Colortrac SmartLF Cx 40 Page 20 Service Manual Download | Manualshive

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NOTES:

Cx40 Service Manual

Page 20 of 80

6

Replacing Boards and Components.

6.1

Replacing Control Panel or Display Board

1.

Remove the Right Hand end cover as shown in Chapter 5.2 page

8.

2.

To remove display board, first disconnect the ribbon cable at the

front of board.

3.

Remove the 4 x M3 nuts underneath the display board using the

5.5mm nut-spinner. Being careful to catch and retrieve the spacers

that will drop as the board is removed.

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Summary of Contents for SmartLF Cx 40

Page 1: ...I In nc c i in nc co or rp po or ra at ti in ng g T Ta an ng ge en nt t a an nd d A AN NA At te ec ch h C Co ol lo or rt tr ra ac c L Lt td d R Re eg gi is st te er re ed d n no o 2 24 44 43 30 08 87...

Page 2: ...ss Park St Ives Huntingdon Cambridgeshire PE17 4WY United Kingdom Tel 44 0 1480 464618 Fax 44 0 1480 464620 www colortrac com Colortrac Ltd makes no warranty with respect to this document and disclaim...

Page 3: ...p Lid Cover 11 5 5 Removing Paper Guide Assembly 15 5 5 1 Replacing Paper Guide Assembly 16 6 Replacing Boards And Components 20 6 1 Replacing Control Panel Or Display Board 20 6 2 Replacing Scan Glas...

Page 4: ...with handling for 44 media width Optical resolution of 600dpi Mono and Greyscale scanning only SmartLF Cx40c Colour Scan width of 40 with handling for 44 media width Optical resolution of 600dpi RGB...

Page 5: ...nical support group will do their best to help any service engineer in difficulties in the field we accept no responsibility if a non approved distributor engineer damages any part of the scanner duri...

Page 6: ...hout the stand and 34 8kg with the stand and is recommend a minimum of two people to lift it safely ROTATING ROLLERS The scanner operates two sets of rollers to move the image across the scanner These...

Page 7: ...ner 5 1 Removing The Left Hand End Cover To remove the Left Hand end cover that covers the control panel of the scanner 1 Remove the 5 x M5 Pan Head Screws holding end cover to the scanner 2 Remove th...

Page 8: ...Hand End Cover To remove the Right Hand end cover that covers the control panel of the scanner 1 Remove the 5 x M5 Pan Head Screws holding the end cover to the scanner 2 Remove the end cover and keep...

Page 9: ...r access panel to be able to get to the Main Processor board and the PSU power supply unit 1 Unplug mains lead and USB Connector 2 Remove the 8 x M3 Black Anodised Pan Head screws holding the rear pan...

Page 10: ...ual Page 10 of 80 3 Gently lower the panel down The panel is hinged so will not need to be totally removed 4 Make sure that none of the cables are being pulled tight or have caught on anything while i...

Page 11: ...ove the top lid cover to gain access to the inside of the paper guide assembly Remove the top cover to gain access to the pinch rollers and paper hold down rollers 1 Open paper guide assembly by relea...

Page 12: ...Service Manual Page 12 of 80 3 Prop the lid open with the safety lever On the Left Hand side of scanner 4 Use a pozi drive screw driver remove the 2 x countersunk screws at either end on the paper gui...

Page 13: ...NOTES Cx40 Service Manual Page 13 of 80 5 Completely remove the lid cover to reveal the inner cover plate 6 Release the safety lever and gently lower paper guide assembly...

Page 14: ...x40 Service Manual Page 14 of 80 7 Remove the 14 x pan head screws from the inner cover plate 8 Store the cover plates somewhere to avoid damage until needed from re assembling 9 Re assembly in revers...

Page 15: ...guide assembly 1 Remove the Left Hand end cover as in chapter 5 1 page 7 2 Remove the Right Hand end cover as in chapter 5 2 page 8 3 Using a flat head screwdriver loosen the hinge pins on either side...

Page 16: ...of the scanner and store safely to prevent damage 6 Replace as described in chapter 5 5 1 page16 5 5 1 Replace the Paper Guide Assembly 1 Make sure the safety lever is moved across the front of the pa...

Page 17: ...80 2 Position the paper guide assembly back on to the scanner Make sure the levers are at the front and the hinge is at the back 3 Make sure the front levers are on top of the locking pin before fixin...

Page 18: ...per guide assembly needs to be in line with the threaded bush of the scanner end cast for the hinge pin to go through Using a screwdriver through the hole move the holes in line with each other 5 Rein...

Page 19: ...Manual Page 19 of 80 6 Tighten hinge pin using flat screwdriver 7 Replace the Left Hand end cover in the reverse order of chapter 5 1 Page 7 8 Replace the Right Hand end cover in the reverse order in...

Page 20: ...d 1 Remove the Right Hand end cover as shown in Chapter 5 2 page 8 2 To remove display board first disconnect the ribbon cable at the front of board 3 Remove the 4 x M3 nuts underneath the display boa...

Page 21: ...age 21 of 80 4 Before removing cables use a pen pencil to indicate which paper sensor cable is connected to which connector 5 Disconnect the ribbon cable to the Combined Main board and the paper senso...

Page 22: ...22 of 80 6 If replacing the display board remove the Pic Chip at this point and place in the new board making sure it is fitted correctly in the socket 7 To remove the keypad remove the 2 x M4 pan he...

Page 23: ...nt the keypad panel with the keypad attached by inserting the 2 x M5 pan head screws with the cable hanging in the front of scanner 9 Insert countersunk screws from top of the keypad with the short sc...

Page 24: ...nsors are inserted in the correct way as marked during removal of the board Fit new board at this point with the pic chip inserted 11 Holding one of the 2 long spacers in position insert display board...

Page 25: ...end is at the bottom and positioned so that is slopes towards the rear of board then insert M3 nuts and tighten all four nuts using the 5 5mm nut spinner 13 Re connect the ribbon cable from the keypa...

Page 26: ...IS 1 Open paper guide assembly by releasing the 2 x latches at either end Prop the paper guide assembly with the safety lever on Left Hand side of the scanner 2 Using a thin Allen key screwdriver lift...

Page 27: ...the new glass at this point making sure the thickest black screening is towards the front of the scanner 4 Repeat removal of scan glass all the way along CIS mounting bracket storing all carefully NOT...

Page 28: ...NOTES Cx40 Service Manual Page 28 of 80 5 Remove the 2 x screws at Right Hand end of CIS mounting bracket 6 Remove 2 x screw at Left Hand end of CIS plate...

Page 29: ...acket down along the length 8 Gently lift the CIS mounting bracket out being careful not to pull on the CIS cables that can be broken if pulled out of sockets incorrectly Rotate the mounting bracket a...

Page 30: ...o be handled carefully to prevent the cores from snapping or being damaged It is recommended that this process can only be repeated maximum of 10 times the cables need to be replaced if it exceeds tha...

Page 31: ...11 Release the CIS by loosening the 2 x grub screws in the side wall of the mounting bracket 12 Use an Allen key screwdriver to lift the CIS from its mounting location making sure that no damage it c...

Page 32: ...nt damage If the CIS is being replaced fit the new CIS at this point 14 Refit the CIS or fit the new CIS into the available slot making sure the CIS mounting bracket is face down and the 3 slots are n...

Page 33: ...against the far side wall of the slot but not so tight as to cause any distortion in the CIS itself Repeat this process for all CIS arrays being replaced or refitted 16 Refit the 2 x retaining bars to...

Page 34: ...S making sure the cable isn t bent over or folded at all during this procedure 18 Rotate the CIS mounting bracket and making sure the cables are carefully fed back into the access holes to avoid foldi...

Page 35: ...th before replacing the glass into the slot in the CIS mounting bracket Make sure the wider edge of the black screening is towards the front of the scanner so the CIS scan line is central in the clear...

Page 36: ...any of the boards and will only replace boards to repair the SmartLF scanners 1 Open rear access panel as described in chapter 5 3 page 9 2 Disconnect CIS ribbon cables by first carefully releasing th...

Page 37: ...anel and gently remove from scanner 5 Replace Main Board as described in chapter 6 3 1 page 37 6 3 1 Inserting Combined Main Board Fit the replacement Combined Main Board as follows 1 Hold replacement...

Page 38: ...ther side of the USB2 connector Then insert the remaining nine M3 x 5mm screws around the board when all are in place tighten all the screws up making sure not to apply too much pressure 3 Make sure t...

Page 39: ...the appropriate ferrite so therefore the exposed wires is facing AWAY from you so you will see the blue backing This is true for ALL 5 ribbon cables 5 Re insert the power Cable PSU DC O P from PSU mo...

Page 40: ...ccess panel as described in chapter 5 3 Page 9 2 Disconnect Power Cable PSU DC O P from PSU and motor drive cable from Combined Mains Board 3 Remove retaining M4 nuts from bottom two locations within...

Page 41: ...NOTES Cx40 Service Manual Page 41 of 80 4 Remove retaining nuts from top two locations within the PSU cover and lower cover 5 Disconnect PSU fan cable from PSU and totally remove cover...

Page 42: ...ower Cable PSU AC I P connector 7 Remove PSU by just pulling off the threaded studs Make sure that the earth lead is still on the location screw on panel During removal be careful of any ribbon cables...

Page 43: ...the new PSU as follows 1 Being careful of cables that might still be connected to the Main Board push the new PSU onto the 4 threaded studs on the access panel 2 Reconnect the power Cable PSU DC O P...

Page 44: ...cable to Combined Main Board into protected cut out in PSU cover and fit cover over PSU onto the same threaded studs as the PSU is fitted to Make sure that the main switch and power inlet are both co...

Page 45: ...ndling when putting the nuts onto the threaded stud 6 Secure the cover on with 2 x M4 nuts at the bottom of the PSU cover though the holes Note it is recommended to put the bottom 2 nuts on first so t...

Page 46: ...rvice Manual Page 46 of 80 7 Fix top of the PSU cover with the other 2 x M4 nuts 8 Reconnect power Cable PSU DC O P from PSU and motor drive cable 9 Close access panel in reverse as described in chapt...

Page 47: ...Remove the Left Hand side cover as show in chapter 5 1 Page 7 1 Loosen the tension adjustment screw to release the pressure on the timing belt 2 Pull the belt off the drive roller pulley and either re...

Page 48: ...e 48 of 80 3 Replace the belt so that it ends up around the pulleys as above Feed the belt around the motor pulley first smallest pulley then around one of the large drive roller pulleys 4 then feed t...

Page 49: ...ck from the belt to do so will cause the scanner to lock up the rollers on very fast scans 6 Replace the Left Hand end cover in the reverse order in chapter 5 1 Page 7 6 6 Replacing Paper Hold Down Ro...

Page 50: ...ither end of the paper guide assembly to release the paper hold down rollers Then lift both the retaining brackets out 4 Release the belt from the paper hold down roller and lift clear of scanner repe...

Page 51: ...ice Manual Page 51 of 80 5 Remove the pulley and replace on the new roller or just replace the pulley if necessary at this point 6 Replace or re fit the rollers and fit the belts around the appropriat...

Page 52: ...NOTES Cx40 Service Manual Page 52 of 80 7 Replace both the retaining brackets over either end of the rollers 8 and replace the 3 x csk screws to hold the retaining brackets in place...

Page 53: ...r hold down retaining brackets at both ends making sure the 2 x springs are held in place as positioning in place Check for free movement when the brackets are screwed in place 10 Replace the top lid...

Page 54: ...r 5 4 page 11 2 At the Right Hand end of the paper guide assembly remove the 3 x csk screws holding the retaining bracket from the under side of the paper guide assembly 3 Remove the paper hold down r...

Page 55: ...anual Page 55 of 80 4 Loosen the black retaining caps from all the pinch roller posts 5 Remove the cap the spring and the plunger from all the pinch roller posts and store safely to prevent loss or da...

Page 56: ...remove the timing belt from the end The paper hold down rollers will lift to allow this to be easier Lift the whole roller assembly from all the posts 7 Remove the pulley from the end of the pinch rol...

Page 57: ...bly or replace the timing belt at this point and refit the pinch roller assembly back into position in the pinch roller posts 9 Feed the timing belt onto both the paper hold down roller pulley and the...

Page 58: ...e plungers springs and caps onto the pinch roller posts Make sure the caps are screwed all the way down 11 Re position the retaining bracket back over the paper hold down rollers and pinch roller asse...

Page 59: ...the retaining bracket back in place 13 Replace the paper hold down retaining bracket making sure the 2 x springs are held in place as positioning in place Check for free movement when bracket screwed...

Page 60: ...ng motor To replace the motor follow these instructions 1 Open access panel as in chapter 5 3 page 9 2 Remove timing belt as shown in chapter 6 5 page 47 3 Loosen 2 x Grub screws and remove motor cog...

Page 61: ...NOTES Cx40 Service Manual Page 61 of 80 5 Reach into the open access panel and pull the motor out of chassis 6 Disconnect the cable from the motor to the Combined Mains Board...

Page 62: ...Re insert the motor inserting the 4 x screw through the 4 holes in the motor cast and the thread of the screws exiting out of the end cast 8 Re fit the 4 x M4 nuts to fasten motor in place making sure...

Page 63: ...in chapter 5 3 page 9 6 9 Replacing Drive Rollers 1 Remove Left Hand end cover as in chapter 5 1 page 7 2 Remove Right Hand end cover as in chapter 5 2 page 8 3 Remove display board as in chapter 6 1...

Page 64: ...S Cx40 Service Manual Page 64 of 80 7 Remove front plate by removing 3 x pan head screw at either end of scanner 8 Remove paper support cover by taking out the pan head screw at either end of the scan...

Page 65: ...9 Lift and pull the paper support cover from the front extrusion 10 Remove rear panel for access to rear extrusion screws Remove the 5 x M3 black pan head screws along the bottom of panel and the 1 x...

Page 66: ...NOTES Cx40 Service Manual Page 66 of 80 11 Remove the 10 x Cap head screws on both sides of both extrusions 12 Lift extrusions from the scanner and store in a safe place to avoid damage...

Page 67: ...e drive roller pulleys by loosening the 2 x grub screws and sliding off 14 Remove 2 x pan head locking screw that holds the roller bearings in place and push the bearings off the roller push the beari...

Page 68: ...sensor cable from the front paper sensor to prevent it from being damaged when the roller is removed 16 Pull the front roller and other bear from the locating hole in Right Hand end cast and being car...

Page 69: ...move the rollers from the scanner and store in a safe place to prevent damage Replace the rollers if necessary at this point 18 Re insert the rollers by first feeding the motor end through Left Hand e...

Page 70: ...ave the bearing in place This might be a bit tight and make sure that the roller does not damage the sensor and cable when being pushed down It is best to leave the sensor cable connector unplugged wh...

Page 71: ...NOTES Cx40 Service Manual Page 71 of 80 21 Fit the Left Hand bearing on the end and push fully in position 22 Refit the 2 x pan head screws to secure both the bearings in place...

Page 72: ...h the other roller pulleys as well as the motor before tightening so that the belt doesn t skew while the motor is running 24 Refit the extrusions over the rollers making sure the front extrusion has...

Page 73: ...nt Move the extrusions until they are holding the mounting bracket firmly in place with no free movement but still able to freely remove the CIS mounting bracket again Tighten up the outside screws on...

Page 74: ...eplace the 3 x pan head screws at either end of scanner Tighten up the paper support screw 29 Replace display board in reverse order as in chapter 6 1 page 20 30 Replace timing belt as in chapter 6 5...

Page 75: ...r 5 3 page 9 2 Remove Left Hand End Cover as in chapter 5 1 page 7 3 Feed the pozi drive screwdriver through the 2 large hole on the underside of the scanner on the Left Hand side of the scanner looki...

Page 76: ...NOTES Cx40 Service Manual Page 76 of 80 5 Disconnect the two connectors to the paper sensors from the display board 6 pull the bracket along with the cables completely out of the scanner...

Page 77: ...ng pin of the sensor into the bracket before re fitting the screw Repeat for both sensors if necessary Re fit the cables to the sensor if they have been removed Replace the cables at this point if req...

Page 78: ...ront sensor is connected to the front connector and the rear sensor cable is on the second connector on the board Before replacing the covers it can be tested to make sure that the sensors are the cor...

Page 79: ...r active but software doesn t see it B H D E Display stays in the initialising stage on power up E F D K L Scanner on and seen by software but no LCD display K F E D Scanner scans but image is corrupt...

Page 80: ...ained L Remove and check each ribbon cable to each CIS in turn Make sure that the cable has a good contact in the connector and has not been broken M Check the CIS devices light up during operation If...

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