Konica Minolta Frequently Asked Questions

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Color & Appearance


We cannot stop production while our unit is in for service. How long is the repair time turnaround?
We offer an expedite service (additional charge) which has a 48hr turn around time after we receive the unit.


My warranty is about to expire. Does Konica Minolta offer an extended warranty?

Konica Minolta offers a technology insurance program (TIP) which is available at different levels, depending on your needs. Please visit Repairs & Tech Support for more information.


What does your service warranty contract include?

The contract includes all parts and labor with the exception of the sphere. The warranty will also be voided if there is evidence of tampering or user mishandling.


What should I include when sending my unit in for service?

Please send in all masks, cables, AC adapters, the calibration plate and any other accessories that need to be tested or calibrated to the unit.


Where can I find additional accessories for my unit?

Unit accessories can be obtained by visiting www.shopKMSA.com.


Our company is ISO:9001 certified. Do you offer documentation with a serviced unit?

All units are returned with either a Certificate of Calibration or a Certificate of Conformance, depending on the model.


Do I need to calibrate my unit everyday before I perform measurements?

Yes. You should calibrate to your standard before you perform your measurements. Most units will ask you to calibrate if you have not already.


How often do I need to send in my unit for calibration?

Konica Minolta suggests that you send in your unit for calibration yearly due to use of unit; degradation of white plate, etc.


What is the difference between Illuminant C and D65?

Both are standard daylight illuminants; C is the average of north sky daylight and D65 is the most commonly used illuminant representing noon daylight. Most of our units default setting is C.


What is a Colorimeter?

A colorimeter is an instrument used to measure light reflected or transmitted by a specimen. There are two general types of colorimeters commonly used - visit our website to learn more about functions of a colorimeter.


What is a Tristimulus Colorimeter?

A Tristimulus Colorimeter is an instrument used to measure quantities which can be used to obtain an approximation of tristimulus values. They are used only for measuring the color difference between two similar, nonmetameric samples. Visit our website to learn more about the Tristimulus colorimeter.


What is the best software to use with my unit?

Only you know what software is best for you depending of your system capabilities and what particular information you need to display.


If my unit came with a white calibration plate, do I need to send that in when I send my unit in for calibration?

All units are returned with either a Certificate of Calibration or a Certificate of Conformance, depending on the model.


Service


What is the difference between factory calibration and daily instrument calibration?

Both factory instrument calibration and daily instrument calibration are important to maintaining consistent and reliable readings from your color measurement instrument. Both calibrations must be current, and are necessary to ensure the instruments highest performance. 'You can't have one without the other.


What is daily instrument calibration?

Daily calibration is a procedure that is designed for the instrument operator to bring the instrument to a known state utilizing a factory supplied reference standard of traceable values.

The procedure for daily calibration is simple and straightforward. Two measurements are taken with the instrument, one measurement of a ceramic white standard with traceable values, and one measurement of absolute black.

The measurement of the white ceramic standard must always be performed with the standard that was assigned to the respective instrument. Each white standard is serialized and therefore easily paired with the correct instrument. The absolute black measurement, referred to as a 'zero calibration' or 'black trap measurement' can be performed by utilizing a special attachment for the instrument which absorbs all light (black trap, or zero calibration box), or by taking a measurement with nothing in front of the instruments measurement port for at least 3ft (open port black calibration). In either scenario the end result is the same in that no light will be reflected back into the instrument and therefore the measurement result will be of an absolute black.

Both the white standard reading and the absolute black reading are utilized by the instruments onboard processor to set the instrument to a known state of calibration.


How often should daily calibration be performed by the operator of the instrument?

Daily calibration of color measurement devices should be performed in the same environment and conditions as the measurements with the device will be taken. The instrument and its calibration standard should be given sufficient time to acclimatize to the environment where calibration and measurement will occur. Typically with stationary instruments a minimum interval that daily calibration should be performed is every 8 hours or every shift. However there are various cases where daily calibration should be performed more often such as:
  • If the environmental conditions of temperature and humidity change. The calibration process allows the operating environment to be taken into account to provide consistent results.
  • If the measurement mode of the instrument is changed, for example specular component, reflectance, transmittance, etc...
  • If the aperture size of the instrument is changed.

If you have any questions on calibration interval please consult the user's manual of the instrument or with Konica Minolta's team of application engineers, they can recommend the optimum calibration interval based on your specific measurement requirements. Keep in mind, daily calibration only takes a matter of seconds, so when in doubt, re-calibrate!

There are several important considerations when performing daily calibration of color measurement devices, they can be summarized as:

  • Ensure the white calibration tile is free from scratches, dirt, or fingerprints. Any debris or abnormality can affect the calibration of the device in question.
  • Ensure the white calibration tile is seated correctly to the instruments measurement aperture. Any angular misalignment can cause variation in the measurement of the calibration standard and introduce error.
  • Ensure you are utilizing the correct white calibration standard for your device.
  • For black calibration utilizing a zero calibration box ensure that the zero calibration box, or black trap, is free from dust and debris.
  • For black calibration utilizing an open port calibration, ensure that there is no objects in front of the instruments measurement port less than three feet, and do not place the measurement port facing toward a light source.


What is factory calibration and why is it required to perform this annually?

Factory calibration, also referred to as annual calibration, is a much more comprehensive testing and re-calibration of an instrument. Factory calibration is the process of adjusting the accuracy of the instrument in comparison to a master instrument and standards which meet known national or international traceable standards. Daily calibration and factory calibration share the same goal, making sure your instrument is reading accurately and repeatable. The two go hand in hand and neither can replace the other.

Every new Konica Minolta Sensing Americas Instrument ships with its factory calibration assured. This baseline factory calibration is what ensures your daily calibrations can be completed correctly and accurately. Your daily calibrations are tied to the accuracy of the instruments factory calibration. To ensure instruments will function correctly over time it is necessary that all color measurement instruments receive factory calibration on an annual basis.



A brief overview of the differences between factory calibration and daily calibration is:

  • Factory calibration can only be performed by a trained and certified Konica Minolta Sensing Americas service technician either in our state of the art calibration laboratory in Ramsey, NJ, or at the instruments location by one of our field service engineers.
  • Ensures the instrument meets all of the measurement specifications as it did when it was newly produced. The specifications and methods to evaluate are traceable to in house master instruments and standards which are traceable to standards organizations such as NIST, NPL, etc...
  • Assess the instruments overall ability to read color through the entire spectrum both for accuracy and repeatability.
  • Evaluates and if needed corrects through repair the instruments physical state, such as optics, lamps, apertures, etc...
  • Recalibrates and assigns new calibration values to the white calibration tile used for daily calibration.
  • Issues new traceable certificates for both the instruments factory calibration, and the standard white calibration tile.



CM-3600d Bench Top Spectrophotometer


If my unit came with a white calibration plate, do I need to send that in when I send my unit in for calibration?

The CD has read only files that are not recognized by OnColor. You must copy the files from the CD into the Cm3600 folder in the OnColor folder. The default location is C:\Program Files\CyberChrome\OnColor\Cm3600.


Recently I have been getting an "Error 11" occasionally on my CM-3600d. Do I need to send the unit in for service?

During the summer months when the temperature and humidity are high, it is possible that the temperature and humidity levels of the unit can be exceeded, especially in a manufacturing environment. Move the unit to a dryer, cooler location and retest. If the error persists, please send the unit in for service.


How I load CM-3600d data into SpectraMagic? FOR LOADING 3600 CALIBRATION DATA AND INPUT DRIVERS FOR SPECTRAMAGICNX AFTER SERVICE.

Please follow these instructions if the 3600d has previously been connected to the computer with SpectraMagic NX:
  • Right click on SpectraMagic NX software icon, choose properties from menu.
  • Click "Find Target" button. In the window that opens up look for the folder named CM3600d.
  • Frequently Asked Questions - Konica Minolta Measuring Instruments
  • There are about 16 files that begin with DLL. DO NOT delete those files.
  • Only delete the files that begin with the serial number of your CM-3600d and the files that have the serial number of the white calibration plate. There should be about 29 files altogether.
  • Turn CM-3600d on. Open software. The software will ask for the unit drivers. Navigate to the CD and load the unit drivers.
  • After the unit drivers are loaded the software will ask for the calibration data. Load the calibration data off of the CD.




  • CM-2600d Portable Spectrophotometer


    How often should I send in my CM-2600d for service?

    Konica Minolta recommends sending the unit in once a year for calibration.



    CR-400 Colorimeter


    Why can’t my DP-400 communicate with my CR-400?

    Make sure that the CR-400 is not in PC Mode. To take the CR-400 out of PC Mode, press the escape button.



    Light & Display Measurement


    What is the level of tolerance for my light meter?

    Every light meter has a difference tolerance level. Please consult your manual or the certificate of conformance supplied with your unit for yours.


    Is there any conversion methods for converting FCD values to LX and vice versa?

    Yes there is but most of the light meters can measure in both LX and FCD. The conversion formula is as follows: 1 FCD = 10.76 LX.


    What is the best light meter to use for my company?

    After speaking with one of our highly capable radiometric salespeople, you will be able to determine what light meter should be utilized for your company.


    Can I download my measurement data and if so; how easy is it?

    Each unit has it own capabilities so consulting your owners manual might help. If you are still experiencing difficulty, our Technical support engineers will be glad to guide you thru the process.


    What light source in Konica Minolta using to calibrate my light meter and is there any way to recreate that myself and calibrate it myself?

    We use a N.I.S.T. (National Institute of Standards and Technology) certified tungsten filament lamp to calibrate our light meters and only a Konica Minolta certified Service center can calibrate our light meter.



    T-1


    How do I set my T-1 from lx to fc?

    Turn unit off then remove Head from body and switch button from fc to lx.


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