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Digiray FireCR Basic Manual

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Basic Guide of FireCR Scanner
DIGIRAY CORP.

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Summary of Contents for Digiray FireCR

  • Page 1 Basic Guide of FireCR Scanner DIGIRAY CORP.
  • Page 2  Training Contents • Install FireCR+. • Explain the function of each part. • Disassembly and assembly of FireCR+. • Explain how to calibrate • Explain Quantor software. • Common Issues.
  • Page 3 2. Check all components that are in the box. 3. Take out FireCR+ scanner. 4. The FireCR+ scanner must be placed on the flat desk with at least 50 cm free space on the front side. Free space of 20 cm back side.
  • Page 4 4. Connect power and USB cable on the back of FireCR+ scanner. • Connection Note: You must connect USB cable to USB port 2.0 of PC. 5. Connect a dongle to PC. (Q dongle is needed.) 6. Download and install Quantor software. Please refer to the below website...
  • Page 5 • for Quantor software download • for User manual download...
  • Page 6 7. Quantor software installation • Log on a PC with an administrator account. • Connect the USB dongle to a USB port - You should connect USB cable to USB 2.0 port. • Launch software file, “QuantorMed 2.x.x Setup.exe” • Click the “Next” button as shown in Figure 2.1 •...
  • Page 7 • Choose your language and click “Next” button as shown in Figure 2.3 • Choose FireCR model and click the “Next” button as shown in Figure 2.4...
  • Page 8 • Choose the destination folder and click the “Install” button as shown in Figure 2.6 • Installation status will be displayed.
  • Page 9 • Installation status of the FireCR USB driver will be displayed as shown in Figure 2.7. • Installation is successful, Figure 2.8 will show up. • Click “Finish to finish the installation.
  • Page 10 • the Windows Security Dialog Box pops up after installation, click [Allow access].
  • Page 11 7. PC requirement • Recommended PC requirement • Minimum PC requirement...
  • Page 12 4) The image on the imaging plate is erased when exposing excessive light. • Emit the blue light by laser beam scanning. • The image reader ( = FireCR flash ) converts the latent image on the imaging plate into digital signal. White light...
  • Page 13 Basic configuration of CR (=Computed Radiography) system [Cassette Housing] [Imaging Plate]...
  • Page 14  Basic configuration of CR (=Computed Radiography) system 1. X-ray image is stored on IP. 2. It is scanned with a 650 nanometer (nm) laser beam to produce PSL radiation corresponding to the absorbed x-ray energy. 3. The luminescence radiation stimulated by laser scanning is collected through a light guide into photomuliplier tube(PMT) which converts it into electric signals.
  • Page 15  FireCR+ Overview • Fast scan axis: 1. Beam Flow: Steering laser unit → Secondary mirror assembly → IP → Fiber bundle → PMT • Slow scan axis 1. Y-axis motor - HD mode: 100 [um] resolution - SD mode: 200 [um] resolution...
  • Page 16  FireCR+ Scanner Video on how to use. https://www.youtube.com/watch?v=xVkq_-sIabc...
  • Page 17  FireCR Scanner Specification ▪ FireCR Plus Scanner • High throughput – up to plates per hour. • Resolution, micron meter [um] • Ultra light, 30 kg • Accomodates two standard cassettes sizes, 17 x 14 [Inch], 10 x 12 [Inch] •...
  • Page 18  FireCR Plus Overview • Fast scan axis: 1. Beam Flow: Steering laser assembly → Secondary mirror assembly → IP → Fiber bundle → PMT → PSD • Slow scan axis 1. Y-axis motor - HD mode: 100 [um] resolution...
  • Page 19  FireCR+ Function Diagram -1250V Main Board High Voltage Analog Readout Power Supply Circuit Peripheral 3.3V +15V -15V Micro FPGA 3.3V Ethernet Controller +24V Inner Clock Controller -15V Eraser Inner Clock 83MHz 168MHz 100Mbps 3.3V +24V 2.5V 3.3V 1.2V Step Motor...
  • Page 20 Main Board & Core Board...
  • Page 21 Main Board & Core Board • Function 1. Control all peripherals of for acquisition of image data using FPGA and MCU. - MCU and FPGA always communicate each other. - Sensor reading status is transferred to the FPGA and to MCU. - MCU and FPGA give a command to some peripherals such as Y-axis motor and Eraser unit etc.
  • Page 22  Laser Steering Unit • Function 1.Laser module: - Transmit 650 [nm] ± ∂ wavelength Red light - Laser power is within 60 ± 2mW. - Laser spot size is less than 70um. 2. Square mirror: - it rotates 1800 rotation per 1 minute 1800[rpm]. It is allowed to scan whole moving plate. 3.
  • Page 23  BLDC board • Function 1. BLDC motor driver. 2. Control BLDC motor to maintain same stable speed. • BLDC Issue 1. Bad RPM...
  • Page 24  The Compatibility between BLDC Board and Optic Plate • BLDC V6.1.2 / Firmware V1.0.1.5 : This version is compatible to Optic version 1~6. • BLDC V6.1.2a / Firmware V1.0.1.9 : This version is compatible from Optic version 7~. • In case of Optic Plate version 7 ~ , the dip switch of BLDC board is 0001. •...
  • Page 25  Cassette Motor Lock Board [Cassette Lock Board] • Function 1. Control cassette lock & unlock • Cassette Motor Lock Board Issue 1. Cassette lock motor doesn’t work.
  • Page 26  RFID Board & Cassette Lock Board [Cassette Lock Board] [RFID Board] • Function [RFID Board] 1. Read the information of cassette. 2. Read the information of unit identity 3. Transmit the information to Core Board. • RFID Issue 1. It can’t recognize cassette itself or cassette size. 2.
  • Page 27  Alignment motor [Right alignment motor] [Left alignment motor] • Function 1. It makes the laser steering unit move up and down. 2. It continuously move up and down to find out best PSD position when you press “auto alignment” button. •...
  • Page 28  Y-axis Motor Emission Exitation Fast scan axis • Function 1. Y-axis motor works on it as the slow axis scan. 2. Separate SD mode with HD mode as the slow scan speed. 3. Laser steering unit works on it as the fast scan axis. •...
  • Page 29  PSD (Position Sensitive Detector) [PSD Left Sensor] [PSD Right Sensor] • PSD means Position Sensitive Detector • Amplify the signal. • It recognizes exact position using ADC converted voltage. • It can determine scan start position and scan end position...
  • Page 30  Eraser Unit • Function 1. Erase the image on the moving plate 2. Eraser works after scanning. • Eraser Issue 1. Still exist image residual even though erasing. 2. Don't forget to erase twice in case you use high dose x-ray.
  • Page 31  PMT (Photo Multiplier Tube) • Function 1. It is a sensor to detect how much light goes through the sensor. 2. It converts light into the electric signal.. 3. High sensitivity – It can detect the signal even though using less light. •...
  • Page 32 1. Moving Plate • IP 1. Imaging plate or Moving plate 2. FireCR+ has two types of cassettes and IPs: 14 x17 [Inch], 14 x12 [Inch] • IP Features 1. The moving plate stores X – ray image. 2. White light : Erase the image on the moving plate when exposing excessive light.
  • Page 33  Understanding FireCR Flash; Calibration Note: X-ray exposure must cover entire cassette.
  • Page 34  Understanding FireCR Flash; Calibration • Every scanner has a different “Fiber Bundle Condition”. Fiber bundle collectors have different light sensitivity. Image is optimized using calibration. It means that brightness of image is uniform. Fiber Bundle After Calibration Before Calibration...
  • Page 35  Understanding FireCR Flash; Calibration Before calibration After calibration 1. Auto Alignment 2. Erasing 3. We expose four images with different dose. - ScanBlank, SacnLowDose, ScanMidDose, ScanHighDose 4. Calibration...

  • Page 36: Calibration Procedure

     Calibration and Images Calibration Procedure  This screen will appear:  Step 1: Auto alignment Step 2: Erase Run an erase cycle to remove any residual radiation that may be left on the phosphor. Step 3: Scan Blank Without exposing the cassette, insert it into the reader and press the “Scan Blank”...
  • Page 37  Calibration and Images Understanding the Cal-files:  Calibration files can be found in the software folder. Windows Photo Viewer  can view the Cal-files. We recommend that you open the “High Dose” calibration of each cassette size to verify an artifact free calibration. 14 x 17 Cassette Calibration 10 x 12 Cassette Calibration File...

  • Page 38: Scanner Control

    5. Scanner Control and diagnostics Scanner Control  1. Software on/off 2. Run manual erasing 3. Run scan 4. Stop scan 5. Select the resolution of scan 6. Laser on/off 7. Eraser on/off 8. Stage control *(current should be “40 &...

  • Page 39: Diagnostics Window

    5. Scanner Control and diagnostics Diagnostics window  Gauge 1: Rotating mirror RPM (1840RPM +/- 10) Gauge 2: Right PSD peak Gauge 3: Right PSD balance Gauge 4: Left PSD peak Gauge 5: Left PSD balance Gauge 6: Internal frame temperature Gauge 7: Mainboard temperature Gauge 8: Eraser temperature Gauge 9: Laser module temperature...

  • Page 40: Top Cover

    2. Disassembly Top Cover  1. Turn the power off 2. Unplug the USB cable and power cord 3. Remove 4 front screws and 3 rear screws from the base plate(2.5mm hex)
  • Page 41 2. Disassembly Top Cover  1. Pull back cover...
  • Page 42 2. Disassembly Top Cover  1. Slowly lift cover from the back. Note: Before removing the cover, disconnect the LED connector underneath...

  • Page 43: Internal Cover

    2. Disassembly Internal Cover  1. Remove the 6 screws on the top of the internal cover(#2 Philips). Note: Some scanners have 10 scrows...

  • Page 44: Internal Frame

    2. Disassembly Internal Frame  2. Disconnect the cassette lock cables from the cassette lock board and feed them through the hole in the middle of the internal cover).
  • Page 45 2. Disassembly Internal Cover  3. Lift off internal Cover Note: There are two grooves on each side of the Internal Cover front. When refitting the Internal Cover, make sure that the cables on both sides go through the upper grooves. Refit it from front to back and make sure that the end of the Internal Cover goes over the entire internal frame and not into the space between the internal frame and the back cover.

  • Page 46: Optic Plate

    2. Disassembly Optic Plate  1. Remove Top Cover. 2. Remove Internal Cover. 3. Remove 2 screws from each of the three spring loaded brackets (2.5mm hex). 4. Unplug the 3 wire connectors (1 to BLDC, 2 to Main Board) 5.
  • Page 47 2. Disassembly BLDC Board  1. Remove Top Cover. 2. Remove Internal Cover. 3. Unplug 2 wire connectors from BLDC Board.
  • Page 48 2. Disassembly BLDC Board  4. Remove 4 screws (2.5mm hex). 5. Reinstall in reverse order.

  • Page 49: Main Board

    2. Disassembly Main Board  Unscrew the 6 screws that hold down the board and replace (2.5mm hex).
  • Page 50 2. Disassembly Main Board  Note. Make sure to connect the cables correctly when reassembling. The cables all have tags corresponding to descriptions on the connectors.

  • Page 51: Core Board

    2. Disassembly Core Board  1. Remove Top Cover 2. Remove Internal Cover 3. Remove the Loctite on the nuts. 4. Unscrew the 4 nuts on the core board.
  • Page 52 2. Disassembly Core Board  5. Disconnect the 2 ribbon cables and wire connector. 6. Replace the old core board with a new core board. 7. Reinstall the nuts to secure the core board. 8. Connect the 2 ribbon cables and wire connector. 9.

  • Page 53: Cassette Lock Motor Board

    2. Disassembly Cassette Lock Motor Board  1. Remove Top Cover. 2. Remove Internal Cover. 3. The Cassette Lock Motor Board is located front section of the Fire CR+.

  • Page 54: Aligner Motor

    2. Disassembly Aligner Motor  1. Remover back over...
  • Page 55 2. Disassembly Aligner Motor  2. Remove 2 screws from aligner motor 3. Cut cable ties holding wiring harness to cross bar.
  • Page 56 2. Disassembly Aligner Motor  4. Remove 3 BLDC bracket screws(2.5mm hex). Note: Wiring harness routes under BLDC bracket and along the side of scanner. 5. Remove 2 cable along the side of scanner...
  • Page 57 2. Disassembly Y-Axis Motor(Step motor )  1. Remove BLDC Bracket (2.5mm hex)Take note of wiring harness routing under BLDC bracket. 2. Remove 2 cable clamps along the side of the scanner. 3. Unplug wire connector from Main Board. 4. Loosen set screws on belt pulley on motor and axle. 5.
  • Page 58 2. Disassembly Y-Axis Motor(Step motor )  1. Remove BLDC Bracket (2.5mm hex)Take note of wiring harness routing under BLDC bracket. 2. Remove 2 cable clamps along the side of the scanner. 3. Unplug wire connector from Main Board. 4. Loosen set screws on belt pulley on motor and axle. 5.

  • Page 59: Fiber Bundle

    2. Disassembly Fiber Bundle  1. Remove the 6 screws for from the fiber bundle cover. 2. Lift off cover...
  • Page 60 2. Disassembly Fiber Bundle  3. Remove the two screws from the PMT housing. 4. Loosen PMT connectors.
  • Page 61 2. Disassembly Fiber Bundle  5. Remove the two screws at the edge of the eraser. 6. Pull back eraer.
  • Page 62 2. Disassembly Fiber Bundle  9. Remove the screw on each side of the fiber bundle. 10. Lift out fiber bundle. Note: Be careful not to scratch the fibers while pulling out the fiber bundle and note the location of the dowel pin on ea ch side.

  • Page 63: Calibration Geometry

     Calibration and Images Calibration Geometry  Note: Exposure must always cover the entire cassette...
  • Page 64 7.4 Make sure that voltage reads 24V (Scanner must turned on). 7.5 If not, disconnect the power cable on the main board 7.6 Make sure that voltage reads 24V 7.7 If not, replace power board or power switch. - Refer to the FireCR+ Service Manual p.33 for power board replacement...
  • Page 65 2. Fiber bundle cleaning 2.1 Turn off the power and disconnect the power cable and USB cable. 2.2 Remove the top cover and internal cover. 2.3 Remove 6 screws holding fiber bundle guide in position using 2.5mm hex key and remove the fiber guide.
  • Page 66 2.4 Remove the two screws holding the eraser assembly and slide the eraser towards the back of the reader. 2.5 Remove the screw on each side of the fiber bundle in place using a 2.5mm hex key. 2.6 Lift up the fiber bundle and clean the end using either an antistatic screen wipe, or a microfiber cloth and technical alcohol.
  • Page 67 4.7 Check the power board 4. Not recognize the cassette housing 4.1 Scan it with another cassette housing to check cassette working well. 4.2 Check the RFID board. - Refer to the FireCR+ Service Manual p.32 for RFID board replacement.
  • Page 68 5. Knocking sound 5.1 With cassette 5.1.1 Scan it with another cassette housing to check cassette working well 5.1.2 Remove the top cover and internal cover. 5.1.3 Scan it with pushing both locks on the side of the cassette housing. 5.1.4 Check it if the cassette lock motors hold the cassette housing firmly.
  • Page 69 5.2 Without cassette 5.2.1 Check the home sensor 1) Turn off the power. 2) Remove the top cover and internal cover. 3) Move the stage forward and backward manually. 4) Remove 6 bolts and remove the black fiber guide.
  • Page 70 5) Remove 2 bolts 6) slide the eraser assembly 7) Turn on the power 8) Manually sense the home sensor with a small wrench. 9) If the stage dose not stop, need to replace the home sensor. 10) Stage stop, need to align the stage. 11) If it doesn’t help, need to adjust belt tension...
  • Page 71 6. Auto align fail 6.1 Check laser is on. 6.2 Check both auto alignment motors work well. 6.3 When you auto aligns, beam must cover whole area of PSD. 6.4 Check PSD itself.
  • Page 72 7. The case of artifact • There are horizontal lines on the image. In case of these horizontal lines, replace the defective Y-axis motor.
  • Page 73 8. The case of artifact • There are vertical lines on the image. In case of these horizontal lines, clean the fiber bundle or replace the defective fiber bundle.

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