Dentsply Sirona CEREC Primescan AC Service Manual
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Dentsply Sirona CEREC Primescan AC Service Manual

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05.2019
New as of:
CEREC Primescan AC, Primescan AC,
CEREC Omnicam AC, Omnicam AC
Service Manual
English

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Summary of Contents for Dentsply Sirona CEREC Primescan AC

  • Page 1 05.2019 New as of: CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Service Manual English...

  • Page 2: Table Of Contents

    Table of contents Dentsply Sirona Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Table of contents General information ....................General information ..................Additional information .................. Structure of the document................1.3.1 Identification of the danger levels ..........
  • Page 3 Dentsply Sirona Table of contents Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 2.5.6 Performing the restore process............2.5.6.1 Connecting the USB stick..........2.5.6.2 Systems without a separate keyboard......2.5.6.3 Systems with a separate physical keyboard....
  • Page 4 Table of contents Dentsply Sirona Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3.1.6 Replacing the camera cable ......... 4.3.1.7 Replacing the O-ring............. 4.3.2 Replacing parts (by removing the service cover)......4.3.2.1 Replace the monitor kinematics ........
  • Page 5 Dentsply Sirona Table of contents Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Re-test ........................131 When is the re-test carried out?..............131 Description of device type................131 To be carried out on completion of the test..........131 What the test steps involve ................

  • Page 6: General Information

    1 General information Dentsply Sirona 1.1 General information Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC General information General information Nominal line voltage ranges The acquisition unit works in the following ranges: Rated line voltage 100-240  V ~ / 50-60  H z Nominal current 5.0 –...

  • Page 7: Additional Information

    Dentsply Sirona 1 General information Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 1.2 Additional information Additional information In addition, you also require: Wiring diagrams CEREC Primescan AC / Primescan AC / CEREC Omnicam AC / Omnicam AC Order No.: "66 83 119"...

  • Page 8: Structure Of The Document

    1 General information Dentsply Sirona 1.3 Structure of the document Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Structure of the document 1.3.1 Identification of the danger levels To prevent personal injury and material damage, please observe the warning and safety information provided in these operating instructions.

  • Page 9: Safety Instructions

    Dentsply Sirona 1 General information Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 1.4 Safety instructions Safety instructions 1.4.1 Qualification of service personnel The installation, commissioning, and repairs may only be performed by personnel authorized by Dentsply Sirona for this purpose.

  • Page 10: Disconnecting The Power Supply

    1 General information Dentsply Sirona 1.4 Safety instructions Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 1.4.5 Disconnecting the power supply If the device must be opened during maintenance work, this may be done only after disconnection of the power supply to the device.

  • Page 11: Important Instructions After Repair / Maintenance

    Dentsply Sirona 1 General information Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 1.4 Safety instructions 1.4.8 Important instructions after repair / maintenance To ensure a safe operating condition for the device, the following checks must be performed after repair / maintenance: ●...
  • Page 12 1 General information Dentsply Sirona 1.4 Safety instructions Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Plug connections of external interfaces CAUTION Adaptation of acquisition unit to external components Additional devices connected to external interfaces must be tested according to the relevant standards, e.g.:...

  • Page 13: Wireless Phone Interference With Equipment

    Dentsply Sirona 1 General information Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 1.4 Safety instructions 1.4.10 Wireless phone interference with equipment The use of mobile wireless phones in practice or hospital environments must be prohibited to ensure safe operation of the unit.

  • Page 14: Disposal

    1 General information Dentsply Sirona 1.4 Safety instructions Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 1.4.12 Disposal In accordance with Directive 2012/19/EU and national disposal regulations regarding old electrical and electronic devices, please be advised that such items must be disposed of in a special way within the European Union (EU).

  • Page 15: Technical Data

    Dentsply Sirona 1 General information Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 1.5 Technical data Technical data Type designation CEREC Primescan AC / Primescan AC / CEREC Omnicam AC / Omnicam Rated line voltage 100 - 240 VAC /50 - 60 Nominal current 5.0 –...
  • Page 16 1 General information Dentsply Sirona 1.5 Technical data Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Dimensions and weight Dimensions W x H x D in mm 408 (537) x 1190 x 443 in inches 16.06 (21.14) x 46.85 x 17.44 Weight ●...

  • Page 17: Pc Overview

    Dentsply Sirona 1 General information Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 1.6 PC overview PC overview 1.6.1 CEREC Primescan AC / Primescan AC components Component Hardware version Hardware version V1.7.1 V1.7.2 Power supply unit:...

  • Page 18: Cerec Omnicam Ac /Omnicam Ac Components

    1 General information Dentsply Sirona 1.6 PC overview Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 1.6.2 CEREC Omnicam AC /Omnicam AC components Component Hardware version Hardware version V1.1.1 V1.1.2 Power supply unit: Fortron FSP650-70UA Fortron FSP650-70UA...

  • Page 19: Overview Of The Connections On The Pc

    Dentsply Sirona 1 General information Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 1.6 PC overview 1.6.3 Overview of the connections on the PC L4 (monitor +12V) L7 (2x or 3x) WLAN antenna L1 (trackball/touchpad) L3.2 (scanner)
  • Page 20 1 General information Dentsply Sirona 1.6 PC overview Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Fan 3 (storage battery) L6 (monitor USB) L9 (radio modules LAN) L8 (radio modules USB) L12 (trackball/touchpad USB) IMPORTANT The position, number and precise layout of the ports for the graphics card and mainboard may differ depending on the hardware version.

  • Page 21: Service Tools

    Dentsply Sirona 2 Service tools Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 2.1 TeamViewer Service tools TeamViewer For remote diagnostics and assistance through customer support from Dentsply Sirona, TeamViewer Quicksupport is preinstalled. No Internet connection is required for this.

  • Page 22: Otc" Radio Module Tool

    2 Service tools Dentsply Sirona 2.2 "OTC" radio module tool Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC "OTC" radio module tool Background If the pairing between two radio modules is defective, the OTC tool can be used to reset the acquisition unit radio module via software.

  • Page 23: Dromni" Omnicam Diagnostics Program

    Dentsply Sirona 2 Service tools Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 2.3 "DrOmni" Omnicam diagnostics program "DrOmni" Omnicam diagnostics program Background The diagnostics program makes it possible to test, in an easy manner, whether the Omnicam can be operated on an acquisition unit (AC) and whether this functions correctly.
  • Page 24 2 Service tools Dentsply Sirona 2.3 "DrOmni" Omnicam diagnostics program Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Procedure – Uninstall the "GenICam v2.1" and "mvBlueCOUGAR(x64)" programs via the Windows settings before reinstalling driver version 1.12.50. The driver is located in the directory "C: \DentsplySirona\Drivers\Matrix Vision".
  • Page 25 Dentsply Sirona 2 Service tools Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 2.3 "DrOmni" Omnicam diagnostics program Figure 3: Strip image with clear green cast and reflex. 66 81 832 D3696 D3696.076.01.02.02    05.2019...

  • Page 26: Drprimescan" Primescan Diagnostics Program

    2 Service tools Dentsply Sirona 2.4 "DrPrimescan" Primescan diagnostics program Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC "DrPrimescan" Primescan diagnostics program Background The "DrPrimescan" diagnostics program makes it possible to test, in an easy manner, whether the Primescan scanner can be operated on an acquisition unit (AC) and whether the Primescan scanner functions correctly.
  • Page 27 Dentsply Sirona 2 Service tools Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 2.4 "DrPrimescan" Primescan diagnostics program Figure 2: Live image display as issued by DrPrimescan for a camera that is in good working order.
  • Page 28 2 Service tools Dentsply Sirona 2.4 "DrPrimescan" Primescan diagnostics program Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Potential problems and their causes Problems that could occur and their causes are listed below. For some problems, the program offers information that may not always be applicable or may be too comprehensive.

  • Page 29: Dentsply Sirona Restore Solution

    Dentsply Sirona 2 Service tools Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 2.5 Dentsply Sirona Restore Solution Dentsply Sirona Restore Solution 2.5.1 Objective The objective of inserting the Restore Solution is to restore the software factory defaults as a means of rectifying faults;...

  • Page 30: Compatible Pcs

    2 Service tools Dentsply Sirona 2.5 Dentsply Sirona Restore Solution Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 2.5.2 Compatible PCs Dentsply Sirona Restore Solution is compatible with the PCs of the following devices: ● CEREC Primescan AC, Primescan AC ●...

  • Page 31: Prerequisites For Performing This Procedure

    Dentsply Sirona 2 Service tools Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 2.5 Dentsply Sirona Restore Solution 2.5.3 Prerequisites for performing this procedure ● USB stick with Dentsply Sirona Restore Solution. ● All important user data on the C: drive must be backed up on the D: drive as a minimum;...

  • Page 32: Performing The Restore Process

    2 Service tools Dentsply Sirona 2.5 Dentsply Sirona Restore Solution Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 2.5.6 Performing the restore process 2.5.6.1 Connecting the USB stick ü The conditions for performing this process are met (see preceding section).

  • Page 33: Final Steps

    Dentsply Sirona 2 Service tools Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 2.5 Dentsply Sirona Restore Solution 2.5.7 Final steps You must carry out the following work upon conclusion of the restore processes in order that the device can be operated as previously: 1.

  • Page 34: Scanner

    3 Scanner Dentsply Sirona 3.1 Calibrating the scanner Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Scanner Calibrating the scanner The measurement procedure used by the system requires the use of a calibrated scanner. The CEREC Primescan / Primescan / CEREC Omnicam / Omnicam scanner is calibrated ex works.
  • Page 35 Dentsply Sirona 3 Scanner Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 3.1 Calibrating the scanner Calibrating the scanner 1. Remove the protective cap from the calibration set. 2. Mount the calibration set on the tip of the scanner until it locks into place.
  • Page 36 Dentsply Sirona 3.1 Calibrating the scanner Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Measuring the position of the exit window 1. Mount the bottom side of the calibration set to the tip of the scanner.

  • Page 37: Color Calibration

    Dentsply Sirona 3 Scanner Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 3.2 Color calibration Color calibration General information NOTE Faulty color analysis The color analysis can be negatively impacted due to strong light incidence and it can lead to varying results.
  • Page 38 3 Scanner Dentsply Sirona 3.2 Color calibration Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Color-calibrating the scanner NOTE Only use color calibration set with clean, dry CEREC Primescan / Primescan / CEREC Omnicam / Omnicam scanner...
  • Page 39 Dentsply Sirona 3 Scanner Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 3.2 Color calibration Error message during color calibration The software indicates if an error occurs during color calibration. If the color calibration contained an error, ensure the following: ●...

  • Page 40: Scanner Test And Diagnostics

    3 Scanner Dentsply Sirona 3.3 Scanner test and diagnostics Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Scanner test and diagnostics 3.3.1 CEREC Primescan / Primescan 3.3.1.1 Scanner Test and Diagnostics for CEREC Primescan / Primescan 3.3.1.1.1...
  • Page 41 Dentsply Sirona 3 Scanner Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 3.3 Scanner test and diagnostics 3.3.1.1.2 Possible symptoms Below you will find a list with possible symptoms and a sequence of solutions which are recommended in each respective case. All symptoms refer to the CEREC Primescan / Primescan scanner.
  • Page 42 3 Scanner Dentsply Sirona 3.3 Scanner test and diagnostics Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Symptom Solution sequence No live image. L2: Disconnect PC from the power supply. No 3D Preview. L1: Restart user software and/or PC.
  • Page 43 Dentsply Sirona 3 Scanner Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 3.3 Scanner test and diagnostics 3.3.1.1.3 Possible solutions Solution Description of solution Restart user software and/or PC. In many cases restarting the software or the PC is enough to rectify a problem.
  • Page 44 3 Scanner Dentsply Sirona 3.3 Scanner test and diagnostics Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Solution Description of solution Test for existing software licenses Check the existing licenses in the License Man- ager. Open the Windows Start menu, go to the "Dentsply Sirona"...

  • Page 45: Test Instruction For Inspecting The Voltage Output On The Interface Card

    Dentsply Sirona 3 Scanner Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 3.3 Scanner test and diagnostics Solution Description of solution Check that the interface card is working. Carry out a functional check of the interface card (see "Test instruction for inspecting the voltage out-...

  • Page 46: Cerec Omnicam / Omnicam

    Dentsply Sirona 3.3 Scanner test and diagnostics Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 5. When measuring at the 2nd and 3rd opening of the top row, a voltage of +5.5 V ± 0.2 V should be able to be measured.
  • Page 47 Dentsply Sirona 3 Scanner Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 3.3 Scanner test and diagnostics Symptom Solution sequence Exposure is not possible. G 1: Check license, G 2: Omnicam properly connected, L 3: Disconnect / plug in scanner cable,...
  • Page 48 3 Scanner Dentsply Sirona 3.3 Scanner test and diagnostics Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 3.3.2.1.3 Possible solutions Solution Description of solution Calibrate Omnicam Follow the instructions provided in the "Calibrating the scanner  [→ 34]" section.
  • Page 49 Dentsply Sirona 3 Scanner Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 3.3 Scanner test and diagnostics Solution Description of solution Replace the power supply unit Follow the instructions provided in the "Replacing the PC including the power supply unit  [→ 94]"...

  • Page 50: Repair

    4 Repair Dentsply Sirona 4.1 General information on assembly Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Repair General information on assembly DANGER Potentially lethal shock hazard People can be injured or electrical components of the unit destroyed.

  • Page 51: Removing Covers And Holders

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.2 Removing covers and holders Removing covers and holders 4.2.1 Removing and installing covers 4.2.1.1 Cover overview A Front cover panels B Cover, left...

  • Page 52: Opening The Service Cover

    4 Repair Dentsply Sirona 4.2 Removing covers and holders Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.2.1.2 Opening the service cover 1. Turn the turning bolt with a screwdriver (> 5) or another suitable implement (a coin or suchlike) approx. 90° counterclockwise up to the stop.
  • Page 53 Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.2 Removing covers and holders 2. Flip the footswitch down. 3. Unscrew the left screw (B). 4. Remove the left cover by pulling it out downwards slightly and then to the rear.

  • Page 54: Right Cover

    4 Repair Dentsply Sirona 4.2 Removing covers and holders Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.2.1.5 Right cover 1. Unscrew the 3 screws (A, TX  2 0). 2. Flip the footswitch down. 3. Unscrew the right screw (B).

  • Page 55: Front Cover

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.2 Removing covers and holders 4. Remove the right cover by pulling it out downwards slightly and then to the rear. 4.2.1.6 Front cover...
  • Page 56 4 Repair Dentsply Sirona 4.2 Removing covers and holders Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 1. Unscrew the 3 screws (A). 2. Unscrew the 3 screws (B). 66 81 832 D3696 D3696.076.01.02.02    05.2019...

  • Page 57: Replacing The Kinematics Cover

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.2 Removing covers and holders 3. Press the 2 Pilz connectors (C) from behind out of the grommets. Alternatively: Loosen the cover by pulling on the bottom part of the front cover until the Pilz connector audibly disengages.

  • Page 58: Replacing The Cerec Primescan / Primescan Scanner Holder

    4 Repair Dentsply Sirona 4.2 Removing covers and holders Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.2.2 Replacing the CEREC Primescan / Primescan scanner holder A CEREC Primescan / B CEREC Primescan / Primes- Primescan scanner holder...

  • Page 59: Replacing The Cerec Omnicam / Omnicam Scanner Holder

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.2 Removing covers and holders 4.2.3 Replacing the CEREC Omnicam / Omnicam scanner holder A CEREC Omnicam / Omni- B CEREC Omnicam / Omnicam...

  • Page 60: Replacing The Heater

    4 Repair Dentsply Sirona 4.2 Removing covers and holders Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.2.3.1 Replacing the heater ü The scanner holder is removed (see "Replacing the CEREC Omnicam / Omnicam scanner holder  [→ 59]").

  • Page 61: Replacing Parts (Without Removing Covers)

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) Replacing parts (without removing covers) 4.3.1 Replacing parts (without removing the service cover) 4.3.1.1 Replacing the main fuse...

  • Page 62: Adjusting The Footswitch

    4 Repair Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3.1.2 Adjusting the footswitch 1. Flip the footswitch down. 2. Turn the adjusting screw (A), until (when the footswitch is in a closed state) it audibly actuates the tab (B) of the microswitch.

  • Page 63: Replacing The Monitor Usb Cover

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 4.3.1.4 Replacing the monitor USB cover 1. Open the monitor USB cover. 2. Remove the monitor USB cover by using your left hand to bend the...

  • Page 64: Replacing The Footswitch

    4 Repair Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3.1.5 Replacing the footswitch 1. Remove the scanner from the holder and set it safely aside. For a device with a trackball, remove the trackball from the spherical recess.

  • Page 65: Replacing The Camera Cable

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 4.3.1.6 Replacing the camera cable IMPORTANT Perform the replacement of the camera cable in a dust-free environment. Primescan 1.
  • Page 66 4 Repair Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 7. Release the two screws and remove the strain relief cover (F) from the camera housing. IMPORTANT Ensure that no dust particles penetrate into the interior of the camera.
  • Page 67 Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 12. Place the strain relief cover (F) onto the camera housing and fix it with the two screws (tightening torque: 30  N cm).
  • Page 68 Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 17. Attach the tool (A) (REF 6399229) to the cover nut (B) with the two pins and turn it using a torque wrench (tightening torque: 2.5 Nm).
  • Page 69 Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 6. Carefully disconnect the connector (E) from the camera and remove the camera cable. 7. Detach the spacer (F) and the camera cover from the old camera cable and push it over the new camera cable in the order presented.
  • Page 70 Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 11. Push the spacer (F) onto the camera housing. Make sure that the thick part of the spacer is pointing downwards.

  • Page 71: Replacing The O-Ring

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 4.3.1.7 Replacing the O-ring This section only applies to CEREC Primescan / Primescan. Removing the worn O-ring ü The sleeve has been removed from the scanner body.
  • Page 72 Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 1. Slide the O-ring at one point into the O-ring groove. 2. Starting from this point, carefully use your thumb and index finger to push the O-ring into the groove (in a similar way to pushing it out but without any force).

  • Page 73: Replacing Parts (By Removing The Service Cover)

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 4.3.2 Replacing parts (by removing the service cover) 4.3.2.1 Replace the monitor kinematics Use the parts available in the "6720135 Kinematik ERS SET" spare parts to replace the monitor kinematics.
  • Page 74 4 Repair Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 3. Remove the kinematics cover bearing flange. 4. Pivot the entire monitor holder away from you and unscrew 4 PT screws (B, F 3 X 8, TX ...
  • Page 75 Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 5. Carefully pivot the monitor holder (C) in order to get past the kinematics bearing flange with the lever arm cover at the front (D).
  • Page 76 Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 7. Loosen 2 PT screws (E, F 3 X 8) and pivot the cable reliefs away. 8. Remember the cable route (take a photo or mark out the route) so that you can lay the cable in the exact same way later.
  • Page 77 Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 10. Unscrew 2 screws (F, M3 X 6 Precote) and remove the 2 monitor connection covers (G). 4.3.2.1.2 Remove the monitor kinematics 1.
  • Page 78 4 Repair Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3.2.1.3 Insert the monitor kinematics 1. Attach the new uncovered kinematics (J) loosely using the 4 screws (H, M4 X 35).
  • Page 79 Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 2. Unscrew the 2 M12 nuts (A) and screw them away from the bearing pedestal. 3. Apply Loctite carefully on the gear shaft between the M12 nuts and bearing pedestals.
  • Page 80 4 Repair Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 7. Retighten the 2 screws (B, M4 X 35) with 2.5  N m. 4.3.2.1.5 Check tightness Check the tightness of the monitor by carrying out the following tests: ●...
  • Page 81 Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 4.3.2.1.6 Readjust the monitor kinematics If one of the tests is unsuccessful, readjust the right and left sides in turn as described until the test is completed successfully: 1.
  • Page 82 4 Repair Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3.2.1.7 Reattach the covers 1. Remove the monitor and place it on a soft and clean base once again as shown.
  • Page 83 Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 6. Pivot the cable reliefs above the cables and screw these in with the 2 PT screws (E, F 3 X 8) finger tight. NOTE!  Do not tighten too hard as otherwise the screw bosses may burst! 7.
  • Page 84 Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 10. Pivot the entire monitor holder away from you and screw the 4 PT screws (B, F 3 X 8) in finger tight. NOTE!  Do not tighten too hard as otherwise the screw bosses may burst! 11.

  • Page 85: Replacing The Monitor

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 12. Screw the 2 screws (A, M3 X 6 Precote) in tightly. NOTE!  Do not tighten too hard as otherwise the plastic parts may burst! 4.3.2.2...
  • Page 86 Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 2. Loosen and remove the monitor brake (2 screws). 3. Unscrew the locking plate mini DIN connector (1 screw A).
  • Page 87 Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) Installing the monitor 1. Guide the 4 monitor cables through the opening and insert the monitor. 2. Route the 4 monitor cables as follows: HDMI cable and USB cable on the right;...
  • Page 88 Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4. Insert the eyelet of the ground cable (L14) as shown between the screw head and tooth washer. Fasten the ground cable using the screw.

  • Page 89: Control Unit

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 8. Re-tighten the locking plate mini DIN connector with 1 screw (A). 9. Route the cables as shown and clip them into the holders.
  • Page 90 4 Repair Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 2. Use the blade screwdriver as a lever and push the locking plate back up to the stop.
  • Page 91 Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 2. Attach the USB connector and the connector of cable L1 and route the cable as shown. 3. Bring the locking plates into the correct position for the insertion of the control unit.
  • Page 92 4 Repair Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3.2.3.2 Removing and inserting the control unit cable ü The monitor is removed; see "Replacing the monitor  [→ 85]".
  • Page 93 Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 4.3.2.3.3 Removing and inserting the interface cables ü The monitor is removed; see "Replacing the monitor  [→ 85]". 1. Raise the complete control unit carefully upwards slightly (see "Removing and inserting the control unit ...

  • Page 94: Replacing The Pc Including The Power Supply Unit

    4 Repair Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3.2.4 Replacing the PC including the power supply unit Removal 1. Open the service cover (see "Opening the service cover  [→ 52]").
  • Page 95 Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 5. Unscrew the locking plate mini DIN connector (1 screw A). 6. Remove all connectors from the PC.
  • Page 96 4 Repair Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 10. Detach the connector of the power supply from the rear side of the power supply unit. Installation 1.
  • Page 97 Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 5. Insert all connectors as shown (for connector assignment, see "Overview of the connections on the PC  [→ 19]"). Note the information in "Replacing the WLAN card ...
  • Page 98 Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 9. Screw on the partition plate (2 screws). 10. If the option is available, install the battery again (see "Replace battery (optional) ...
  • Page 99 Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 6. Plug the new power supply unit into the guide tabs. Make sure that the foam rubber strip (A) is not dislocated through the insertion of the power supply unit.

  • Page 100: Replace Battery (Optional)

    4 Repair Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3.2.5 Replace battery (optional) Service cover 2 guide rails Storage battery 2 guide pins 2 fastening screws 1. Open the service cover (see "Opening the service cover  [→ 52]").

  • Page 101: Replacing The Dvd Drive (Optional)

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 4.3.2.6 Replacing the DVD drive (optional) 1. Open the service cover on the rear side (see "Opening the service cover ...

  • Page 102: Opening The Pc

    4 Repair Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3.2.7 Opening the PC ü The PC is removed (see "Replacing the PC including the power supply unit  [→ 94]").

  • Page 103: Replacing The Hard Drive

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 4. Insert the new SSD module and push it downwards on the right side. 5. Screw the SSD module down tightly with the fastening screw.

  • Page 104: Replacing The Wlan Card

    4 Repair Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3.2.10 Replacing the WLAN card 1. Open the PC (see "Opening the PC  [→ 102]"). 2. Remove the screw from the PCI slot plate and pull the WLAN card up and out of the PC.

  • Page 105: Replace The Graphic Card

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 3. Detach the 4 connectors (1x white and 3x black). Make sure to release/press the lock for the 3 black connectors first.
  • Page 106 4 Repair Dentsply Sirona 4.3 Replacing parts (without removing covers) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 6. Press the socket lock downwards. 7. Pull the graphics card up and out of the PC. 8. Insert the new graphics card into the slot and lock it.

  • Page 107: Closing The Pc

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.3 Replacing parts (without removing covers) 4.3.2.13 Closing the PC 1. Insert the cover so that a gap of roughly 2 cm is kept at the rear.

  • Page 108: Replacing Parts (Whereby The Removal Of Covers Is Necessary)

    4 Repair Dentsply Sirona 4.4 Replacing parts (whereby the removal of covers is necessary) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC Replacing parts (whereby the removal of covers is necessary) 4.4.1 Replace internal scanner cable ü...
  • Page 109 Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.4 Replacing parts (whereby the removal of covers is necessary) 1. Detach the connector (B) from the power plug, but leave it in the device.
  • Page 110 Dentsply Sirona 4.4 Replacing parts (whereby the removal of covers is necessary) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4. Pull both cable lugs off with needle-nosed pliers. 5. Unscrew the 2 screws (A) and remove the power input.

  • Page 111: Replacing The Fan

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.4 Replacing parts (whereby the removal of covers is necessary) 9. Screw on the screw of the plate cover. 10. Plug the connector (B) back in again.

  • Page 112: Replacing The Fan Power Pack

    4 Repair Dentsply Sirona 4.4 Replacing parts (whereby the removal of covers is necessary) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.4.4 Replacing the fan power pack. ü The right cover is detached (see "Removing and installing covers ...

  • Page 113: Replacing The Radio Module

    Dentsply Sirona 4 Repair Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.4 Replacing parts (whereby the removal of covers is necessary) 4.4.5 Replacing the radio module ü The entire cover is detached (see "Removing and installing covers ...

  • Page 114: Replacing The Footswitch Cable

    4 Repair Dentsply Sirona 4.4 Replacing parts (whereby the removal of covers is necessary) Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 4.4.6 Replacing the footswitch cable ü The entire cover is detached (see "Removing and installing covers ...

  • Page 115: Settings And Adjustments

    Dentsply Sirona 5 Settings and adjustments Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 5.1 Set the monitor kinematics Settings and adjustments Set the monitor kinematics 5.1.1 Removing the covers 1. Remove the monitor (see "Replacing the monitor  [→ 85]") and place it on a soft and clean base as shown.
  • Page 116 5 Settings and adjustments Dentsply Sirona 5.1 Set the monitor kinematics Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 3. Remove the kinematics cover bearing flange. 4. Pivot the entire monitor holder away from you and unscrew 4 PT screws (B, F 3 X 8, TX ...
  • Page 117 Dentsply Sirona 5 Settings and adjustments Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 5.1 Set the monitor kinematics 5. Carefully pivot the monitor holder (C) in order to get past the kinematics bearing flange with the lever arm cover at the front (D).
  • Page 118 Dentsply Sirona 5.1 Set the monitor kinematics Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 7. Loosen 2 PT screws (E, F 3 X 8) and pivot the cable reliefs away. 8. Remember the cable route (take a photo or mark out the route) so that you can lay the cable in the exact same way later.

  • Page 119: Adjust The Monitor Kinematics

    Dentsply Sirona 5 Settings and adjustments Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 5.1 Set the monitor kinematics 10. Unscrew 2 screws (F, M3 X 6 Precote) and remove the 2 monitor connection covers (G).
  • Page 120 5 Settings and adjustments Dentsply Sirona 5.1 Set the monitor kinematics Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 2. Unscrew the 2 M12 nuts (A) and screw them away from the bearing pedestal. 3. Apply Loctite carefully on the gear shaft between the M12 nuts and bearing pedestals.

  • Page 121: Check Tightness

    Dentsply Sirona 5 Settings and adjustments Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 5.1 Set the monitor kinematics 7. Retighten the 2 screws (B, M4 X 35) with 2.5  N m. 5.1.3 Check tightness Check the tightness of the monitor by carrying out the following tests: ●...

  • Page 122: Readjust The Monitor Kinematics

    5 Settings and adjustments Dentsply Sirona 5.1 Set the monitor kinematics Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 5.1.4 Readjust the monitor kinematics If one of the tests is unsuccessful, readjust the right and left sides in turn as described until the test is completed successfully: 1.

  • Page 123: Reattach The Covers

    Dentsply Sirona 5 Settings and adjustments Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 5.1 Set the monitor kinematics 5.1.5 Reattach the covers 1. Remove the monitor and place it on a soft and clean base once again as shown.
  • Page 124 5 Settings and adjustments Dentsply Sirona 5.1 Set the monitor kinematics Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 5. Insert the cables into the guides (K) (thin cable first). Ensure that the radius is adequate (L).
  • Page 125 Dentsply Sirona 5 Settings and adjustments Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 5.1 Set the monitor kinematics 9. Carefully pivot the monitor holder (C) in order to get past the kinematics bearing flange with the lever arm cover at the front (D).
  • Page 126 Dentsply Sirona 5.1 Set the monitor kinematics Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 11. Insert the kinematics cover bearing flange. 12. Screw the 2 screws (A, M3 X 6 Precote) in tightly. NOTE!  Do not...

  • Page 127: Maintenance

    Dentsply Sirona 6 Maintenance Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 6.1 Clean the PC fans Maintenance Clean the PC fans ü The PC is removed (see "Replacing the PC including the power supply unit  [→ 94]").
  • Page 128 Dentsply Sirona 6.2 Replacing/cleaning the filter Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 5. Open up the lengthways cover by pushing the lateral spring plate. 6. Remove the metal grille and clean it (e.g. with a vacuum cleaner).

  • Page 129: Circuit Diagrams

    Dentsply Sirona 7 Circuit diagrams Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 7.1 CEREC Primescan AC / Primescan AC Circuit diagrams CEREC Primescan AC / Primescan AC 66 81 832 D3696 D3696.076.01.02.02    05.2019...

  • Page 130: Cerec Omnicam Ac / Omnicam Ac

    7 Circuit diagrams Dentsply Sirona 7.2 CEREC Omnicam AC / Omnicam AC Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC CEREC Omnicam AC / Omnicam AC 66 81 832 D3696 D3696.076.01.02.02    05.2019...
  • Page 131 Dentsply Sirona 8 Re-test Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 8.1 When is the re-test carried out? Re-test When is the re-test carried out? The acquisition unit CEREC Primescan AC / Primescan AC / CEREC...
  • Page 132 8 Re-test Dentsply Sirona 8.4 What the test steps involve Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 8.4.2 Protective ground wire resistance The protective ground wire resistance of the power cable (measured from plug to socket) must be ≤ 100 mΩ.
  • Page 133 Dentsply Sirona 8 Re-test Service Manual CEREC Primescan AC, Primescan AC, CEREC Omnicam AC, Omnicam AC 8.4 What the test steps involve 8.4.5 Functional test 1. Once the above test steps have been completed, restore the acquisition unit CEREC Primescan AC / Primescan AC / CEREC Omnicam AC / Omnicam AC to normal operating conditions.
  • Page 134 We reserve the right to make any alterations which may be required due to technical improvements. © Sirona Dental Systems GmbH Sprache: englisch Printed in Germany D3696.076.01.02.02      05.2019 Ä.-Nr.:  127 377 Sirona Dental Systems GmbH 66 81 832 D3696 Fabrikstr. 31 Order No   ...

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