User`s Manual Cranex Excel D Cranex BaseX D
Contents
1. 19 2 2 uocatis iain TE e MEER 32 Positioning mirror and light lenses 32 Surfaces that the patient comes into contact with 32 Monitoring the operation of the unit eese esee 33 nanira ee ae 33 33 Troubleshooting MEE erst ene ETE 34 5 Technical specifications ronis xn pt bs UR REM IEx RN I OUEU Kad du 35 IC sx sou sso PERHIRAREETERISE EEE EEEE E EE EEEE 40 IV 8201003 User s Manual Cranex Panoramic X ray Series 1 Introduction 1 The Excel D and BaseX D x ray units Introduction This manual describes how operate the Cranex Excel D and Cranex BaseX D dental x ray units The Excel D is a panoramic dental unit that can take full and reduced width panoramic exposures sinus exposures partial panoramic exposures and TMJ exposures The BaseX D is a simplified version of the Excel It can take full and reduced width exposures and sinus exposures In addition height adjustment is manual and not motor driven as it is with the Excel All versions use a CCD sensor as the image receptor Please read these instructions carefully before using the x ray unit User s Manual 8201003 1 1 Introduction Cranex Panoramic X ray Series Using this manual All key illustrations indicate that the key must be pressed A white circle indicates that the indicator2. 16 s 15 Child 17 s 15 14 s 15 Sides 11 s 15 9 s 15 Middle 10 s 415 8 s 15 TMJ 3 3 3 3 s 15 2 8 2 8 s 15 Max 240 mAs Max 202 mAs BACK UP TIME 23 5 s 41 58 Leakage technique factors PANORAMIC 81 kV 2400 mAs h 81 kV 10 mA duty cycle 1 15 One normal exposure per 4 minutes cool down period Measurement bases The kV is measured by monitoring the current flowing through a 450 Mohm 1 feedback resistor connected between the tube anode and ground is measured by monitoring current in the HT return line which equals the tube current Both parameters are measured using a Soredex kV mA meter pt no 4800177 or with a digital multimeter DMM according to a specified procedure The exposure time is measured using a radiation probe positioned in the primary beam Operating Room Temperature 15 C 59 F to 32 C 90 F Storage Transportation 0 to 50 0 to 85 RH 500 to 1080 mbar Operating Relative Humidity Maximum 95 User s Manual 8201003 3 5 Technical Specifications Cranex Panoramic X ray Series Minimum computer requirements The values in brackets are recommended values Operating system Windows NT 4 0 2000 or XP Service Packs NT 4 SP 4 2000 SP 2 XP SP 1 CPU Pentium Ill RAM 256 MB HDD 20 GB Video RAM 16 MB Network 100 Base TX x2 10 100 Mbit s Base T x2 Display 17 CRT or 14 TFT LCD true colour 19 CRT or 17 TFT LCD true c
3. 2 Unit description Cranex Panoramic X ray Series Chin Supports Chin cup cover Bite block cover WARNING Always use the disposable covers with the chin supports 12 User s Manual 8201003 Cranex Panoramic X ray Series 3 Using the Units 3 Using the Units Switching the unit on and off The on off switch is located on the side of the unit Switching the unit on Press the on off switch to the on position I to switch the unit on The on off switch light and display light for the kV value will come on kV light Switching the unit off Press the on off switch the off 0 position All the lights will go out owitch the unit off at the end of every day or when it is not being used It is also recommended that the exposure switch see next page is locked when the unit is not being used Power OFF O User s Manual 8201003 19 3 Using the Units Cranex Panoramic X ray Series Exposure switch lock The exposure switch lock allows the exposure switch to be locked This prevents unauthorized people from taking exposures even if the unit is switched on The exposure switch lock is located on the side of the unit below the on off switch Exposure switch lock Unlocking the exposure switch Insert the key into the exposure switch lock and turn the key clockwise to the horizontal unlocked position Unlocked A E Locking the exposure switch z Turn the key anticlockwise to the
4. 2 i ol m E 2 e 56 Tt 150 6 Sig N 850 1700 33 67 User s Manual 8201003 41
5. Pr 8 AS OAD airs 9 The Control panel Excel 10 The Control panel BaseX D 11 SPOONS 12 2 USING 13 Switching the unit on Ups ei 13 Switching the unit on 13 13 Exposure SWIEEIn OCK aa 14 Unlocking the exposure switch 14 Locking the exposure switch edm dub RES 14 Operating the unit without x rays 15 Taking Panoramic exposures 16 Panoramic exposure 16 Preparing the unit mm 17 Positioning the patient for a panoramic exposure 20 Positioning the patient for a Sinus exposure 27 Positioning the patient for a TMJ exposure Excel D only 28 Taking an exposure MNPRNRRR 29 After 31 User s Manual 8201003 Cranex Panoramic X ray Series Contents 4 Care and Maintenance nnn 32 Cleaning the nes ese xU MUI NDS 32 Painted
6. light is on When the light is on it indicates that the value or setting is on or has been selected A black circle indicates that the light is off and the value or setting is off or has not been selected 2 8201003 User s Manual Cranex Panoramic X ray Series 1 Introduction Warnings and precautions e These dental x ray units must only be used to take dental x ray exposures These dental x ray units must not be used to take any other x ray exposures e The x ray unit or its accessories must not be modified altered or remanufactured in any way e he x ray unit may be dangerous to both patient and operator unless safe exposure values are used and correct operating procedures are observed e As radiation safety and protection requirements vary from country to country and state to state it is the responsibility of the operator to ensure that all local and national radiation safety and protec tion requirements are met e When taking exposures operators must protect themselves from radiation When taking exposures operators must stand at least two metres six feet from the patient Operators must be able to see and hear the patient during an exposure e Operators must be able to see the exposure warning lights and hear the exposure warning signal during exposures If the x ray unit is lo cated in such a position that the operator cannot see the exposure warning lights an external exposure warning light must be use
7. mA in compensation mode for servicing 6 mA fixed for clinical use MAXIMUM TUBE CURRENT 11 mA MAXIMUM OUTPUT POWER 945 W nominal FILTRATION minimum filtration 2 5 mm BEAM QUALITY HVL over 2 5 mm Al at 81 kV OUTER SHELL TEMPERATURE 50 122 F maximum DUTY CYCLE Panoramic 1 15 81 kV 10mA User s Manual 8201003 35 5 Technical Specifications Cranex Panoramic X ray Series Power requirements INPUT VOLTAGE 175 250 410 50 60 Hz adjustable single phase grounded socket MAXIMUM LINE CURRENT Aat 81 kV 10mA MAXIMUM LINE RESISTANCE 1 ohm MAXIMUM LINE FUSING 10A slow main fuse 8A slow in device LINE SAFETY SWITCH when required Approved type min 10A 250 VAC EARTH LEAKAGE CIRCUIT BREAKER when required Approved type min 16 A250 VAC breaker activation leakage current in accordance with local regulations Mechanical parameters PANORAMIC SID 520 mm x10 mm Magnification factor 1 3 WEIGHT Panoramic unit 150 kg 330 Ib DIMENSIONS Panoramic unit HxWxD 2240 x 1200 x 970 mm 88 x 47 x 38 VERTICAL HEIGHT OF CHIN REST 850 1700 mm 33 67 Digital image receptor CCD sensor PDC Active sensor surface 147 5 x 6 1 mm Pixel size 0 096 mm File size approximately 4 2 MB per full panoramic image Application software Digora for Windows 2 1 36 User s Manual 8201003 Cranex Panoramic X ray Series 5 Technical Specifications Timer PANORAMIC EXPOSURE TIMES 50 Hz 60 Hz Normal 19 s 415
8. vertical locked position and then remove the key Locked 14 User s Manual 8201003 Cranex Panoramic X ray Series 3 Using the Units Operating the unit without x rays In some situations you may have to operate the unit without x rays being generated To do this press the test T key the indicator light will come on The exposure switch can now be pressed to demonstrate how the unit operates with out x rays being generated Test T key User s Manual 8201003 15 3 Using the Units Cranex Panoramic X ray Series Taking Panoramic exposures Panoramic exposure programs The following images can be taken with the Excel D and BaseX D Full width panorama Excel D and BaseX D Magnification 1 3 Reduced width panorama 20 pedo and sinus Excel D and BaseX D Magnification 1 3 The following images can only be taken with the Excel D Frontal area of the mandible and maxilla Excel D only Magnification 1 3 Right hand side of the mandible and maxilla Excel D only Magnification 1 3 Left hand side of the mandible and maxilla Excel D only Magnification 1 3 Temporomandibular joints TMJ One image showing the left and right TMJs mouth open or closed Excel D only Magnification 1 3 16 User s Manual 8201003 Cranex Panoramic X ray Series 3 Using the Units Preparing the unit 1 Switch the unit on Also make sure that the PC is switched on the dental imaging software is runnin
9. 01003 Cranex Panoramic X ray Series 2 Unit description The BaseX D Mirror Control panel Exposure warning lights Rotating arm Head support sensor sensor XA indicator light Tube head Focal trough light Frankfort light Chin supports Exposure switch Patient handles Height adjusting lever Positioning light switch User s Manual 8201003 2 Unit description Cranex Panoramic X ray Series The Control panel Excel D Ready light Comes on when the unit is ready to take an exposure Protection light Comes on if there is a problem with the generator kV selection key Program selection keys cM m x zx e 55 kV fas cg 19550 He 165 60 Hz AS KV 18 Panoramic exposure times Test T key operates the unit without x rays Return key drives the rotating unit to the ready position User s Manual 8201003 Cranex Panoramic X ray Series 2 Unit description The Control panel BaseX D Ready light Comes on when the unit is ready to take an exposure Protection light Comes on if there is a problem with the generator Exposure selection keys kV selection key e 65 E kV mA e Test Panoramic exposure times Test T key demonstrates the unit without x rays Retum key drives the rotating arm to the ready position User s Manual 8201003
10. NOTE When taking TMJ exposures the audible signal and the radiation warning lights will ONLY come on when radiation is generated Slide the forehead support away from the pa tient Open the temple supports Guide the patient out of the x ray unit The digital image will be transferred to the PC 4 Care and Maintenance Cranex Panoramic X ray Series 4 Care and Maintenance Cleaning the unit WARNING owitch the unit off before cleaning it Painted surfaces All painted surfaces can be wiped clean with a soft cloth dampened with a mild detergent NEVER use abrasive cleaning agents or polishes on this equipment Positioning mirror and light lenses The positioning mirror and positioning light lenses are made of glass Use a soft cloth dampened with a mild detergent NEVER use abrasive cleaning agents or polishes Surfaces that the patient comes into contact with All surfaces and parts that the patient touches or comes into contact with must be disinfected after each patient User s Manual 8200934 Cranex Panoramic X ray Series 4 Care and Maintenance Monitoring the operation of the unit Maintenance Yearly User s Manual 8200934 If any of the unit s controls or functions fail to operate or do not operate in the way described in this manual switch the unit off wait 30 seconds and then switch the unit on again If the unit still does not operate correctly contact your service technician for help If
11. User s Manual for the Cranex Excel D and Cranex BaseX D Digital version CE 0537 Medical Device Directive 93 42 EEC 05 2004 User s Manual for the Cranex Excel D and Cranex BaseX D Document number 8201003 ver 0405 Original approved English language version Manufactured by SOREDEX P O BOX 250 FIN 00031 SOREDEX FINLAND Tel 358 10 394 8412 Fax 358 9 701 5261 Soredex endeavours to produce product documentation that is accurate and up to date However our policy of continual product development may result in changes to products that are not reflected in the product documentation Therefore this document should not be regarded as an infallible guide to current product specifications Soredex maintains the right to make changes and alterations without prior notice Cranex Panoramic X ray Series Contents Contents 1 The Excel D and BaseX D x ray units 1 TOOU HON RE RO TOTIS 1 USMO TAIS Manual e 2 Warnings precautions esie chan os dune d x Egan da cexv cei 3 Check list before using the unit 5 erac 2e PII MEET D Symbols that appear on the units 6 2 Unit AESOP HON RENI 8 TRS
12. a midsagittal light the plane must coincide with the light beam Correct position Incorrect head tilted Incorrect head turned 22 User s Manual 8201003 Cranex Panoramic X ray Series 3 Using the Units 7 Closethe temple supports by pushing the temple support lever to the right 8 Position the Frankfort plane of the patient so that it roughly coincides with the Frankfort plane light Frankfort plane User s Manual 8201003 23 3 Using the Units Root apex Root apex Vertical axis Focal trough light beam Cranex Panoramic X ray Series 9 Ask the patient to open his lips so that you can see his teeth Estimate the positions of the apices of the central upper and lower incisors Adjust the tilt of the patient s head by raising or lowering the chin support so that both root apices are on the same vertical axis Tilt head to position root apices 10 The focal trough light beam indicates the center of the focal trough which is 10 mm wide at the front The root apices of the central upper and lower front incisors must now be positioned so that they are within the focal trough User s Manual 8201003 Cranex Panoramic X ray Series 3 Using the Units To do this rotate the focal trough positioning knob backwards or forwards until the root apices of the central upper and lower front incisors are within the focal trough For patients with NORMAL occlusion the f
13. d Contact your dealer for help e Avoid taking exposures of pregnant women User s Manual 8201003 3 1 Introduction Cranex Panoramic X ray Series e Turn off all devices that generate electromag netic waves such as cellular or cordless phones and do not use remote controls when taking an exposure e Donottake exposures of patients who are fitted with pacemakers 4 8201003 User s Manual Cranex Panoramic X ray Series 1 Introduction Check list before using the unit General e Read and familiarize yourself with the Warnings and Precautions in the introduction e Make sure that you are fully acquainted with the relevant radiation protection measures e Make sure that all the required radiation protec tion equipment such as radiation screens are of the approved type and where necessary cor rectly installed The CCD receptor e Make sure that the dental imaging software and the driver for the CCD receptor are installed in the PC connected to the x ray unit e Make sure that the PC is switched on and the dental imaging software is running and ready to receive an image before using the x ray unit e If the unit is connected to a PC that is compu ter network make sure that the network is oper ating and that all the identification and user rights for the network are correct User s Manual 8201003 5 1 Introduction Cranex Panoramic X ray Series Symbols that appear on the units Exposure switch lock
14. ed Test exposure Exposure switch unlocked Positioning lights On or enabled Exposure switch Off or disabled Panoramic exposure Protection light Reduced width panoramic exposure TMJ exposures outer Rotating unit return Jo Frankfort plane light AN Radiation warning O gt TMJ exposures inner TMJ exposures Partial exposure Patient s left hand side Partial exposure Patient s right hand side Frontal exposure Head supports open Height adjustment Head supports closed Dangerous voltage 9 6 8201003 User s Manual Cranex Panoramic X ray Series 1 Introduction Alternating current dn Protective earth ground Type B equipment C CE 0537 symbol MDD 93 42 EEC Earth ground 0537 EN s UL Classification Focal trough positioning CE Unlocked height adjustment User s Manual 8201003 T 2 Unit description Cranex Panoramic X ray Series 2 Unit description The Excel D Orvoff switch Midsagittal light Mirror Control panel Exposure warning lights Rotating arm Head support CCD sensor CCD sensor indicator light I Tube head Exposure switch Focal trough light Chin supports Patient handles Focal trough positioning knob Height adjusting key Focal trough position display Positioning light switch L 8 User s Manual 82
15. ers with the chin supports Chin rest 18 User s Manual 8201003 Cranex Panoramic X ray Series D 3 Using the Units Ask the patient to remove any dentures jewel lery or spectacles and then place a lead apron over the patient s back Adjust the height of the chin rest so that it is level with the patient s chin Excel D With the Excel D press the height adjusting key to position the chin rest User s Manual 8201003 BaseX D With the BaseX D turn the locking lever down wards to unlock the chin rest Adjust the position of the chin rest and then relock it by turning the locking lever back to the locked position 7 A J Locked Unlocked 3 Using the Units Cranex Panoramic X ray Series Positioning the patient for a panoramic exposure 1 Askthe patient to step into the unit and grasp the patient handles 2 f you are using the chin rest and bite block ask the patient to place his chin on the chin support and bite the bite block Make sure that the pa tient s upper and lower teeth are positioned in the respective notches on the top and bottom of the bite block Incisors in bite block notches Chin rest and bite block If you are using the chin cup ask the patient to position the upper and lower central incisors so that the biting edges are together Lu Chin cup If you are using the chin rest ask the patient to position the upper and lower centra
16. g and where applicable the network is operating 2 Press the Return key to drive the rotating unit to the ready position if it is not already in that posi tion Rotating unit in ready position 3 Select the exposure program you require Excel D only Press the appropriate program key The pro gram light will come on The programs are as follows Normal panoramic or sinus exposure Reduced width panorama 20 pedo or sinus exposure Temporomandibular joint TMJ exposure One exposure showing both TMJs either mouth m Li T T E X open or closed If TMJ images are required with eee eee the mouth open and closed take two exposures Frontal anterior exposure Partial exposure right hand side of patient Partial exposure left hand side of patient User s Manual 8201003 17 3 Using the Units Cranex Panoramic X ray Series BaseX D only The programs are as follows Adult for normal panoramic or sinus exposure IN Ej Child for Reduced width panorama 20 pedo e or sinus exposure Bite block 4 Select the chin support for the exposure you wish to take Chin support and bite block For panoramic exposures use the chin support and bite block or if the patient is edentulous the chin cup or the chin rest if you cannot use either of the above with the patient Chin cup For sinus and TMJ exposures use the chin rest CAUTION Always use the disposable cov
17. he chin rest Se Ask the patient to press his upper lip against the chin rest with his mouth closed Chin rest 2 he midsagittal plane is positioned the same as for a panoramic exposure 3 The focal trough is positioned the same as for a panoramic exposure 4 The Frankfort plane must be horizontal 5 After taking the first pair of TMJ exposures the image data will be transferred to the PC Ask the P patient to open his mouth for the second pair of exposures Mouth open 28 User s Manual 8201003 Cranex Panoramic X ray Series 3 Using the Units Taking an exposure 1 Pressthe RETURN key to drive the rotating unit to the start position The 65 kV light will come on This kV value can be used for ALL exposure programs READY light ON 65 kV Return key o 2 Askthe patient to breathe normally and not move until the exposure has been completed Exposures last approximately 20 seconds 3 Move at least two metres away from the x ray unit and protect yourself from radiation Make sure that you are able to see and hear the pa tient during the exposure User s Manual 8201003 29 3 Using the Units Cranex Panoramic X ray Series 4 Press and hold down the exposure button The indicator light on the side of the CCD sensor will come on First the light will be green indicat ing start up When the rotating unit starts to rotate which indicates the start of the exposure the light will change to yellow Hold do
18. l incisors so that the biting edges are together and then press his lower lip against the chin rest 20 User s Manual 8201003 Cranex Panoramic X ray Series 3 Using the Units 3 While the patient is holding the patient handles ask the patient to step forward a few centime tres so that patient is slightly off balance This movement will encourage the patient to push their head forward in order to maintain balance In this position the patient s cervical vertebrae will be stretched and straight and the patient will be in the best position for taking a panoramic exposure If necessary adjust the height of the chin rest to stretch the patient 4 Open the mirror so that you can see a reflection of the patient in the mirror User s Manual 8201003 21 3 Using the Units Cranex Panoramic X ray Series 5 Press the positioning light button to switch the patient positioning lights on The lights will remain on for 30 seconds If you need more time press the button again Midsagittal light Optional Y Frankfort light mf 1 Q Q Positioning light switch Focal trough light 6 Look atthe reflection of the patient in the mirror and position the midsagittal plane of the patient so that it is vertical The patients head must be positioned symmetrically and the patient must be looking straight ahead The patient s head is not tilted or turned to one side Midsagittal plane If the unit has
19. nctions as follows When the exposure button is pressed the indicator light should be green during start up and then change to red during and after exposure two minutes If the indicator does not function as described contact your dealer for assistance If the indicator light functions correctly check that all the cables are correctly con nected If the cables are correctly connected make sure that the image handling software in the PC is running and if applicable that the network is operating and that your user rights are correct 34 User s Manual 8200934 Cranex Panoramic X ray Series 5 Technical Specifications 5 Technical specifications Classification Complies with class type B IPXO Complies with IEC 601 1 IEC 601 2 7 and EN 55011 standards Group 1 class A Complies with DHHS Radiation Performance Standard 21CFR Subchapter J The unit must be installed in a protected clinical environment Description Dental panoramic x ray units with a high frequency switching mode x ray generators The panoramic version takes panoramic exposures Generator TUBE OPX 105 DE 100 15 or equivalent FOCAL SPOT BaseX D 0 5 mm IEC 336 Excel D 0 4 mm IEC 336 TARGET ANGLE 50 TARGET MATERIAL Tungsten OPERATING TUBE POTENTIAL Panoramic 63 81 kV 5 kV at preselected settings for servicing 65 kV fixed for clinical use OPERATING TUBE CURRENT 6 mA and 10 mA x1 mA at preselector 4 5 mA and 6 mA or 7 5 mA and 10
20. ocal trough light beam will be positioned between the second and third teeth Focal trough positioning knob Focal trough position display Optional IMPORTANT NOTE The most important factor in patient positioning is the position of the apices of the upper and lower central incisors They MUST be positioned within the focal trough even if it means ignoring the position of the Frankfort plane Focal trough light The Frankfort plane is To align the apices with correctly positioned but the focal trough light the the apices are not aligned Frankfort plane must with the focal trough light be tilted User s Manual 8201003 25 3 Using the Units Cranex Panoramic X ray Series 11 Slide the forehead support towards the patient until it touches the patent s forehead Forehead 26 User s Manual 8201003 Cranex Panoramic X ray Series 3 Using the Units Positioning the patient for a Sinus exposure 1 Forsinus exposures use the chin rest Ask the patient to press his upper lip against the um chin rest Chinresf x 2 he midsagittal plane is positioned the same as for a panoramic exposure 3 Position the focal trough light as far backwards as possible Focal trough light 4 The Frankfort plane must be horizontal Frankfort plane User s Manual 8201003 27 3 Using the Units Cranex Panoramic X ray Series Positioning the patient for TMJ exposures Excel D only 1 For TMJ exposures use t
21. olour CD ROM driver Storage SCSI tape drive MO disk Tube housing assembly cooling characteristics TUBE HOUSING ASSEMBLY COOLING CHARACTERISTICS HEAT UNITS 30 60 90 120 150 180 TIME IN MINUTES 38 User s Manual 8201003 Cranex Panoramic X ray Series Tube rating chart OPX 105 7 Co S i 4 TH um Xi 0 05 0 1 0 20 3 0 5 LE Bal a in LUI LLLI H 1 1 HH DE En Eo UN C2 Tube rating chart DE 100 15 TUBE LOADING CHART ANODE CURRENT 10 20 30 Sec 4 567 911 1520 TIME IN SECONDS User s Manual 8201003 s 5 Technical Specifications Anode thermal characteristics kJoule 1 kJ 1 41 kHU Anode thermal characteristics kHU ANODE COOLING CHARACTERISTICS ANODE HEAT UNITS TIME IN MINUTES 5 Technical Specifications Cranex Panoramic X ray Series OPX 105 4 Thermal curves 30 kJ 25 20 0 1 2 3 4 5 6 T 8 min 9 Rating charts 20 mA 18 0 01 0 1 1 10 sec 100 40 User s Manual 8201003 Cranex Panoramic X ray Series 5 Technical Specifications Unit dimensions 1200 47
22. wn the exposure button for the duration of the exposure During the exposure cycle you will hear an audible signal and the radiation warning lights will come on when radiation is generated WARNING RADIATION Indicator Light green ready yellow exposure yellow flashing data transfer red flashing data transfer problem When the exposure is complete the rotating unit stops moving and the exposure warning lights go out Remove your finger from the exposure button The yellow indicator light will start to flash This indicates that data from the CCD sensor is being transferred to the PC If the colour of the flashing light is red it indicates that the data cannot be transferred This could be because the imaging program in the PC is not open or the cable to the PC is not connected or is damaged Contact your local service for help 30 User s Manual 8201003 Cranex Panoramic X ray Series After exposure User s Manual 8201003 3 Using the Units NOTE TMJ Exposures Excel D only To take the second pair of TMJ exposures Press the RETURN key after you have taken the first pair of exposures to drive the rotating unit back to the ready position Make sure that the TMJ exposure program is still selected Reposition the patient for the second pair of TMJ exposures Refer to the section Positioning the patient for TMJ exposures and then take these exposures as described above
23. you hear the exposure warning tone but the expo sure warning light does not come on when an expo sure is taken stop using the unit and contact your service technician for help If you do not hear the exposure warning tone when an exposure is taken stop using the unit and contact your service technician for help Once a year an authorized service technician must carry out a full inspection of the unit During the inspection the following will be carried out a kV mA test a beam alignment test a ball pin test check to see that the safety ground is connected a check to see that the positioning lights operate check to see that the tube head is not leaking a check to see that all covers and mechanical parts are correctly secured and have not come loose A full description of all the tests and checks is de scribed in the Service Manual 4 Care and Maintenance Cranex Panoramic X ray Series Troubleshooting Problem The protection light comes on and you are unable to take an exposure Cause There is a problem with the generator Solution owitch the unit off After a few seconds switch it on again If the light comes on again contact your dealer for assistance Problem The image does not appear on the PC screen Cause There is a data transmission problem between the CCD sensor and the PC Solution Take another exposure without a patient and check that the CCD sensor indicator light fu
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