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HiTi Digital Photo Printer 640PS, Service Manual

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HiTi Digital Photo Printer 640PS Service Manual Download Page 57

Confidential 

57

 

Unplug 3 connectors from card board 

       

 

 

Take out card board 

 

 

 

 

 

 

 

Summary of Contents for Photo Printer 640PS

Page 1: ...Confidential 1 64xPS ID Service Guide Version 1 1 The Service Guide was written mainly for engineers Please Do Not reproduce and duplicate...

Page 2: ...Confidential 2 Chapter 1 Overview Chapter 2 Theory of Operation Mechanism Firmware Chapter 3 Disassembly Index of Parts Tools required Chapter 4 Adjustments Chapter 5 Contact Information...

Page 3: ...41PS can also be operated without a direct or indirect connection to a personal computer This printing style is called standalone printing In this mode images are being selected with the handheld TFT...

Page 4: ...alone operation PC link You can instantly preview what you want to print 640PSand 641PS can be used to read your images from a memory card it has the functions of a card reader 641PS only 641PS can a...

Page 5: ...paper An overcoat is then layered down on top of the paper to protect the color against water and ultraviolet rays and to prevent it from fading Compared with some other photo capable printing techno...

Page 6: ...Confidential 6 Hardware Thermal Print Head TPH Thermal Print Head TPH is the key component for D2T2 printer like the inkjet printing head for inkjet printer Heating Element Driver IC PCB...

Page 7: ...Firmware located on IC A and IC B controls the actions of the printer by reading and writing the registers Please note IC B is a back up to IC A The VR Variable Resistance on the main board is used to...

Page 8: ...ce on the power board is used to adjust the voltage of the THP This controls the color density of the printout The illustration belowshows the image of a 640PS power board Note If the color density is...

Page 9: ...Confidential 9 TPH Board The TPH Board connects the cables Ribbon LED cable TPH Cable Cassette Sensor Cable Fan Cable The TPH board connects then to the motherboard TPH Board...

Page 10: ...l Card Memory Stick 641PS The 641 PS card board features an enhanced USB Connector This USB Connector connects Picture Bridge compatible cameras external hard drives and storage cards such as USB memo...

Page 11: ...Confidential 11 The illustration belowshows the 641 PS card board 4 in 1 memorycard socket CompactFlash socket USB DataLink Socket...

Page 12: ...ould include an initial setting of the LCD driver IC the LED backlight control the button pushed sensing and communication with the main board The serial EPROM stores the setting data of the LCD that...

Page 13: ...r s position Capstan motor The Capstan motor is a bipolar motor which drives the Capstan roller to control the movement of the paper Ribbon ADF motor The Ribbon ADF motor is a bipolar motor which feed...

Page 14: ...o communicates any error messages For example The steadily shining Green LED indicates the ready stage of the printer The blinking Green LED indicates that the printer is busy The blinking Orange LED...

Page 15: ...gap between the platen roller TPH is at its largest and the pinch roller is relaxed The printer is at this position when the printer powers on or resets P2 Load Position The gap between platen roller...

Page 16: ...ensorand Jam Sensor The purpose of both sensors is to detect the status of paper The sensor will be on when it detects the loading of paper The LE Sensor will be off if it does not detect paper loadin...

Page 17: ...is used to detect the status of the ribbon cassette and the ribbon door The ribbon cassette sensor will be on if the ribbon cassette type is correct the Ribbon Cassette Sensor will be off if the ribbo...

Page 18: ...Sensor is used to detect the ribbon status it enables the printer to detect the correct ribbon color At the yellow or overcoat layer the ribbon sensor detects a HIGH value In the magenta and cyan lay...

Page 19: ...Confidential 19 Fan The Fan reduces the temperature of the TPH Thermal Print Head The fan only starts to operate as soon as the temperature reaches a certain degree Fan...

Page 20: ...t button B Case back C Main board D Bracket and power board E TPH board F Chassis G Case front H Ribbon door I Paper door J Paper cassette K Card board L Controller M Controller holder Transmission Th...

Page 21: ...the paper take up roller The paper take up roller will grab the top paper and lead the paper into the pre set paperpath 3 The paper now passes the leading edge LE sensor The paper will then be grabbe...

Page 22: ...el Bar after it receives power by Gear 5 Both gear sides will then rotate synchronously iii The process of the power transmission will go to Gear 5 Gear 7 Cam 1 Cam 3 Gear 6 Gear 8 Cam 2 and Cam 4 iv...

Page 23: ...can easily be downloaded from the HiTi support website Go to www hi ti com then find the Support section Firmware updates are always recommended and help to increase the printer s lifetime and efficie...

Page 24: ...tion Cam Cam 7 Ribbon registration M ADF Ribbon 8 Back paper Capstan LE Jam 9 Cam load to print position Cam Cam 10 Print Magenta Capstan LE Jam 11 Cam print to load position Cam Cam 12 Ribbon registr...

Page 25: ...ower on Blinking fast Printer is writing firmware IMPORTANT NEVER TURN THE PRINTER OFF WHILE ANY LIGHT IS BLINKING OR WHILE YOU CAN STILL HEAR OPERATIONAL SOUNDS FROM THE PRINTER Orange Signal Light M...

Page 26: ...must not be blocked or covered Placingthe printer on a bed sofa rug or other similar not firm surfaces may block the openings The printer should never be placed near or over a radiator or heat regist...

Page 27: ...Confidential 27 Tools Tweezers Screwdriver minus...

Page 28: ...Confidential 28 Screwdriver plus IC Clamp...

Page 29: ...Confidential 29 Wire Cutter...

Page 30: ...sassemble these Parts HiTi strictly prohibits anyone to disassemble the TPH Thermal Print Head and the Bracket idle Both parts need to be calibratedby a specific calibration device and cannot be repai...

Page 31: ...rd 640PS Main board 641PS Power board THP board Card board 640PS Card board 641PS Motor ADF motor Cam motor Capstan motor Wire cable Jam sensor LE leading edge sensor Cam sensor Ribbon cassette door s...

Page 32: ...Confidential 32 Visual Disassembly...

Page 33: ...Confidential 33 ADF MOTOR Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws from case back...

Page 34: ...Confidential 34 Separate case front and case back with chassis Unscrew 3 screws from chassis Unscrew 2 screws fromADF motor frame...

Page 35: ...Confidential 35 Unplugconnector from main board Take ADF motor out...

Page 36: ...Confidential 36 BRACKET Unscrew 4 screws from bracket Unplug5 connectors from power board Unscrew screw from bracket...

Page 37: ...Confidential 37 Separate case back and bracket with power board Unscrew 5 screws from power board Separate power board and bracket...

Page 38: ...Confidential 38 CAM MOTOR Unscrew 2 screws from case back Separate case front and case back with chassis Unscrew 3 screws from chassis...

Page 39: ...Confidential 39 Unscrew 3 screws from the card board Unscrew 2 screws from the cam motor...

Page 40: ...Confidential 40 Unplugconnector from main board Take cam motor out...

Page 41: ...Confidential 41 CAM SENSOR Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws from case back...

Page 42: ...Confidential 42 Separate case front and case back from chassis Unscrew 3 screws from chassis Unscrew 2 screws from cam sensor...

Page 43: ...Confidential 43 Unplugconnector from main board Take cam sensor out...

Page 44: ...Confidential 44 CAPSTAN MOTOR Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws from case back...

Page 45: ...Confidential 45 Separate case front and case back with chassis Unscrew 3 chassis screws Unscrew 2 screws from capstan motor...

Page 46: ...Confidential 46 Unplugconnector from main board Take capstan motor out...

Page 47: ...Confidential 47 CAPSTAN ROLLER Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws from case back...

Page 48: ...Confidential 48 Separate case front and case back with chassis Unscrew 3 chassis screws Unscrew 3 screws fromADF motor frame...

Page 49: ...Confidential 49 Unscrew 2 screws from tray front Remove blue ribbon holder Take tray front out...

Page 50: ...Confidential 50 Release pinch spring Apply caution when you pull down the spring Apply caution when you release the spring Do not stretch the springand do not pull too hard...

Page 51: ...Confidential 51 Pull pinch roller see Pinch Roller section for more details...

Page 52: ...Confidential 52 Unscrew 3 card board screws Unscrew 3 screws holding the capstan motor frame Unscrew 3 screws from cam motor frame...

Page 53: ...Confidential 53 Take pulley out from capstan roller Take e ring out from capstan roller...

Page 54: ...Confidential 54 Take pinch roller out...

Page 55: ...Confidential 55 CARD BOARD 641PS Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws from case back...

Page 56: ...Confidential 56 Separate case front and case back with chassis Unscrew 3 chassis screws Unscrew 3 card board screws...

Page 57: ...Confidential 57 Unplug3 connectors from card board Take out card board...

Page 58: ...Confidential 58 CARD BOARD CABLE Open the ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws from case back...

Page 59: ...Confidential 59 Separate case front and case back with chassis Unscrew 3 screws from chassis Unplugconnector from card board...

Page 60: ...Confidential 60 Unplugconnector from main board Take card board cable out...

Page 61: ...Confidential 61 CARD BOARD Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws from case back...

Page 62: ...Confidential 62 Separate case front and case back with chassis Un screw 3 chassis screws Unscrew 3 card board screws...

Page 63: ...Confidential 63 Unplug2 connectors from card board Take card board out...

Page 64: ...Confidential 64 CASE BACK Open ribbon door Bend both sides of ribbon door backwards to remove it Unscrew 2 screws from case back...

Page 65: ...Confidential 65 Separate case front and case back with chassis Unscrew 3 screws from chassis Take eject button out of case back...

Page 66: ...Confidential 66 Unscrew the ground wire screw and unplug the 2 connectors from main board Separate case back and chassis Unscrew 4 screws from bracket...

Page 67: ...Confidential 67 Unplug3 connectors from power board Unscrew the screws from bracket Take power inlet and switch out of case back...

Page 68: ...Confidential 68 Take case back out...

Page 69: ...Confidential 69 CASE FRONT Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws from case back...

Page 70: ...Confidential 70 Separate case front from case back with chassis...

Page 71: ...fidential 71 CONTROLLER BOARD Unscrew 4 screws from controller case back Unplugconnector of controller cable from controller board Unplug2 connectors from LCD from controller board Take out controller...

Page 72: ...Confidential 72 Take controller board out...

Page 73: ...Confidential 73 CONTROLLER CABLE Unscrew 4 screws from controller case back Unplugconnector of controller cable from controller board...

Page 74: ...Confidential 74 Take controller cable out...

Page 75: ...Confidential 75 DOOR SENSOR Open ribbon door Bend both sides of ribbon door back to remove it Unplugconnector from TPH board Remove glue on door sensor...

Page 76: ...Confidential 76 Push ribs on both sides and take door sensor out Take door sensor out...

Page 77: ...Confidential 77 EJECT BUTTON Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws from case back...

Page 78: ...Confidential 78 Separate case front and case back with chassis Unscrew 3 screws from chassis Take eject button out of case back...

Page 79: ...Confidential 79...

Page 80: ...Confidential 80 FAN Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws holding the fan Unplugfan connector from TPH board...

Page 81: ...Confidential 81 Take fan out...

Page 82: ...Confidential 82 IC FLASH Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws from case back...

Page 83: ...Confidential 83 Separate case front and case back with chassis Unscrew 3 screws from chassis Take IC flash out...

Page 84: ...Confidential 84...

Page 85: ...Confidential 85 JAM SENSOR Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws from case back...

Page 86: ...Confidential 86 Separate case front and case back with chassis Unscrew 3 screws from chassis Remove glue on jam sensor...

Page 87: ...Confidential 87 Unplugconnector from main board Take jam sensor out...

Page 88: ...Confidential 88 LEADING EDGE SENSOR Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 case back screws...

Page 89: ...Confidential 89 Separate case front and case back with chassis Unscrew 3 chassis screws Unscrew 3 screws fromADF motor frame...

Page 90: ...Confidential 90 Unscrew 2 tray front screws Remove blue ribbon holder Take tray front out...

Page 91: ...Confidential 91 Unplugconnector from main board shown 640PS main board Unscrew screw holdingLeading Edge sensor LE Sensor...

Page 92: ...Confidential 92 Take Leading Edge sensor out...

Page 93: ...Confidential 93 MAIN BOARD MotherBoard 640PS Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws from case back...

Page 94: ...Confidential 94 Separate case front and case back with chassis Unscrew 3 screws from chassis Unplug2 connectors from main board shown 640PSmain board Separate case back and chassis...

Page 95: ...Confidential 95 Take IC flash out Unscrew 2 screws and unplugother connectors from main board Take main board out shown 640PS main board...

Page 96: ...Confidential 96 MAIN BOARD MotherBoard 641PS Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws from case back...

Page 97: ...Confidential 97 Separate case front and case back with chassis Unscrew 3 chassis screws Unplug3 connectors from main board Shown 641PS Main Board Separate case back and chassis...

Page 98: ...ake IC flash out Unscrew 2 screws and unplugthe other connectors from main board Please note The blue square indicates the location of connector for the data link cable 641PS Take main board out Shown...

Page 99: ...Confidential 99 PINCH ROLLER Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws from case back...

Page 100: ...Confidential 100 Separate case front and case back with chassis Unscrew 3 screws from chassis Unscrew 3 screws fromADF motor frame...

Page 101: ...Confidential 101 Unscrew 2 tray front screws Remove blue ribbon guide Take tray front off from chassis Blue Ribbon Guide...

Page 102: ...Confidential 102 Release pinch spring...

Page 103: ...careful not to damage the capstan roller in the back Apply a screw driver be careful not to damage the capstan roller Pinch Roller Screw Driver Capstan roller behind Pinch roller steal color Be carefu...

Page 104: ...Confidential 104 Pull pinch roller out Take pinch roller out...

Page 105: ...Confidential 105 Power Board Unscrew 4 screws from bracket Unplug5 connectors from power board Unscrew screws from bracket...

Page 106: ...Confidential 106 Unscrew 5 screws from power board Separate case back and bracket from power board...

Page 107: ...Confidential 107 RIBBON DOOR Open ribbon door Bend both sides of ribbon door back to remove it Take ribbon door out...

Page 108: ...Confidential 108 RIBBON LED Open ribbon door Bend both sides of ribbon door back to remove it Unscrew the Ribbon LED screw...

Page 109: ...Confidential 109 Unplugconnector from TPH board Take ribbon LED out...

Page 110: ...Confidential 110 RIBBON SENSOR Open ribbon door Bend both sides of the ribbon door back to remove it Unscrew 2 screws from case back...

Page 111: ...Confidential 111 Separate case front and case back from chassis Unscrew 3 chassis screws Unscrew 3 screws fromADF motor frame...

Page 112: ...Confidential 112 Unscrew 2 tray front screws Remove blue Ribbon holder Take tray front out...

Page 113: ...Confidential 113 Unplugconnector from main board Take ribbon sensor out...

Page 114: ...Confidential 114 STATUS LED Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws from case back...

Page 115: ...Confidential 115 Separate case front and case back with chassis Unscrew 3 chassis screws Unscrew 3 card board screws...

Page 116: ...Confidential 116 Take status LED out from chassis Unplugthe connector from main board...

Page 117: ...Confidential 117 Take status LED out...

Page 118: ...Confidential 118 TPH BOARD Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws and unplug7 connectors from TPH board...

Page 119: ...Confidential 119 Take TPH board out...

Page 120: ...Confidential 120 TPH LINKAGE Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws...

Page 121: ...Confidential 121 Separate case front and case back with chassis Unscrew 3 screws from chassis Unscrew 3 screws fromADF motor frame...

Page 122: ...Confidential 122 Take c ring out Unscrew 2 screws from exit roller Take shaft out...

Page 123: ...Confidential 123 Unscrew screw and unplug 2 connectors from TPH board Take TPH linkage out...

Page 124: ...Confidential 124 TQL Open ribbon door Bend both sides of ribbon door back to remove it Unscrew 2 screws from case back...

Page 125: ...Confidential 125 Separate case front and case back with chassis Unscrew 3 screws from chassis Unscrew 3 screws fromADF motor frame...

Page 126: ...Confidential 126 Take c ring e ring out Take TQL out...

Page 127: ...Confidential 127 TRAY FRONT Open ribbon door Bend both sides of the ribbon door back to remove it Unscrew 2 screws from case back...

Page 128: ...Confidential 128 Separate case front and case back with chassis Unscrew 3 screws from chassis Unscrew 3 screws fromADF motor frame...

Page 129: ...Confidential 129 Unscrew 2 screws from tray front Remove blue Ribbon holder Take tray front out from chassis...

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