensionspring 0 22 PE sensor lever Table 3 18 General Error indication on the STM3 General Error indication on the STM3 Step No Detail phenomenon Check point Remedy 2 When the printer is turned on the CR unit dose not move at all in the power on sequence 1 Check if the CR motor connector is connected ...

Page 62: ...sing Change lever Table 3 20 Communication error on the STM3 Communication Error on the STM3 Step No Detail phenomenon Check point Remedy 1 When the printer is turned on printer dose not operate at all 1 Check if neither CR motor nor PF motor work at all when the printer is turned on 1 Replace the PS board with new one 2 If the problem is not solved replace the main board with new one 2 When the p...

Page 63: ...r and it is not recovered with CL Dot missing occur and it is not recovered with CL Step No Detail phenomenon Check point Remedy 1 In the CL sequence the pump unit seems work correctly But ink is not ejected to the waste ink pad at all Moreover any ink is not absorbed from the head to the cap 1 Check if ink is ejected to the waste ink pad via pump unit in the CL sequence 2 Check if there is any fo...

Page 64: ... the Pump unit with new one Pump tube connection point Pump unit Cap assy Tube Table 3 24 Dot missing occur and it is not recovered with CL Dot missing occur and it is not recovered with CL Step No Detail phenomenon Check point Remedy 2 In the CL sequence ink is ejected to the Waste ink pad this means pump unit cap unit are working correctly But the dot missing is not solved at the specific nozzle...

Page 65: ...unting slat on the both side frame and secure it with Rod spring Figure 4 50 and Figure 4 51 5 Replace the CR guide shaft with new one 6 Replace the Paper eject frame with new one CR movement direction G26 lubrication Table 3 26 Print quality is not good Print quality is not good Step No Detail phenomenon Check point Remedy 1 Ditto 7 Check if the rubber parts are stuck inside the I C cover 7 Stick...

Page 66: ... the EEPROM by using the Adjustment program 4 Ink stains the paper 1 Check if the following parts are stained with ink Upper paper driven roller PF roller Paper guide front Paper eject roller 2 Check if there is some ink drops around the backside of the printhead 3 If the bottom area of the printed paper has ink stain check if the Paper eject frame is secured with three screws 4 If the bottom area...

Page 67: ...C H A P T E R DISASSEMBLYANDASSEMBLY ...

Page 68: ...n Disconnect the power cable before disassembling or assembling the printer n Wear protective goggles to protect your eyes from ink If ink gets in your eye flush the eye with fresh water and see a doctor immediately n If ink comes into contact with your skin wash it off with soap and water If irritation occurs contact a physician n A lithium battery is installed on the main board of this printer B...

Page 69: ...er n Apply lubricants and adhesives as specified See Chapter 6 for details n Make the specified adjustments when you disassemble the printer See Chapter 5 for details n When assembling if an ink cartridge is removed and needs to be installed again be sure to install a new ink cartridge because of the following reasons 1 Once the ink cartridge mounted on the printer is removed air comes in and crea...

Page 70: ...o Checked o Not necessary Paper Feeding Mechanism Is paper advanced smoothly No paper jamming No paper skew No multiple feeding No abnormal noise o Checked o Not necessary Is the PF Motor at correct temperature o Checked o Not necessary Is the paper path free of any obstructions o Checked o Not necessary djustment Specified Adjustment Are all the adjustment done correctly o Checked o Not necessary...

Page 71: ... v a l M a i n B o a r d u n i t r e m o v a l P S B o a r d u n i t r e m o v a l M o t o r r e m o v a l I n k S y s t e m u n i t r e m o v a l C a p u n i t r e m o v a l P u m p u n i t r e m o v a l L D R o l l e r r e m o v a l H P P E I C S e n s o r r e m o v a l R e m o v i n g t h e L D R o l l e r u n i t R e m o v i n g t h e P a p e r E j e c t R o l l e r R e m o v i n g t h e P F R...

Page 72: ...rinter front side Figure 4 2 Removing 1screw for Housing Remove 1 screw C BS 3x6 F Zn screw at the back of the printer and remove the Housing Figure 4 3 Removing 1scew for Housing C B T TITE R 3X6 R Uc screw C B S 3X6 F Zn screw n Tightening Torque for screw C B P TITE R3x6 R Uc screw for housing front side 6 1kgf cm C B S 3x6 F Zn screw for housing back side 6 1kgf cm ...

Page 73: ...moving the Printhead s FFC Remove the Printhead from the CR unit taking the following step Figure 4 5 Removing the one screw tightening the Printhead 6 Disconnect the Printhead s FFC from the connector on the Printhead Figure 4 6 Placing the Printhead s FFC C B P TITE 3X6 F Zn Head FFC Step1 Step2 C H E C K P O I N T n Place the Printhead s FFC in the cable holder by the four portions indicated in...

Page 74: ...1kgf cm J U S T M E N T E Q U I R E D When the Printhead is replaced with a new one following adjustments must be performed in the order below Refer to Page108 1 Initial ink charge 2 Printhead ID input 3 Bi d adjustment When the Printhead is removed and reinstalled only the following adjustment is required Refer to Page106 1 Head cleaning 2 Bi d adjustment Head grounding plate Head installing posi...

Page 75: ... motor to right side Step2 Slide the CR motor to backward to take off the fixing part placing the right side of the CR motor Step3 Slide the CR motor to the left side to take off the fixing part placing the left side of the fixing part Step 4 Figure 4 10 Removing the CR motor 8 Take the CR motor s cable out from the cable hook in the Waste drain ink pad unit 9 Disconnect the CR motor connector cab...

Page 76: ...r back side right side 5 Holding the Left housing lightly pull down the Circuit board unit Then disconnect the following four cables from the corresponding connectors on the Main board n CR motor connector cable CN2 n PF motor connector cable CN3 n Printhead FFC CN4 n HP PE IC sensor cable CN1 6 Remove the following screws securing each circuit board to the Shield plate Figure Figure 4 14 n C364 M...

Page 77: ...fective Main board perform the following service items n Replace the both ink cartridges with a brand new one n Replace the Waste ink drain pad with a new one n Input the Printhead ID n Adjust the Bi d alignment C364 MAIN Board C364 PSE PSE board n Since the cable between C364 MAIN board and C364 PSB E board are directly soldered take the following steps when replacing only one circuit board in th...

Page 78: ...wing suitable screw to secure the PS board Figure 4 15 PS board fixing screws n Install a new cartridge before sending back the printer to the user since the ink cartridge once taken out can not be used again n Installation of I C must be carried out by I C replacement sequence Otherwise ink may not eject properly Refer to the Page101 C B S TITE R 3x6 F UC ...

Page 79: ...re position Refer to the following figure The earth wire for 120V must be placed back side of the Heat sinker HT1 And the earth wire for 220V must be placed in front of the Heat sinker HT1 as following figure Figure 4 16 Earth terminal and wire position Earth terminal 120v Type Heat sinker Heat sinker 220V Type Earth terminal ...

Page 80: ...printer Figure 4 19 Drain ink tube setting position C B T TITE 3x8 F Zn screw Cable holder C B S TITE 3X8 F Zn screw Peel off the adhesive tape C H E C K P O I N T n After assembling the Waste drain ink pad unit be sure to set the following three cables in the cable hook in the Waste drain ink pad unit Refer to the Figure 4 18 n When assembling the Waste drain ink pad unit be sure to set the tip o...

Page 81: ...g two screws securing the PF motor Disconnect the connector cable for PF motor from CN3 on the Main board and take the cable off from the hook on the Waste drain ink pad Remove the PF motor from the right frame C H E C K P O I N T Be sure that the PF motor cable is placed to the backward Refer to the Figure 4 20 C B S 3x6 F Zn screws CR motor n Since the CN 3 is not located near the rear edge of t...

Page 82: ...Main frame Figure 4 22 Removing two screws securing the LD roller holder 4 Push the two hooks of the LD roller shaft holder as shown in the following figure 5 Pull the LD roller shaft holder unit upward from the Main frame Figure 4 23 Pushing two hooks of the LD roller shaft holder 6 Remove the LD roller along with the Clutch mechanism from the LD roller shaft holder unit Figure 4 24 Removing the ...

Page 83: ...2 Spur gear 35 2 n Before assembling the LD roller shaft make sure that the round hole of the Clutch is set on the protrusion on the LD roller shaft as shown in the following figure Figure 4 26 Assembling the Clutch n Assemble the LD roller shaft holder unit to the printer mechanism in the following procedure 1 Set the tip of the Change lever to the printer front side Figure 4 27 LD Roller shaft h...

Page 84: ...to the ASF frame Figure 4 28 LD Roller shaft holder assembling procedure 2 n Fasten the LD roller shaft holder with two C B S 3x6 F Zn screws in the order indicated in the following figure Figure 4 29 Fastening the LD roller shaft holder n Tightening torque for screw n C B S 3x6 F Zn screw for LD roller shaft holder unit 9 1 kgf cm Paper return plate 1 2 ...

Page 85: ... connector Figure 4 30 Removing the HP IC detection lever Release the two fixing hooks for the sensor from the LD roller shaft holder and remove the sensor Figure 4 31 Releasing two fixing hooks for the sensor HP IC detection lever HP PE IC sensor Two fixing hooks C H E C K P O I N T Tor n Make sure that the Torsion spring 0 22 is hung to the following suitable position Figure 4 32 Torsion spring ...

Page 86: ...placed to the suitable groove on the LD roller shaft holder Figure 4 34 Sensor cable placing position 1 Figure 4 35 Sensor cable placing position 2 n Make sure that the each sensor lever turn back smoothly by moving it after the sensor was assembled to the LD roller shaft holder HP PE IC sensor HP PE IC sensor cable HP PE IC sensor cable ...

Page 87: ... C B S TITE 3X6 R F Uc screw C B S 3X6 F Zn screws C A U T I O N n Since the compression spring is included in the Pump assembly watch out for the spring and the gear that pop out from the unit when the Pump assembly is removed from the Ink system unit n When replacing the cleaner head built in the Pump assembly be careful of the following points 1 Do not touch the cleaner head with your bare hand...

Page 88: ...e sure that the ink tube is placed along the following position Figure 4 38 Ink tube placing position n After installing the Pump Assembly ensure that the cleaner parts move back and forth by rotating the Gear Combination gear 9 6 33 6 Combination gear 8 4 21 6 Spur gear 34 2 Spur gear 15 2 Combination gear 12 6 18 4 Cap assembly Ink tube Pump unit n Tightening torque for screw C B S 3x6 F Zn scre...

Page 89: ...r eject roller to the forward Figure 4 40 Slide the Paper eject roller A U T I O N When removing the Front frame if the CR unit is out of the CR home position the nozzle surface of the Printhead may come in contact with Paper guide front as soon as the Front frame is removed This is because the CR unit is held with this frame Therefore be sure to set the CR unit in the CR home position before remo...

Page 90: ...5 EJ to the cut out hole in the Main frame 2 Set the narrow portions of the shaft in the Paper eject roller to the shaft guide holders on the Front paper guide 3 Slide the Paper eject roller to the right side carefully and engage the gear with the Combination gear 12 6 18 4 and the Spur gear 34 2 n When you assemble the Front frame to the Printer mechanism set the CR unit to the left side and asse...

Page 91: ... up the left edge of the Front paper guide while slanting the Front paper guide by pulling up its front edge and then slide the Front paper guide to the left side after releasing the right hook on the Front paper guide Figure 4 44 Remove the Front paper guide 7 Fit the protrusions of the Left PF roller bushing to the notches in the frames as shown in the following figure and remove the PF roller f...

Page 92: ...to the fitting positions secure Slide the Front paper guide to the right side by pushing it and make sure that the right hook on the Front paper guide is locked to the frame securely If the Front paper guide is not fixed securely to the suitable position it may cause the paper jam problem Figure 4 47 Front paper guide assembling notice A D J U S T M E N T R E Q U I R E D n When you replace the PF ...

Page 93: ...t off Release the Printhead FFC from the cable holders on the LD roller shaft holder And disconnect the Printhead FFC from the connector CN4 on the Main board Figure 4 49 Taking Printhead FFC off 4 Release two CR guide shaft rod springs from the both hooks on the left and right sides of the Main frame Figure 4 50 Release Left Rod spring for CR shaft Figure 4 51 Release Right Rod spring for CR shaf...

Page 94: ...products the oil pad is not built in the CR unit n Make sure that the tips of the CR guide shaft rod springs are set in the holes in the Main frame n Make sure that the CR guide shaft rod springs are correctly set in the suitable position Refer to Figure 4 50 Figure 4 51 n If you disassemble the CR unit after removing the CR unit from the printer make sure that the CR Grounding plate is assembled ...

Page 95: ... position J U S T M E N T E Q U I R E D n When you replace the CR unit with a new one lubricate it with the suitable amount of the G 55 grease by the specified position Refer to Chapter 6 Figure 6 4 n When you replace the CR Pulley shaft with new one lubricate it with the suitable amount of G 26 grease by the specific position Refer to Chapter 6 Figure6 6 n When removing or replacing the CR unit w...

Page 96: ...mechanism Figure 4 55 Removing the screws securing the ASF frame Remove the following gears from the ASF frame n Combination gear 11 2 32 4 n Combination gear 22 4 32 n Change lever unit Figure 4 56 Removing the Gears from ASF frame unit 5 Remove the Compression Spring 2 67 located between the ASF Frame and the Hopper and remove the Hopper from the ASF frame Figure 4 57 Removing the Compression sp...

Page 97: ...the ASF frame Figure 4 59 Removing the Pad holder Paper return plate Torsion spring 25 7 ASF Frame Pad holder ASF Frame C H E C K P O I N T n Make sure that the each tip of the Torsion spring 25 7 is set in the slot of the Pad holder and ASF frame Refer to Figure 4 57 n Make sure that the Pad holder moves smoothly after assembling it to the ASF frame n Make sure the change lever setting position R...

Page 98: ... in the Chapter 6 n Fasten the ASF unit C B S TITE P4 3x6 F Zn screw left screw in the following figure Plain washer 3 2x1x7 F Zn C B S 3x6 F Zn screw right screw in the following figure in the order of following figure Figure 4 61 ASF fixing screws fastening order n Tightening torque for screw C B S 3x6 F Zn screw for ASF 9 1 kgf cm right screw in above figure C B S TITE P4 3x6 F Zn screw for ASF...

Page 99: ...C H A P T E R ADJUSTMENT ...

Page 100: ...ect information to the MAIN board using the exclusive adjustment program This section describes the detailed procedures of each adjustment by Adjustment Program Table 5 1 Required Adjustment Performance Priority 1 2 3 4 Replacing parts Service item Initial Ink Charge Head ID Setting Bi D Adjustment Ink pad Counter reset eplacing the Main Board NA Q R NA eplacing the printhead unit Q R S NA eplacin...

Page 101: ...ble The user interface of the main menu on this program is shown below Figure 5 1 Individual service adjustment program main menu C H E C K P O I N T n This adjustment program operates only under Windows 95 98 This program does not operate under DOS or Windows 3 X NT n This adjustment program automatically install the appropriate program according to your OS n Perform this adjustment program using...

Page 102: ...s 95 98 After installation is completed the Stylus COLOR 480 icon will be automatically made in the program menu Go Start Program and click the icon to start this program Table 5 3 Sequential repair service program Repair item Included Adjustment item 1 Printhead removal Head Cleaning Nozzle check Bi d adjustment 2 Printhead replacement Initial charge Head ID Input Nozzle check Bi d adjustment 3 M...

Page 103: ...l name in the screen above model name will not stored in the EEPROM Selecting model name in the screen above determines respective special command for each model Select the Parallel Interface port number which you connect the printer to your PC as above Figure 5 3 3 Select the suitable destination in the market menu World is the standard destination setting except the ESP and EIO The waste drain i...

Page 104: ...n if the printer is error condition and can control the printer under the error condition Following explain you the common function of the Sequential repair service program o Quit If you want to exit this program click the Quit button Following menu is displayed on the screen And clicking the Quit Button in the following menu exit the adjustment program completely Clicking the Next button returns ...

Page 105: ...tridge you will exchange and can perform the I C exchange sequence even if the printer is ink low end condition Figure 5 9 Exchange ink cartridge n Reset the printer This reset function is almost same as the Power on reset and following items are reset by this function Initialize printer mechanism Clears the input data buffer Clears the print buffer Sets default values except I F setting n Check t...

Page 106: ...u to install the brand new I C Figure 5 12 Confirmation message for the brand new I C installation 4 Click the Yes button starts the Powerful CL in order to eject the air bubbles from the printhead cavity In this function CL1 is performed and about 1 8 ink of the brand new Black I C and 1 18 ink of the brand new Color I C are consumed Figure 5 13 Powerful cleaning 5 For the next step click the Noz...

Page 107: ...nt pattern print menu of Figure 5 15 When the Print button is clicked for the 2nd check pattern printing following message is displayed When the same paper used for 1st check pattern printing is set in the ASF and click the OK button in the following message printer advances the paper automatically under the 1st printed pattern and the 2nd check pattern is printed from the position Figure 5 18 Set...

Page 108: ...gram menu Following Printhead replacement menu is displayed Figure 5 19 Printhead replacement program menu Click the Head voltage ID Input in the above menu The screen below appears Input the 6digits code by referring the head ID label stacked on the Printhead and click the OK button Figure 5 20 Head voltage input menu NOTE If you input the incorrect digits code for the Head voltage ID menu follow...

Page 109: ...quence about 1 2 ink of the brand new black I C and 1 6 ink of the brand new color I C are consumed And it takes about 110 seconds If you click the No button the program proceed the I C exchange sequence 6 After complete the Initial ink charge following message is displayed Figure 5 25 Nozzle check pattern function 7 Click the Nozzle check in the above menu to check the nozzle condition After prin...

Page 110: ...pattern print menu of Figure 5 27 When the Print button is clicked for the 2nd check pattern printing following message is displayed When the same paper used for 1st check pattern printing is set in the ASF and click the OK button in the following message printer advances the paper under the 1st check printed pattern and the 2nd check pattern is printed on from the position Figure 5 30 Setting the...

Page 111: ...ROM back up function may be available Connect the defective printer and check if the status monitor display the Fatal error If the status monitor display the Fatal error click the Close button to proceed the next step Most of the case the fatal error is displayed Figure 5 31 Close the Status monitor 2 Click the Main board replacement in the Sequential repair service program The following menu is d...

Page 112: ...essage and click the OK button after the replace the Main board Figure 5 36 Replace the defective main board with new one 6 Turn on the printer and click the Load on EEPROM to copy the EEPROM back up data to the new main board It takes about 30 seconds to complete the EEPROM data copy Figure 5 37 Copy the EEPROM data to the new main board 7 When the EEPROM back up data is copied successfully follo...

Page 113: ...ltage ID input and Bi d Adjustment by following the displayed procedure 12 After complete the Head ID input and Bi d adjustment items click the Ink pad replacement button Replace the Waste drain ink pad with new one by following the message displayed on the screen Turn on the printer after replace the Waste drain ink pad with new one and click the OK button to write the market setting and the defa...

Page 114: ...ain board is replaced with new one the new main board dose not have the current Ink counter and waste drain ink pad counter So you have to replace the Waste drain ink pad and both I C with new one C H E C K P O I N T The current setting is printed at the center of the five Bi d adjustment patterns So check the center pattern and select the most aligned patter number ...

Page 115: ...ound the limit counter replace the pad and reset the counter according to the customer request Click the Menu button to exit this program 5 2 6 CR motor replacement or removal 1 After you replace or remove the CR motor in the service activity Click the CR motor replacement or removal in the Sequential repair service program Figure 5 45 CR motor replacement or removal 2 Click the Bi directional adj...

Page 116: ...replacement When the Waste drain ink pad is replaced with new one due to the maintenance error you have to replace the Waste drain ink pad with new one and reset the counter 1 Connect the printer to your PC and run the Adjustment program If the waste drain ink pad counter reaches to the limit counter the status monitor of this program displays the Maintenance error automatically Figure 5 48 Mainte...

Page 117: ...n the printhead and cap assembly is cleaned Prepare the dummy ink cartridge and S46 cleaning liquid injector before use this program pending on the situation use the individual adjustment program In this section we ll explain only the important item and notice about the usage of this program 5 3 1 Get status function This function is available in the Individual service adjustment program also Use ...

Page 118: ...counter You can check the following information stored in the EEPROM How many times of the manual cleaning were performed on the product What kind of the manual cleaning was performed on the product n Check the EEPROM data You can check the specific data stored in the specific address of the EEPROM Input the specific address with hexadecimal code by referring Section 7 1 2 on page 131 EEPROM map U...

Page 119: ...harged to the waste drain ink pad After complete this sequence this program set the initial ink charge flag into the EEPROM and reset the several ink consumption counters to 0 A U T I O N n After carry out this function replace the waste drain ink pad with new one and reset the Waste drain ink pad counter Otherwise the ink or S46 liquid may leak from the pad during the transportation n Prepare the...

Page 120: ...for this check pattern printing C H E C K P O I N T n The check point for the first black and each color solid pattern beta pattern 360 x 360dpi normal dot in the A4 Check pattern is as follows Any white line is not observed Uneven banding is not observed extremely n The check point for the second Nozzle check pattern 120dpi is as follows Ink is fired from all nozzles Uneven banding is not observe...

Page 121: ...C H A P T E R MAINTENANCE ...

Page 122: ...of ASF LD Roller lowers the friction set the adhesive surface of the cleaning sheet included in the media to the surface of the ASF roller and repeat loading paper from the ASF A U T I O N n Never use chemical solvents such as thinner benzine and acetone to clean the exterior parts of printer like the housing These chemicals may deform or deteriorate the components of the printer n Be careful not ...

Page 123: ...cuted according to various conditions When you select and execute manual cleaning in the Printer driver utility the most appropriate cleaning mode is selected and therefore the cleaning completion period varies depending on the mode Refer to Ink Sequence on page 41 The following is the process to perform the head cleaning from the Printer driver utility As for the operation of the Adjustment progr...

Page 124: ...rinter dose not have control panel As for the procedure refer to Chapter 5 djustment 6 1 3 Lubrication The characteristics of the grease have great affects on the mechanical function and durability especially does the characteristics about temperature environment The type and amount of grease used to lubricate the printer parts are determined based on the results of internal evaluations Therefore ...

Page 125: ...a syringe to apply it 4 Lubrication Point Inside the sliding slot for ASF Hopper on the ASF Frame Refer to Figure 6 7 Lubrication point 4 Lubrication Type G 26 Lubrication Amount Φ1mm x 4points Use a syringe to apply it After lubrication move the ASF hopper manually and smooth out the grease inside the ASF frame 5 Lubrication Point Specified both edges area on the Front frame Refer to Figure 6 8 L...

Page 126: ...PSON Stylus COLOR 480 Revision B Maintenance Overview 126 Figure 6 4 Lubrication point 1 Figure 6 5 Lubrication point 2 Figure 6 6 Lubrication point 3 Figure 6 7 Lubrication point 4 G 55 G 26 G 26 G 26 ...

Page 127: ...PSON Stylus COLOR 480 Revision B Maintenance Overview 127 Figure 6 8 Lubrication point 5 Figure 6 9 Lubrication point 6 Figure 6 10 Lubrication point 7 35mm 35mm 40mm 40mm G 26 G 26 G 26 ...

Page 128: ...C H A P T E R APPENDIX ...

Page 129: ...rinter Mechanism Table 7 1 Connector Summary for C367MAIN MAIN B Connector Function Table to refer to CN1 For connection with the HP PE BCO CCO sensor Table 7 2 CN2 For connection with the CR motor Table 7 3 CN3 For connection with the PF motor Table 7 4 CN4 For connection with the printhead Table 7 5 CN5 For connection with the power supply board Table 7 6 CN6 For connection with the parallel int...

Page 130: ... Head data latch pulse output 5 GND Ground 6 NCHG Out All nozzle fire selection pulse 7 GND Ground 8 SCK Out Serial clock 9 GND Ground 10 SI2 Out Print data output 2 11 SP Out Select signal for CH signal 12 SI1 Out Print data output 1 13 VDD Logic power supply 5V 14 GND2 Ground 15 COM Head drive pulse trapezoid waveform 16 VHV 42V power supply for nozzle selector Table 7 6 CN5 Power Supply Board P...

Page 131: ...D for VhN 00H 1 0BH Head actuator rank ID for VhM 00H 1 0CH Head actuator rank ID for VhV 00H 1 0DH Head actuator rank ID for AR 00H 1 0EH Head rank MW ID 00H 00H 0FH Reserved 00H 00H 10H Password 1 5AH 5AH 11H 0FH 0FH 12H Head actuator rank ID for IWAB 00H 00H 13H Head actuator rank ID for IWCD 00H 00H 14H Head actuator rank ID for IWEF 00H 00H 15H Reserved 00H 00H 16H 19H Custom EEPROM sub numbe...

Page 132: ... setting Factory setting 43H Ink flags 2 bit5 Printed after Cleaning 0 Not printed after Cleaning 1 Printed after Cleaning bit4 YMC first cartridge 0 Not first cartridge 1 first cartridge bit3 Black first cartridge 0 Not first cartridge 1 first cartridge bit2 YMC cartridge changed and cleaned 0 first cartridge 1 changed bit1 Black cartridge changed and cleaned 0 first cartridge 1 changed bit0 Blac...

Page 133: ... 00H 65H 00H 00H 66H Ink counter A 00H 00H 67H 00H 00H Table 7 7 EEPROM Address Map continued ddress Explanation Setting QPIT setting Factory setting 68H Reserved 00H 00H 69H Reserved 00H 00H 6AH CL time Time data command which is sent from printer driver is stored only when the Timer CL is performed 00H 00H 6BH 00H 00H 6CH accumulated printing time 0 minute 1 15 minutes 2 30 minutes 3 60 minutes ...

Page 134: ...PSON Stylus COLOR 480 Revision B ppendix Component Layout 134 2 Component Layout Figure 7 2 C367MAIN Component Layout Parts Side Figure 7 3 C367 MAIN B Component Layout ...

Page 135: ...PSON Stylus COLOR 480 Revision B ppendix Component Layout 135 Figure 7 4 C367PSB Component Layout Figure 7 5 C367PSE Component Layout ...

Page 136: ...PSON Stylus COLOR 480 Revision B ppendix Exploded Diagram 136 3 Exploded Diagram llowing pages shows exploded diagram Figure 7 6 Stylus Color 480 Exploded Diagram 1 ...

Page 137: ...PSON Stylus COLOR 480 Revision B ppendix Exploded Diagram 137 Figure 7 7 Stylus Color 480 Exploded Diagram 2 ...

Page 138: ...PSON Stylus COLOR 480 Revision B ppendix Exploded Diagram 138 Figure 7 8 Stylus Color 480 Exploded Diagram 3 ...

Page 139: ...PSON Stylus COLOR 480 Revision B ppendix Exploded Diagram 139 Figure 7 9 Stylus Color 480 Exploded Diagram 4 ...

Page 140: ...PSON Stylus COLOR 480 Revision B ppendix Exploded Diagram 140 Figure 7 10 Stylus Color 480 Packing material ...

Page 141: ...200 BOARD ASSY MAIN C37 ALUMINIUM ELECTROLYTIC CAPACITOR C39 ALUMINIUM ELECTROLYTIC CAPACITOR C40 ALUMINIUM ELECTROLYTIC CAPACITOR C41 ALUMINIUM ELECTROLYTIC CAPACITOR C45 ALUMINIUM ELECTROLYTIC CAPACITOR C48 ALUMINIUM ELECTROLYTIC CAPACITOR C64 ALUMINIUM ELECTROLYTIC CAPACITOR CN1 CONNECTOR CN2 CONNECTOR CN3 CONNECTOR CN4 CONNECTOR CN6 CONNECTOR 57RE 40360 830B D7B CR2 CERAMIC CRYSTAL D1 DIODE D2...

Page 142: ...G 5 85 518 SPURGEAR 15 2 519 COMBINATION GEAR 8 4 21 6 Table 7 8 Stylus COLOR 480 Parts List Code Parts Name 520 COMBINATION GEAR 9 6 33 6 521 SPACER C RING 522 ROLLER PF 523 BUSHING ROLLER PF 524 BUSHING ROLLER PF LEFT 525 SPACER FASTEN ROLLER PF 526 GROUNDING WIRE ROLLER PF 527 C RING 528 PLANE WASHER 12 2X0 5X15 529 RODSPRING SHAFT CR GUIDE 530 CARRIAGE 531 SHAFT CR GUIDE 532 SLIDER CR 533 GROU...

Page 143: ...ylus COLOR 480 Parts List Code Parts Name 720 SPUR GEAR 35 2 721 COMBINATION GEAR 11 2 32 4 722 COMBINATION GEAR 22 4 32 723 CABLE HEAD B 724 COMPRESSION SPRING 4 80 725 TORSIONSPRING 25 7 726 TORSIONSPRING 0 22 727 COMPRESSION SPRING 3 75 728 SHAFT ROLLER LD SUPPORT 729 C P S TITE P4 3X6 F ZN 730 TRAY POROUSPAD 731 POROUSPAD INKEJECT LARGE 732 POROUSPAD INKEJECT SMALL 733 SHEET PROTECTION D 734 C...

Page 144: ...PSON Stylus COLOR 480 Revision B ppendix Parts List 144 ...

Page 145: ...vision B ppendix Electrical Circuits 145 5 Electrical Circuits e the following pages for the electric circuit diagrams below C367MAIN control circuit board C367PSB power supply circuit board C367PSE power supply circuit board ...

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