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Film Scanner Service Manual

1. Service Manual Film Scanner Document FLM 02A Revision A Film Scanner Service Manual Contents 10 11 12 13 2007 2009 Scanner Won t Come Ready Scan Light Flashes 2 Scanner Bar Moves Back and Forth On Its Own 5 Scan Bar Doesn t Return After Scan 6 Scanning Too Far Not Enough 7 Scanner Not Found 9 Scanning Speed is Very Slow 13 Scanner Won t Start 14 Start Stop Scanning 15 Scanner makes a grinding noise while scanning 16 14 15 16 17 18 19 20 21 22 Scanner makes a grinding noise be 23 fore scanning starts 17 24 Scanner makes a grinding noise af ter scanning finishes 18 25 Slide is sticking catching when 26 scanning 19 27 Image when scanned is elongated stretched 20 28 1 of 45 Confidential and Proprietary Property of tCRco Inc Noisy Loud Scanning Images Lack Grayscale high con trast Speckling Lines on Scanned Images Bad Image Quality Auto Document Feeder Only scans one image at a time Auto Document Feeder does not grab film Cobrascannert is seen as a Microtek or ArtixScan Cannot install Cobrascan drivers Correct Start Up Sequence Scanner Self Test Cleaning Scan Window Scan Bulb Replacement SCSI Issues Cobrascan Error Codes 21 22 24 25 26 27 28 29 32 33 34 35 36 37 38 Document FLM 02A Rev A April 9 2009 Film Scanner Service Manual 1 Scanner Won t
2. SUGGESTION 6 SCSI and USB May be a cable problem Either not in correctly or broken 1 Turn scanner off 2 Remove the cable SCSI or USB from the bottom of the scanner 3 Turn scanner on without cable and wait to see if it comes ready 30 40 seconds 4 Also make sure there are no bent or broken pins on either end of the SCSI cable SUGGESTION 7 SCSI and USB Once Power is switched on the orange light not green light comes up and the green light starts blinking but the slide bar does not start moving for approx 10 seconds this time seems to be longer than usual The bar moves one inch and stops and green light turns off You may have a faulty end of travel switch This is the optical switch under the slide When the slide returns to the home position the slide flag moves between the two parts of the optical switch This looks like two small black squares of plastic coming out of the case under the slide You can access the switch by removing the back from the scanner Locate the switch in the upper left hand side of the scanner and remove the screws that are holding it to the case Examine the switch and clean the optical path with a cotton 2007 2009 3 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual swab or cloth Remove and replace the connection to the motherboard to be sure it is fully plugged into the mother board This may not
3. Suggestions Suggestion 1 1 Open QPC XSCAN32 2 Open a patient and click on scan 3 Click on Scanner Setup button 4 Change the Delay for ADF sec I e change to 10 or 20 seconds Suggestion 2 Need to have a clear plastic film holder This sits in front of the films that are to be feed It holds them in place in case they have been bent or they have been damaged in some way preventing them from sitting in the ADF correctly 2007 2009 28 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 21 Cobrascanner is seen as a Microtek or ArtixScan Description When you load the driver for a cobrascanner it comes up in device manager as a Microtek scanner Reason Incorrect firmware or the firmware has been lost Suggestions SUGGESTION 1 1 2 3 4 5 6 Open Device Manager Click on Update Driver Follow instructions Select location where the driver is located I e C QPC XSCAN32 Click next to install If it does not let you install the driver you have selected i e it comes up with a we have found a closer match however you know it is not the correct scanner then follow suggestion 2 It should also tell you the name of the driver it wants to install i e oem inf please make a note of this for suggestion 2 SUGGESTION 2 If the scanner shows a exclamation mark beside it in device manager it means that a driver
4. 2 Cobrascan stickers with the correct ruler should make sure the Xray is lined up with the 0 SUGGESTION 7 May be scanning to far and causing a grinding noise The grinding noise could be caused from the scan length being to long To check this get the customer to do a scan If the scan bar goes all the way to the end i e moves the film to the end as if it has scanned it and then grinds then it is reaching the end of travel before it has finished scanning Reduce the scan length by 5 at a time When the scanner scans the entire film without grinding then you have the correct settings SUGGESTION 8 Move the film back on the ruler Le if they have it set on 0 Move it back to 0 5 or 1 SUGGESTION 9 Maybe a problem with the computer itself Or the USB SCSI port Try another port Also try another cable Additional Information Please refer to the section Scan Bar Doesn t Return After Scan 2007 2009 8 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 5 Scanner Not Found Description The Scanner Interface returns No Scanner was found in the status box Reason QPC XSCAN32 XSCAN32 cannot find the scanner via system devices Suggestions SUGGESTION 1 SCSI and USB Was the scanner on and ready before the computer was turned on If it was not then 1 Turn computer and scanner off 2 Turn scanner on and wait till the ready light is on and
5. If you do a Scanner Self Test then the error code will change to Error 1 Suggestions SUGGESTION 1 SCSI only Put the scanner through a self test Refer to section on Scanner Self Test 1 Put the scanner through a self test 2 Restart the scanner wait till it comes ready and then turn on the computer 3 See if the Error 2 code has gone SUGGESTION 2 SCSI and USB May be a cable problem 1 Disconnect the SCSI USB cable from both the computer and scanner then reconnect the cable 2 Remove the SCSI card and re seat it to ensure a good connection 3 Note If another SCSI card or cable is around try using SUGGESTION 3 SCSI and USB It may be an issue with dirty glass and scanning lamp Try cleaning the glass and the scanning lamp Refer to section on Cleaning Scan Window SUGGESTION 4 SCSI and USB You can also try reinstalling the QPC XSCAN32 soft ware after doing an uninstall of QPC XSCAN32 Error 204 Message Description When you press Scan in the Scanner Interface of QPC XSCAN32 and the status bar reads Error 204 Reason Scanning lamp or image sensor circuit failure Suggestions SUGGESTION 1 SCSI only Put the scanner through a self test Refer to section on Scanner Self Test SUGGESTION 2 SCSI and USB Error Code 204 is usually generated when there is a problem with the scanning lamp Ways to fix this error are 1 Clean the scanner glass by removing the screw in the bezel and sliding the glass to the
6. SCSI and USB May be a misalignment of the scanning slide bar If it comes into contact with a stationary object whilst scanning or is knocked the gears on the rack and pinion drive mechanism can become misaligned 1 Turn scanner off 2 Gently move the slide bar all the way to the right until it comes completely off its tracks 2007 2009 2 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 3 Now gently move the slide back onto the track all the way back to its normal start position The alignment will now be correct 4 Turn scanner on without cable and wait to see if it comes ready 30 40 seconds SUGGESTION 4 SCSI and USB Scan path or scan light may be dirty i e dirt in front of or on the scan light 1 Turn scanner off 2 Remove the 4 screws on the vertical scan bar on the right side of the scanner and remove the scan bar 3 Clean the scan light Which is the vertical light behind the scan bar that was removes Clean with a soft cloth and light cleaner The aim is to remove any dust from the scan path 4 Put the vertical scan bar back onto the scanner with the 4 screws 5 Turn scanner on and wait to see if it comes ready 30 40 seconds SUGGESTION 5 SCSI and USB Check to make sure they don t have a film in front of scan light Le They may have put a film in and it is a covering the scan light behind the vertical scan bar
7. DLL Return Status OTHER ERROR CODES Error Code 60 e try restarting computer and scanner e try flipping the SCSI terminator switch on the scanner 2007 2009 38 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual Return Code Description 302 Illegal scanning frame coordinate 303 Illegal window coordinate or number of windows 304 Illegal contrast setting 305 Illegal paper length setting 306 Illegal shadow midtone hilight setting 307 Illegal exposure time setting 308 Color filter command when ADF scanning 309 No paper when ADF scanning 310 Illegal gamma table setting 311 Illegal brightness setting 312 Illegal data bits per pixel setting 400 Scanner is in busy state 401 Scanner safety door sensor failure 501 Scanner has been reserved Error Code 1010 e Check terminator e Check cable Swap out cable with short SCSI cable Change SCSI ID Reset or Reboot everything Error 1 Message Description When you press Scan in the Scanner Interface of QPC XSCAN32 and the status bar reads Error 1 Reason May need to install a terminator or change the SCSI cable Also a bad lamp or dirty calibration strip or dirty mirrors can cause thiserror Usually in this case the scanner will attempt to start scanning but then it stops and the ready green light on the sc
8. SCSI only 1 Turn off your computer It is vitally important that the scanner be on and ready before turning on your computer 2 When the scanner is first turned on it will do perform some automatic start up checks 3 When finished the two lights one orange one green at the top right hand corner of the scanner will both be on and steady i e not flashing 4 Turn your computer on and open QPC XSCAN3B2 Additional Information Note Make sure your SCSI cable is in good condition before attaching to your scanner A damaged SCSI cable can cause component failure in your scanner Notice After an extended period of non use the scan tube will turn itself off but the scanner will remain in a Ready state When it receives a command to scan whilst in this state it will turn the scan tube on and do a brief check prior to scanning normally 2007 2009 33 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of iCRco Inc Film Scanner Service Manual 24 Scanner Self Test Notice Only for SCSI scanners only The Scanner Self Test can be done to solve a number of problems that the scanner might have Some of these are Scanner Not Found Bad Images Error Code 1 Error Code 204 and if the scanner does not come ready Try the steps below to run Scanner Self Test 1 Turn both the scanner and computer off 2 Disconnect the SCSI cable 3 Turn SCSI ID to 7 next to SCSI Plug you disconnec
9. if they are still under a scanner warranty 7 Refer to section on Warranty for further information They can either return the scanner for repair or we can send them a scan bulb refer to section on Scan Bulb Replacement SUGGESTION 2 SCSI and USB Was the scanner on and ready before the computer was turned on If it was not then 1 Turn computer and scanner off 2 Turn scanner on and wait till the ready light is on and steady i e not flashing 3 Turn the computer on and open the scanner interface See if the scanner has been found 2007 2009 40 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 4 Return Code Description 3000 SCSI card time out 3001 PCY card time out 3002 L card time out 3100 SCSI Load library failure One or missing DLL from the program 3101 PCY Load library failure 3102 LCARD Load library failure Return Code Description 4000 Scanner manager time out 4001 Load library failure If it cannot be found then refer to the section on Scanner Wont Come Ready SUGGESTION 3 SCSI Only Put the scanner through a self test Refer to section on Scanner Self Test SUGGESTION 4 SCSI and USB Could be software related a driver file has become corrupted To check 1 2 3 5 Click on the Scanner Setup button on the Cobrascan interface Click on
10. solve the problem but if you can show that it works for a bit after this procedure then we know that it is the switch We can send you another switch in case OTHERWISE The scanner may need to be sent in for repair Refer to the warranty information for further warranty information 2007 2009 4 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 2 Scanner Bar Moves Back and Forth On Its Own Description The scan bar continues to move back and forth i e as if it was scanning images continuously Reason Scanner is in self test mode Suggestions SUGGESTION 1 SCSI Only The scanner has a built in test mode which causes the scanner bar to move back and forth continuously on its own The test mode is started by changing the SCSI ID to 7 To correct this simply 1 Turn scanner off 2 Change the SCSI ID to 6 or some other number other than 7 Generally 6 is the default The SCSI ID is located beside the SCSI port at the bottom of the scanner where the cable plugs in Two small push buttons beside the number allow it to be changed up or down 3 Turn the scanner back on SUGGESTION 2 SCSI Only You may also need a SCSI in line terminator between the scanner SCSI socket and the SCSI cable 2007 2009 5 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manua
11. steady i e not flashing 3 Turn the computer on and open the scanner interface See if the scanner has been found 4 If it cannot be found then refer to the section on Scanner Won t Come Ready SUGGESTION 2 SCSI and USB Maybe a cable problem 1 Turn computer and scanner off 2 Make sure cable is securely fitted into the bottom of the scanner 3 Make sure cable is connected securely into the correct port on the back of your computer Some SCSI card plugs look identical to printer plugs so make sure your SCSI cable is not plugged in the printer port 4 Turn scanner on and wait till the ready light is on i e not flashing Then turn the computer on and open the scanner interface See if the scanner has been found 5 It may be a bent pin To fix this they would need to replace the cable SUGGESTION 3 SCSI and USB Maybe a card problem I e the SCSI or USB card may be loose in the computer 1 Get the customer to check the card in the back of the computer Wiggle it to see if it moves It should be firm in the computer i e there should be no movement 2 If the card wiggles when they touch it then they will need to open the back of the computer and tighten the screw that holds the card SUGGESTION 4 SCSI only There may be a problem with the length of the SCSI cable 1 Ask the customer what size the SCSI cable is 2 If the SCSI cable is longer than 3 feet 6 feet or 1 meter then there are two options 2007 200
12. the Probe button If the scanner is listed in the dialog which appears usually beside ID 6 then the problem is likely to be software due to a corrupted driver file To fix this re install the scanner drivers Refer to Installing Scanner Drivers Alter natively you could reinstall the QPC XSCAN32 software If the scanner is not listed in the Probe dialog the problem is likely to be hardware SUGGESTION 5 SCSI and USB The 1 2 3 4 5 scan bar may have been knocked from its correct Home position To reset this Turn the scanner off Pull the scan bar gently all the way out until you hear a clunk Gently push it all the way back again Turn scanner on and wait till it comes ready Turn computer on and do a scan to see if the message is still there 2007 2009 41 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual SUGGESTION 6 SCSI and USB Maybe a cable problem 1 Turn computer and scanner off 2 Make sure cable is securely fitted into the bottom of the scanner 3 Make sure cable is connected securely into the correct port on the back of your computer Some SCSI card plugs look identical to printer plugs so make sure your SCSI cable is not plugged in the printer port 4 Turn scanner on and wait till the ready light is on i e not flashing Then turn the computer on and open the scanner interface See if the scan
13. 9 9 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 3 It may require an in line terminator between the scanner plug and the cable plug For 2000 scanners you need to put the terminator on and flip the in line terminator switch 4 Try replacing it with a shorter cable i e 3 feet 5 Occasionally short cables 3 feet may need an in line terminator also but this is rare SUGGESTION 5 SCSI only SCSI ID should not be on 7 8 or 9 The default is generally 6 If itis on 7 8 or 9 1 Turn scanner off 2 Change the SCSI ID to 6 or some other number other than 7 8 or 9 The SCSI ID is located beside the SCSI port at the bottom of the scanner where the cable plugs in Two small push buttons beside the number allow it to be changed up or down 3 Turn scanner on and wait to see if it comes ready 30 40 seconds SUGGESTION 6 SCSI and USB Check to see if the correct drivers have been installed 1 Go to start menu Settings Control Panel double click on System icon 2 Go to Hardware tab and click on Device Manager 3 Look for the scanner under Imaging Devices 4 If it does not appear hear it will come under Other Devices which means that the correct drivers have not been installed for the scanner Refer to section on Installing Scanner Drivers SUGGESTION 7 USB only Check to see if the Adaptec SCSI Exchange Drivers have been installe
14. Come Ready Scan Light Flashes Description when they turn the scanner on the ready light continues to blink on and off Reason scanner has not finished its calibration process Suggestions Suggestion 1 SCSI and USB Scan bulb may be blown and needs to be replaced Get the customer to 1 Turn the scanner on 2 Turn the light box off so they are not confused between the light box and the scan light 3 Look behind the scan bar vertical bar on the right side of the scanner that the X Ray passes behind to be scanned It covers the scan light 4 Look to see if the scan light is on Scan lights can be green or white depending on the scanner model 5 If the scan light is not on then the scan bulb will need to be replaced 6 We will need to see if they are still under a scanner warranty 7 Refer to warranty information for further information They can either return the scanner for repair or we can send them a scan bulb refer to section on Scan Bulb Replacement SUGGESTION 2 SCSI Only SCSI ID should not be on 7 8 or 9 The default is generally 6 If itis on 7 8 or 9 1 Turn scanner off 2 Change the SCSI ID to 6 or some other number other than 7 8 or 9 The SCSI ID is located beside the SCSI port at the bottom of the scanner where the cable plugs in Two small push buttons beside the number allow it to be changed up or down 3 Turn scanner on and wait to see if it comes ready 30 40 seconds SUGGESTION 3
15. ESTION 2 SCSI and USB We had a case where the CCD cable had been discon nected from shipping Need to return the scanner Error 1010 Message or 10 and the rest is cut off Description When you press Scan in the Scanner Interface of QPC XSCAN32 and the status bar reads Error 1010 Suggestions SUGGESTION 1 SCSI Sometimes the scanner returns 1010 or 10 and the reset could becut off Happens with 2000T SCSI scanner Error 1010 means not an available API function Basically you should never get this error message unless something is happening to the data flow or the command going through SCSI and getting lost So only part of the command is getting to the scanner and therefore you get this error 2007 2009 44 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual So I think there is a cable or terminator problem with this scanner Do the normal checks witha short SCSI cable no daisy chaining remove the terminator and use the terminator switch on the scanner instead and reset everything Another thing you can try is change the SCSI ID to a different number and reset every thing to try again SUGGESTION 2 SCSI 2000SL SCSI Scanner does not work when upgrading software The latest SDLL dll did not work with 2000SL SCSI Scanners They can either use an old SDLL dll with any version of the software or use QPC XSCAN32 Build 832 or higher Cann
16. LM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 6 Scanning Speed is Very Slow Description the scan bar is not moving very fast And the scan time is too long Reason Either a setting issue or a problem with the scan light Suggestions SUGGESTION 1 SCSI and USB Scan Resolution may be set to high 1 Open QPC XSCAN32 XSCAN32 Open a patient folder Open Scanner Interface 2 Check which resolution button they have selected appears at the top of the dialog 3 If it is 3K or higher then this is the reason for the slow scan speed Because it is capturing more dots per inch to get a better scan 4 Have them select 2K and see if the speed issue is resolved SUGGESTION 2 SCSI and USB May have the descreen option selected Descreen Algorithm usually causes start stop scanning 1 Open QPC XSCAN32 XSCAN32 Open a patient folder Open Scanner Interface 2 Check to see if the Apply Descreen Algorithm option is selected appears at the bottom of the dialog 3 If it is selected have them unselect it NOTE however that this could cause lines in scanning These lines are grid lines Refer to section on Lines in Images when Scanned SUGGESTION 3 SCSI and USB The scanning speed is dependent upon the amount of light the CCD receives from the scan bulb There are normally two reasons for the scan speed slowing dramatically 1 The scan bulb may be near the en
17. anner goes off You then get the error 1 from the software Change the lamp and or clean the mirrors and calibration strip Suggestions Suggestion 1 SCSI and USB Scan bulb may be blown and needs to be replaced Get the customer to 1 Turn the scanner on 2007 2009 39 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual Return Code Description 1 Scanner is in ready state 1000 No response from scanner 1001 Scanner is in scanning state 1002 Scanner busy 1003 Abort to get image data by application 1004 Can t find scanner 1005 Scanner type error 1006 Device type error 1007 Not enough memory 1008 Undefine error codes 1009 Can t find index error 1010 not an available API function Return Code Description 2000 SCSI host buffer not ready 2001 SCSI control status error 2002 SCSI unknown error codes 2 Turn the light box off so they are not confused between the light box and the scan light 3 Look behind the scan bar vertical bar on the right side of the scanner that the X Ray passes behind to be scanned It covers the scan light 4 Look to see if the scan light is on Scan lights can be green or white depending on the scanner model 5 If the scan light is not on then the scan bulb will need to be replaced 6 We will need to see
18. ans that it will not return to home after it has finished self test mode This was simply how the scanner worked Put it to something other than 7 8 or 9 2007 2009 6 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of iCRco Inc Film Scanner Service Manual 4 Scanning Too Far Not Enough Description scan bar is not scanning enough of the image or is scanning too far and not returning Reason Scan lengths are incorrect Suggestions SUGGESTION 1 SCSI and USB Change the maximum scan length in Scanner Setup 1 Open QPC XSCAN32 Xscan32 Open a patient folder Open Scanner Interface 2 Press the Scanner Setup button Click Ok on password 3 In the bottom right side of the Scanner Setup window there is a Scan Length button Click on this and change the Max Scan Length to 17 3 4 Try scanning to see if this fixes the issue Normally the scan Starting Point will be 0 and the Maximum Scan Length will be 17 3 for CX 312T and CX 612T scanners and 22 for CX 812M scanners Small adjustments can be made to these settings to solve any variations in scan lengths SUGGESTION 2 SCSI and USB Also check you have the correct scanner type selected 1 Open QPC XSCAN32 Xscan32 Open a patient folder Open Scanner Interface 2 In later versions of the scanner interface there is a combo box under the Scanner Setup button that lets you change the type of sca
19. ctory may be incorrect To check 1 Do a search on your hard drive for wnaspi32 dll Go to start menu Find Files or Folders 2 If there is only one version of this file on your system it resides in the Winnt System folder then this is not the problem 3 If there is more than one version then a Find the wnaspi32 dll file in the winnt system folder and rename it to wnaspi32 dll old b Copy the latest other version of the same wnaspi32 dll file to the winnt system folder 4 Restart your system Note You must also carefully check that the correct drivers have been installed for their SCSI card Always restart your system after testing any of these things ensuring the scanner is on and ready first SUGGESTION 10 Windows NT only Windows 2000 would accept the 2000s driver however when you restarted windows the driver files would disappear and the scanner would be seen as Scanner Not Found Device Manager would have an exclamation mark beside it You had to reinstall each time you started This was a windows issue 2007 2009 11 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of iCRco Inc Film Scanner Service Manual Run windows updates SUGGESTION 11 Make sure SCSI cable has not been plugged into the LPT1 port printer port SUGGESTION 12 Install the latest cobra software and make sure the scanner is the correct type under settings 2007 2009 12 of 45 Document F
20. d 1 Right mouse click on My Computer 2 Click on properties Click on Hardware tab Click on Device Manager button 3 Look under USB devices for Adaptec SCSI Exchange 4 If itis not there then you will need to install the driver for this before the scanner can be seen SUGGESTION 8 Windows 2000 only If you are using Windows 2000 and the computer sees the scanner but QPC XSCAN32 XSCAN32 does not follow the directions below to fix the problem Upgrade to the latest cobra files The latest files are always on the ICRCO web site Otherwise if using older software 2007 2009 10 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 1 Shutdown QPC XSCAN32 XSCAN32 2 Click on My Computer Click on C drive Click on QPC XSCAN32 XSCAN32 folder 3 Open a file called MSCANDC ini Note If you can not see the file then Click on View Folder Options View Tab Show All Files then click on OK Now find the file Change the interface to read STI instead of ASPI Close the file and save the changes Restart the computer When the computer has rebooted Open QPC XSCAN32 XSCANS32 and try to scan o N A Aa Also try changing the cable SUGGESTION 9 Windows NT only Windows NT makes use of a file called wnaspi32 dll to define the ASPI layer used for operation of the scanner It is possible that the version of this file in your system dire
21. d of its life All fluorescent bulbs deteriorate over time and the amount of light given out falls off rapidly prior to the bulb failing completely See section on Scan Bulb Replacement 2 The scanner checks the brightness of the light before each scan and calibrates itself accordingly Ensure there is nothing behind the scan bulb cover which may restrict the amount of light getting through to the mirror behind during the calibration process For example if a film is placed on the scanner so that part of it is behind the scan bulb cover the resulting scan will be very slow or may not even scan at all You can also try cleaning the light path There are two main components to be cleaned See section on Cleaning Scan Window SUGGESTION 4 SCSI and USB You can also check the mirror is vertical and screwed down so it cannot move SUGGESTION 5 Exposure level is set to high Go into cobra interface and settings 2007 2009 13 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of iCRco Inc Film Scanner Service Manual 7 Scanner Won t Start Description the scan bar does not move when the user presses the scan button on the scanner interface in QPC XSCAN32 XSCAN32 Reason There is a problem with the scan light Suggestions SUGGESTION 1 SCSI and USB The scanning speed is dependent upon the amount of light the CCD receives from the scan bulb There are normally two reasons for the scan speed slowi
22. d the scan time is too long Reason Most likely causes by the descreen algorithm that is applied in old versions of the software or the RAM on your computer Suggestions SUGGESTION 1 SCSI and USB May have the descreen option selected Descreen Algorithm usually causes start stop scanning 1 Open QPC XSCAN32 XSCAN32 Open a patient folder Open Scanner Interface 2 Check to see if the Apply Descreen Algorithm option is selected appears at the bottom of the dialog 3 If it is selected have them unselect it NOTE however that this could cause lines in scanning These lines are grid lines Refer to section on Lines in Images when Scanned SUGGESTION 2 SCSI and USB Scan speed can also be affected by the amount of RAM in your computer and the speed of your CPU If either of these specifications is deficient you may find that the scanner stops and starts several times during the scan process To remedy this try increasing the amount of RAM in your computer If you still encounter the same problems you probably need to update your entire computer SUGGESTION 3 Upgrade to the latest version of QPC XSCAN32 XSCAN32 We have a new descreen algorithm that is applied after the scan is completed Therefore is does not affect the scan time 2007 2009 15 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 9 Scanner makes a grinding noise while scann
23. e needs to be cleaned 2007 2009 35 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 26 Scan Bulb Replacement The scan bulb is located behind the vertical bar at the right side of the scanner This bar is actually a cover for the scan bulb To remove it 1 Use a Philips type screwdriver to remove the four retaining screws 2 The cover can then be pulled straight off the scanner to reveal the scan bulb 3 The scan bulb can be pulled straight out also and another put in its place Note There may be some aluminum tape at the top and bottom of the scan tube This is usually applied before shipping to ensure the bulb doesn t come loose You will need to remove this tape to take out the old bulb but there is no need to replace it on the new one 4 You should also make sure you dont confuse the built in light box bulbs with the scan bulb If the light box comes on it doesn t mean that the scan bulb is also on they are two entirely separate things Additional Information e The 312SL uses a standard NEC FL13D 13watt daylight fluorescent bulb available from most suppliers e The 612SL and 812M both use specially made fluorescent bulbs available only from ICRCO or your scanner distributor It is important therefore to always have a couple of spares e For the 612SL the same NEC FL13D 13watt daylight fluorescent bulb used in the 312SL can als
24. has been installed and recognized for the scanner but it is not the correct driver Or if windows will not let you install another driver it always defaults to the incorrect driver you need to follow the following instructions Note sometimes when trying to install a driver and it will not let you change from the current driver the message will display the name of the oem inf file that you will need to remove below Need to remove windows inf files 1 Need to go to the winnt inf or windows inf directory Note This may be hidden as a default by windows The user will need to go to Windows Explorer Tools Folder Options and select the options to show all hidden files and folders Open each of the oem inf files where stands for a number such as 1 2 3 4 etc Open in notepad or word pad Scroll to the bottom and see if the file says anything about an iCRco scanner i e 612SL USB Remove the inf file if and only if it relates to a iCRcoscanner DO NOT REMOVE ANY OTHER VENDORS PRODUCTS 2007 2009 29 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of iCRco Inc Film Scanner Service Manual 5 Once all have been removed go to Found New Hardware and point to the location of the scanner drivers SUGGESTION 3 Try going to Search for files and folders and then type inf in the name of the file microtek in the containing text field windows system32 directory in t
25. he folder to search then open anything that it finds it will have the name of the microtek scanner i e microtek9800 in the text somewhere then remove it When uninstalling the scanner from the device manager and to install the correct drivers be disconnected from the Internet since XP try s to connect to look for drivers SUGGESTION 4 For Windows XP and 612SL only 1 Search for the file Miisw3 inf should be in C 2 Replace with the file provided by iCRco 3 Go back to device manager and do an update driver and point to this file i e Miisw3 inf SUGGESTION 5 Step 1 1 Go to Start 2 Search 3 All files and folders 4 Type in miisw3 inf for 612SL and miisw8 inf for 2000sl under All or part of the file name 5 Browse to location C WINDOWS System32 ReinstallBackups 6 Click on search 7 Right mouse click on the file s found and click on open folder containing 8 Replace with the attached file Step 2 1 Go to Start 2 Search 3 All files and folders 2007 2009 30 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 4 Type in oem infunder All or part of the file name 5 Type in microtek under A word or phrase in the file 6 Browse to location C WINDOWS inf NOTE this may be hidden as a default by windows The user will need to go to Windows Explorer Tools Folder Options and select the options to show all hidden f
26. ht grease on the track 5 Push the slide gently back onto the track NOTE Once the slide has engaged with the gears you can simply turn the scanner on and scan to get it to return to home SUGGESTION 2 SCSI and USB The gears on the motor may be worn 1 Open up the back of the scanner 2 Look at the gears on the motor i e the teeth of the gears 3 If they are worn they will need to be replaced 2007 2009 19 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 13 Image when scanned is elongated stretched Description When you scan images they are stretched when they come into xscan Suggestions SUGGESTION 1 SCSI only Try a self test Refer to section on Scanner Self Test SUGGESTION 2 SCSI and USB Make sure the correct drivers and firmware are in stalled 2007 2009 20 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 14 Noisy Loud Scanning Description scanner is noisy loud while scanning Reason Uncontrolled vibration Suggestions SUGGESTION 1 SCSI and USB There is a particular scanning speed at which a res onance occurs between the motor and the scanner case When this happens the noise made during the scanning process can be considerably louder than normal but is of no significance Particular combinations of exposure and resolu
27. iewing box and slide the Plexiglas to the right This will expose the clear window which should be cleaned on both sides with a lint free non scratching cloth e g spectacle cloth 2 Secondly earlier model scanners which have had a slot filter installed in front of the focusing lens may notice that lines occur when using higher exposure settings This can often be improved dramatically by either e Removing the slot filter e Widening the slot 3 The third types of lines are due to grid lines or other line type artifacts from the original film Fine grid lines are accentuated by what is called Moire patterning and is a phenomenon common to all scanners Always ensure the bucky is switched in to avoid this problem You will notice that zooming in and out of the image makes the Moire pattern appear more or less noticeable Zooming will often reduce the Moire pattern interference to an acceptable level when viewing an image Go to cobra interface and turn the descreen algorithm on 2007 2009 25 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 18 Bad Image Quality Bad Image Quality can be the result of some of the following e One might be because of a glitch the computer will send out if the computer is infected with a virus or was shutdown wrong The way to fix this is to do a Scanner Self Test e The best thing to do is to do the scanner se
28. iles and folders 7 Open each of the oem inf files where stands for a number such as 1 2 3 4 etc Open in notepad or word pad 8 Scrollthrough the file and see ifit has anything about a Microtek scanner or ArtixS can 9 Remove the inf file if and only if it relates to a Microtek scanner DO NOT REMOVE ANY OTHER VENDORS PRODUCTS Step 3 Disconnect the PC from the Internet If in via pcanywhere on tcp 1 Open Windows Explorer 2 Click on Tools in menu 3 Internet Options 4 Connections tab 5 Select Always dial my default connection or Dial whenever a network connect is not present 6 Dont forget to set this back to Never dial a connection when you are finished Step 4 1 Open device manager 2 Open Imaging Devices 3 Right mouse click on Microtek scanner 4 Update driver or Properties and Drivers then Update Driver 5 Select Install from a list or specific location Advanced 6 Select Dont search I will choose the driver to install 7 Select Have Disk button and browse to the location C WINDOWS System32 ReinstallBackups 000 DriverFiles where ever you copied the new file miisw inf into in step 1 8 Click Ok and then Next 2007 2009 31 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 22 Cannot install Cobrascan drivers Description New Hardware Wizard returns An error occurred during installation The na
29. ing Description The scanner makes a grinding noise when scanning Reason Scan bar needs to be reset Suggestions SUGGESTION 1 SCSI and USB We may need to reset the home position 1 Turn the scanner off and gently push the scan bar back to its start position 2 With the scanner turned off gently pull the scan bar all the way to the right until you cannot go any further 3 Then gently push it back to its normal position This resets the home position of the scan bar and therefore the maximum travel 4 Restart the scanner and test to see if the problem has now been corrected SUGGESTION 2 SCSI and USB Check if it is the end of travel switch 1 Turn scanner off 2 Pull bar out half way 3 Take end latch out 4 Turn scanner on 5 If it doesn t grind it is the end of travel switch They will need to send the scanner in SUGGESTION 3 SCSI and USB We had a case wear the middle gear was very dirty and jammed They sent it back for repair We also changed the gear bracket SUGGESTION 4 Put grease on gear SUGGESTION 5 Exposure setting is to low Open Cobra interface and go to settings 2007 2009 16 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 10 Scanner makes a grinding noise before scanning starts Description The scanner makes a grinding noise before it starts scanning It may or may not scan after that Reason N
30. l 3 Scan Bar Doesn t Return After Scan Description scanner bar moves all the way to the end and then seems to jump its track so it won t return to its start position Reason Maximum scan length is incorrect or the home position needs to be reset Suggestions SUGGESTION 1 SCSI and USB Settings in scanner setup are set to high 1 Open QPC XSCAN32 Xscan32 Open a patient folder Open Scanner Interface 2 Press the Scanner Setup button Click Ok on password 3 Reduce the maximum scan length It should be set to 17 3 Note 23 is two high and will cause the scanner to go off the track 4 Try scanning to see if this fixes the issue SUGGESTION 2 SCSI and USB We may need to reset the home position 1 Turn the scanner off and gently push the scan bar back to its start position 2 With the scanner turned off gently pull the scan bar all the way to the right until you cannot go any further 3 Then gently push it back to its normal position This resets the home position of the scan bar and therefore the maximum travel 4 Restart the scanner and test to see if the problem has now been corrected SUGGESTION 3 SCSI and USB Bad cable or too long 1 For SCSI get a 3 foot cable or a 6 foot with an in line terminator 2 For USB try a different cable SUGGESTION 4 SCSI and USB Re lubricate the slide light grease The silver track SUGGESTION 5 SCSI 312T SCSI may be on SCSI ID 7 8 or 9 which me
31. left and wiping both sides of the glass Refer to section on Cleaning Scan Window 2007 2009 43 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 2 Also by cleaning the Scanning Lamp light bulb by removing the 4 screws in the cover and wiping the light SUGGESTION 3 Make sure the software is up to date Get the latest cobra installer Also check that you dont need special files for that particular scanner SUGGESTION 4 Make sure they have not put the SCSI cable in the LPT1 port printer port SUGGESTION 5 Make sure they have the correct SCSI card and cable We had an incidence when a customer purchased their own SCSI card and cable incorrect kind and they received this error SUGGESTION 6 Try unselecting autocrop and ADF Put onto 1K and try scanning Error 601 Message Description When you press Scan in the Scanner Interface of QPC XSCAN32 and the status bar reads Error 601 Suggestions SUGGESTION 1 SCSI and USB Error 601 means command syntax error This is usually caused by cabling or terminator or something like that Is this the SCSI version with this error If so turn the terminator switch on the scanner on and do not use an external terminator Instead just use a short cable The other reason causing it may be due to forcing the scanner to calibrate and turn the lamp on and off on every scan May be it does not like that SUGG
32. lf test first then try cable connections e If checking cables or doing a self test on the scanner does not work then chances are the scanner itself has an issue and needs to come in for repair e Scanned images come out black Light E 0 G 0 7 C 0 Normal E 60 G 1 0 C 0 Med Dark E 250 G 1 0 C 0 Dark E 500 G 1 0 C 0 e Compression lossy algorithm it loses image quality e Uncheck SCAN SAVE as raw 14 bit image and change back to default Film settings 2007 2009 26 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 19 Auto Document Feeder Only scans one image at a time Description Only scans one image at a time Reason Setting in scanner interface needs to be set Suggestions Suggestion 1 1 Open QPC XSCAN32 XSCAN32 2 Open a patient and click on scan 3 Click on Scanner Setup button 4 Select the ADF Present Suggestion 2 1 Open QPC XSCAN32 XSCAN32 2 Open a patient and click on scan 3 Change the Number of Films to a number other than 1 i e this is the number of times that the scanner will scan an image 2007 2009 27 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 20 Auto Document Feeder does not grab film Description Does not grab film I e scans blank images as it did not feed a film Reason Setting in scanner interface needs to be set
33. lso be component failure due to using a damaged SCSI cable We have had one case reported where a SCSI cable had been badly damaged and the cables were shorting out When plugged into the scanner it caused component damage to the scanner If this is the case the scanner will need to be returned to the manufacturer for repairs SUGGESTION 7 SCSI and USB The issue could also be the density on the film itself not the scanner They can Xray with different settings I e Darker or lighter We had a case where the images were too dark The doctor said it is a technologist problem they are not centering the beam of the Xray and it s causing the coneing to be bad It s scattering light around and causing it to lose details around the edges IMAGES TOO DARK Light Normal Medium Dark Dark Exposure 0 30 80 200 Gamma 1 1 0 1 2 1 3 Contrast 0 0 0 0 2007 2009 23 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 16 Speckling Description Small dots seen within the very dark areas of an image Reason Common to all scanners Caused by low resolution CCD CHECK THIS Suggestions Speckling sometimes seen within very dark areas of an image is a phenomenon common to all scanners It is more noticeable in CCD scanners than in laser because Lasers blur the image slightly thereby masking the effect have a close l
34. me is already in use as either a service name or service display name Reason Something else has been installed i e desktop scanner or printer and is causing the cobrascan drivers to fail when installing Suggestions SUGGESTION 1 1 Make sure the drivers for the USB bus are installed Go into Device Manager and see if there is an exclamation mark beside anything 2 Make sure the latest drivers for the USB bus are installed Check the manufacturers web site for updates SUGGESTION 2 1 Completely uninstall other devices such as printers and scanners i e desktop scanners other than iCRco cobrascanners 2 Try installing the cobrascan drivers again SUGGESTION 3 1 Format and reinstall the OS 2 Install the Cobrascan drivers before any other drivers 3 Then try installing other devices i e printers desktop scanners It is likely that this device will not install and will return the same error as the cobrascan driver did Suggestion 1 worked in the past when this happened and they were able to install both devices with no issues 2007 2009 32 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 23 Correct Start Up Sequence Description Correct procedure to turn the scanner and computer on Reason The computer may not recognize the scanner unless it has been turned on and ready before the computer Suggestions SUGGESTION 1
35. ner has been found 5 It may also be a bad cable i e a bent pin To fix this they would need to replace the cable 6 Also make sure the SCSI card in the computer is not loose SUGGESTION 7 SCSI Only You may also need a SCSI in line terminator between the scanner SCSI socket and the SCSI cable Or to replace the SCSI cable SUGGESTION 8 SCSI and USB Could be caused by the light output of the scan bulb being insufficient to allow the scanner to initialize so replacing the scan bulb may correct the error Refer to section on Scan Bulb Replacement SUGGESTION 9 SCSI only There was a case reported where changing the SCSI ID to 4 made it work 1 Turn scanner and computer off 2 Change ID to 4 3 Turn scanner on and wait till it comes ready 4 Turn computer on and see if you can scan SUGGESTION 10 SCSI and USB If none of these procedures fix the problem the scanner may need servicing SUGGESTION 11 SCSI and USB We had a case where the CCD cable had been dis connected from shipping Need to return the scanner Error 2 Message 2007 2009 42 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual Description When you press Scan in the Scanner Interface of QPC XSCAN32 and the status bar reads Error 2 Reason Scanner command error message Error Code 2 means that there is something wrong with either the scanner or the software
36. ng dramatically 1 The scan bulb may be near the end of its life All fluorescent bulbs deteriorate over time and the amount of light given out falls off rapidly prior to the bulb failing completely See section on Scan Bulb Replacement 2 The scanner checks the brightness of the light before each scan and calibrates itself accordingly Ensure there is nothing behind the scan bulb cover which may restrict the amount of light getting through to the mirror behind during the calibration process For example if a film is placed on the scanner so that part of it is behind the scan bulb cover the resulting scan will be very slow or may not even scan at all You can also try cleaning the light path There are two main components to be cleaned See section on Cleaning Scan Window SUGGESTION 2 SCSI and USB You can also check the mirror is vertical and screwed down so it cannot move SUGGESTION 3 Make sure the lights come on If they don t refer to section on Scanner Won t Come Ready SUGGESTION 4 Dirty end of travel switch SUGGESTION 5 Firmware has gone bad SUGGESTION 6 SCSI Only SCSI id may be on 8 or 9 Change to something other than 7 8 or9 2007 2009 14 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 8 Start Stop Scanning Description the scan bar moves a little bit when scanning and then stops then it moves a little further and stops An
37. nner 3 Make sure the correct scanner type has been selected in this list 4 Also ensure the correct scanner drivers have been installed You can do this via Device Manager SUGGESTION 3 SCSI and USB Could be dust on the glass and the scanner assumes it is the edge of the film and stops Refer to section Cleaning Scan Window SUGGESTION 4 SCSI and USB It could be a problem with Autocrop 1 Open QPC XSCAN32 Open a patient folder Open Scanner Interface 2 Unselect the Autocrop option see if it scans the entire film SUGGESTION 5 Make sure there are no read only issues 1 Open Windows Explorer go to C Xscan32 directory or wherever QPC XSCAN32 XSCAN32 is installed 2007 2009 7 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 2 Press Ctrl A This highlights everything in the list You can also go to the File menu and choose Select All 3 Right mouse click on the list and go to properties You can also go to the File menu and choose Properties 4 Make sure the Read Only option is unselected If it is not unselect it 5 Press Apply If it asks to apply this option to everything in this folder and subfolders say yes SUGGESTION 6 Check to make sure the Xray has been placed in the correct position on the scanner 1 The rulers on some cobrascan stickers where back to front Check to make sure the Xray is lined up with the 17 mark
38. nsistor Leave the scanner on for 10 15 minutes Turn the computer off Turn the scanner off then back on N A A A Q Wait till the scanner comes ready and turn the computer on 8 Open QPC XSCAN32 XSCAN32 and do a scan If this corrects the problem chances are you may need to repeat this procedure each morning when you first turn the scanner on 9 They may need to send the scanner in for repair SUGGESTION 3 SCSI and USB Also check the settings in QPC XSCAN32 XSCAN32 1 Open QPC XSCAN32 XSCANS32 go to Options Preferences 2 On the Viewing tab check to make sure the Gamma is set to 1 00 as default 3 Hot Lite should be set to 2 00 4 Please change them in they are not and do a scan to test SUGGESTION 4 SCSI and USB Check the exposure settings in Scanner Setup window 2007 2009 22 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 1 Open QPC XSCAN32 XSCAN32 and the Scanner Interface Le go into a patient click on scan button 2 Click on Scanner Setup button 3 Dark should be set to 250 For a 2000T Light Normal Medium Dark Dark Exposure 0 60 or 30 250 500 Gamma 0 7 1 0 1 0 1 0 Contrast 0 0 0 0 SUGGESTION 5 SCSI and USB You can try replacing the scan bulb Refer to section on Scan Bulb Replacement for further information SUGGESTION 6 SCSI and USB It could a
39. o be used but there will be a marked reduction in scanning speed 2007 2009 36 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of iCRco Inc Film Scanner Service Manual 27 SCSI Issues If you have SCSI problems the scanner and the computer will not communicate properly Usually if you have a SCSI problem when you click on the Scan button and you will get the message No Scanner Was Found You can also get intermittent problems occurring as the result of faulty SCSI cards cables or connections such as your computer freezing or crashing completely etc Check the following things 1 Was the scanner on and ready before the computer was started 2 Check the SCSI cable is securely fitted into the bottom of the scanner 3 Check the SCSI cable is connected into the correct port on the back of your computer Some SCSI card plugs look identical to printer plugs so make sure your SCSI cable is not plugged in the printer port 4 Check the SCSI ID beside the SCSI plug under the scanner is set to 6 When you have checked all of these things make sure the scanner is ready two steady lights and restart your system If you experience other problems including your computer freezing or crashing when scanning there are some other possibilities 1 One of the most common problems we see is the need to add a SCSI in line termi nator SCSI cables longer than 3 feet 1 meter and some SCSI ca
40. ommonly used on the Macintosh computers to filter the noise out Sometimes PC systems also require such device You can obtain a terminator from your local dealer Place the terminator between the cable and the scanner 1 Scanner link failure message May need to install a terminator or change the SCSI cable Also a bad lamp or dirty calibration strip or dirty mirrors can cause thiserror Usually in this case the scanner will attempt to start scanning but then it stops and the ready green light on the scanner goes off You then get the error 1 from the software Change the lamp and or clean the mirrors and calibration strip 2 Scanner command error message 3 Scanner hardware error message 4 Scanner setting error message 5 Scanner Miscellaneous error message 6 Scanner Undefined error message 100 Scanner SCSI command or data format error 101 Too many lines requested in a READ SCANNED DATA command 200 Scanner CPU RAM failure 201 Scanner system RAM failure 202 Pin pon buffer RAM failure 203 Scanner CCD DC offset failure 204 Scanning lamp or image sensor circuit failure 205 Home position sensor or filter sensor failure 206 Autodocument feeder paper jam or roller failure 207 External power adapter failure Used by very old models no longer used 300 Illegal grain setting 301 Illegal resolution setting Other Error Codes MPHASE DLL Return Status MSCSID DLL MPCYD DLL MLCARDD DLL Return Status MSCANMGR DLL MSMGR32
41. ook at the black background of an image produced on a laser scanner to see this effect Low resolution CCD scanners have huge amounts of noise so manufacturers artificially blacken the background al though this interferes severely with skin edges and bone detail close to skin edges or where there are dramatic changes in film density In Cobrascan scanners the speckling is usually noticed only in background areas and should not affect the diagnostic quality of the image It is also more noticeable on color monitors and if the monitor or window settings are set for a lighter background The best way to reduce speckling is to ensure that optimal radiographic technique is employed at all times Over exposed films in particular are more susceptible to background speckling Earlier model scanners which have had a slot filter installed in front of the focusing lens may notice the speckling effect is exaggerated This can often be improved dramatically by either e Removing the slot filter e Widening the slot 2007 2009 24 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 17 Lines on Scanned Images There are three types of lines typically seen on scanned images 1 The first of these are normally caused by dust or dirt getting onto the clear window behind the scan tube cover To access it remove the screw in the Plexiglas at the front left hand side of the v
42. ot Initialize Scanner Error 10 Description When you press Scan in the Scanner Interface of QPC XSCAN32 the status bar reads Cannot Initialize Scanner 10 Suggestions SUGGESTION 1 SCSI One customer did a system restore and it started working again SUGGESTION 2 SCSI Another customer returned the unit to us and Javier said Stopped working because we use an old power supply with the plastic screw damage So when we adjust the voltage the screw doesn t stay at the correct voltage we need Change scanning lamp for a reflective and install a new 12V power supply to adjust the voltage at 13 77V 2007 2009 45 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc
43. ot enough light Suggestions SUGGESTION 1 SCSI and USB See if light white for 312 does not come on on vertical scan bar I e when turn it on and the lamp does not come on this is the problem lamp is under vertical scan bar 2007 2009 17 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 11 Scanner makes a grinding noise after scanning fin ishes Description The scanner makes a grinding noise after it finishes scanning Reason Could be settings Suggestions SUGGESTION 1 SCSI and USB The grinding noise could be caused from the scan length being to long To check this get the customer to do a scan If the scan bar goes all the way to the end i e moves the film to the end as if it has scanned it and then grinds then it is reaching the end of travel before it has finished scanning Reduce the scan length by 5 at a time When the scanner scans the entire film without grinding then you have the correct settings 2007 2009 18 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 12 Slide is sticking catching when scanning Description slide is catching making noise stopping Suggestions SUGGESTION 1 SCSI and USB 1 Turn off scanner 2 Pull slide gently all the way to the right until it goes off the gear 3 Clean the exposed track 4 Put some lig
44. rds often require an in line terminator between the scanner plug and the cable plug Occasionally short cables may need this also but this is rare If you have a longer SCSI cable try replacing it with a short one as a test to identify the problem The in line termina tor fits on the scanner end of the scanner cable and then into the scanner It is a Centronics male female type and can normally be purchased from your local cable supplier for a few dollars 2 Ensure the SCSI card in your computer is properly bedded into its socket on the motherboard PCI cards can often pop out 3 Try replacing the SCSI cable and or SCSI card Always restart your system after testing any of these things ensuring the scanner is on and ready first It is also recommended that other SCSI devices are not used on the same chain Usually other devices can be used without problems but if you are experiencing difficulties then the first step is to remove any other devices such as SCSI Zip Drives 2007 2009 37 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of tCRco Inc Film Scanner Service Manual 28 Cobrascan Error Codes Scanner Error Codes Scanner Return Status Return Code Description 0 Scanner has partial communication You may need to change your cable or install a terminator on the back of the scanner Terminator is a device c
45. ted Note Scanner will now do it s own scan and WILL keep doing it until you turn off the scanner You ONLY want the scanner do to ONE FULL scan all the way to the right and then back to the left Any more than one will result in you having to do the self test again Note 312T scanners do not return to home after the self test After you let the scanner do ONE scan Turn the scanner off Change the SCSI ID back to 6 Connect the SCSI cable Turn on scanner oN QO a When scanner ready light is solid turn on computer 2007 2009 34 of 45 Document FLM 02A Rev A Confidential and Proprietary April 9 2009 Property of iCRco Inc Film Scanner Service Manual 25 Cleaning Scan Window Cleaning Behind the scan tube cover is a clear window which needs occasional cleaning on both sides To access it 1 Remove the screw in the Plexiglas at the front left hand side of the viewing box and slide the Plexiglas to the right 2 This will expose the clear window which should be cleaned on both sides with a lint free non scratching cloth e g spectacle cloth The mirror reflects the light from the scan bulb and directs it to the CCD To clean it 1 You need to first tip the scanner upside down and remove all the screws around the outside 2 Then remove the back cover to expose the mirror 3 Again this should be cleaned using only a lint free non scratching cloth 4 Only the surface on the Scan tube window sid
46. tion settings can cause this to happen A resonance condition is an uncontrolled vibration Use the default scanner settings Document FLM 02A Rev A Light Normal Medium Dark Dark Exposure 0 30 90 250 Gamma 1 1 2 1 4 1 5 Contrast 0 0 0 0 2007 2009 21 of 45 Confidential and Proprietary Property of tCRco Inc April 9 2009 Film Scanner Service Manual 15 Images Lack Grayscale high contrast Description The images are very black or white they lack grayscale Reason There is a problem with the scan light Suggestions SUGGESTION 1 SCSI only If the scanner comes ready but the images produced are very high in contrast and lacking in grayscale resolution this indicates the scanner has not correctly calibrated itself at initialization During start up the scanner calibrates itself by turning the scan bulb off and then back on Try putting the scanner through a self test Refer to section on Scanner Self Test SUGGESTION 2 SCSI and USB Could be a sticking transistor occasionally happens as scanners get older This problem normally corrects itself as the scanner warms up 1 Turn scanner off and then back on 2 Watch the scan bulb light behind the vertical bar at the front of the scanner as the scanner calibrates see if it turns off then on during the initialization process If the scan light did not turn off the problem is likely to be a sticking tra

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