Konica Minolta CR-20 Instruction Manual

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CR-20

Instruction Manual

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Shashikumara K B Kulambi

February 12, 2025

Hi, How to do the calibration of white master

1 comments:

Mr. Anderson

February 12, 2025

To calibrate the white master for the Konica Minolta CR-20:

1. Hold the instrument securely.
2. Place the white calibration cap with the white calibration area facing upward.
3. Position the instrument on top of the cap so that the target mask fits over the white calibration area.

Notes:
- Do not fix the white calibration cap to the instrument.
- When not in use, attach the dedicated lid to the white calibration cap and store it in a location protected from external light or dust.

This answer is automatically generated

Summary of Contents for Konica Minolta CR-20

Page 1 CR-20 Instruction Manual Please read before using the instrument.
Page 2 However, should you have any questions or ﬁ nd any errors, please contact a KONICA MINOLTA-authorized service facility. • KONICA MINOLTA will not accept any responsibility for accidents that arise from the use of the instrument or products used other than as directed in this manual.
Page 3: Safety Precautions
ﬁ re. This may lead to ﬁ re, injury, or burns. Battery disposal those speciﬁ ed by KONICA MINOLTA is used, or if the adapter is connected to an methods vary depending on each municipality. Adhere to municipal instructions when unsupported voltage, it may result in damage to the adapter, ﬁ...
Page 4: Introduction
• Be sure to use only the AC adapter speciﬁ ed by KONICA MINOLTA and connect it to a 100-240 ▌Operating Environment VAC (50/60 Hz) AC outlet.
Page 5: Notes On Storage
Never use solvents such as thinner or benzene. If you are • Do not attempt to replace the backup battery by yourself. Contact a KONICA MINOLTA- unable to remove dirt from the instrument or if the instrument becomes scratched, authorized service facility instead.
Page 6: Table Of Contents
White Calibration ··········································································································57 Cleaning the Components ·······················································································18 Measurement ················································································································58 Turning the Power ON/OFF ·····················································································19 Measurement ···········································································································58 Display Language (When ﬁ rst turning the CR-20 ON) ·············································20 Avg. Meas. ···············································································································59 Battery Warnings ·····································································································21 Save Meas. Data ·····································································································60 Points to Remember ·····································································································22 Measurement Result Display ························································································61...
Page 7: Chapter 1 Before Using The Instrument
Chapter 1 Chapter 1 Before Using the Instrument...
Page 8: Checking The Included Accessories
Checking the Included Accessories This instrument can be used with the following standard accessories and optional accessories. Memo The shape of some products may be different from those shown. Standard Accessories Verify that all of the following items are included. ■...
Page 9: Optional Accessories
Checking the Included Accessories (Cont.) Optional Accessories Purchase the following separately sold accessories as necessary. ■ AC Adapter AC-A308 ■ Hard Case CR-A90 The adapter is used to supply power from the AC power This case can be used to store the instrument together supply to the instrument.
Page 10: System Diagram
COLOR READER CR-20 Protective Cover Hard Case CR-A91 CR-A90 Soft Case CR-A98 USB Cable Printer IF-A25 (Commercially available) (Commercially available) White PC application Protective Cap Calibration Cap (stored in CR-20 body) CR-A93 CR-A86 DATA MANUAL WARNING Standard accessories Optional accessories...
Page 11: Names And Functions Of Parts
Names and Functions of Parts 5. STATUS lamp (orange) Illuminates the lamp when measurement fails, when the xenon tube is burnt out, when operation cannot be performed, and for other error notiﬁ cations. 6. Sample surface aperture This is the aperture for measuring samples. The diameter of the opening can be changed by replacing the target mask.
Page 12: Handling The Instrument
Handling the Instrument Attaching the Wrist Strap Notes When using the instrument by hand, attach the wrist strap and pass your arm through the strap to prevent the unit from falling. Procedure ❶ Pass one end of the wrist strap through the strap holder on the instrument.
Page 13: Inserting Batteries
Handling the Instrument (Cont.) Inserting Batteries This instrument can be powered by four AA batteries (alkaline batteries or nickel-metal hydride rechargeable batteries). Use batteries as needed for the application. Notes • Do not use manganese batteries. • Remove the batteries if the instrument will not be used for at least 2 weeks. If the batteries are left in the instrument for long periods, the batteries may leak and damage the instrument.
Page 14: Connecting An Ac Adapter
Handling the Instrument (Cont.) Connecting an AC Adapter Notes • When using AC power for the instrument, be sure to use the optional AC adapter (AC-A308) or the USB bus power AC adapter (AC-A305J,K,L,M). • When connecting or disconnecting the plug, be sure to verify that the power has been turned OFF. Memo Be sure to connect the USB bus power AC adapter (AC-A305J,K,L,M) using the USB cable (IF-A25) supplied with the product.
Page 15: Attaching/Removing The Target Mask
• Do not apply excessive force to latch portion on the inside of the target mask. The target mask may become unusable if the latch portion is damaged. • If the target mask is damaged, contact a KONICA MINOLTA-authorized service facility.
Page 16: White Calibration Cap Cr-A86
ﬁ ts over the white calibration area. Notes Do not ﬁ x the white calibration cap to the instrument. CR-20 Removing ❶ Remove the instrument from the white calibration cap, and attach the lid to the cap.
Page 17: How To Strage
Handling the Instrument (Cont.) How to Strage When you put away the instrument in the soft case, please housed as shown in the ﬁ gure. Notes When the white calibration cap is not being used, put on the dedicated lid, please store it in a location protected from external light or dust. White Calibration Protective Cap...
Page 18: Cleaning The Components
If the target mask is dirty, and the dirt cannot be removed ❷ Use a blower to blow off dust or dirt inside the by a blower or the like, contact a KONICA MINOLTA-authorized service integrating sphere. facility.
Page 19: Turning The Power On/Off
Handling the Instrument (Cont.) Turning the Power ON/OFF Turning the Power ON POWER ❶ Press and hold for about 1 Power button second. BEEP BEEP! The display on the LCD screen will appear and the READY lamp will illuminate in blue. Turning the Power OFF ❶...
Page 20: Display Language (When Fi Rst Turning The
(Cont.) Display Language (When ﬁ rst turning the CR-20 ON) When ﬁ rst turning the instrument ON after purchasing, a message that reads, “Please select language.” will be displayed. One of two languages can be selected for the display language: English or Japanese.
Page 21: Battery Warnings
Handling the Instrument (Cont.) Battery Warnings This instrument can be powered by AA batteries (alkaline batteries or nickel-metal hydride rechargeable batteries). When the instrument is operating on battery power, the battery mark will appear on the LCD screen showing one of two levels according to the battery consumption. The battery mark will not be shown if the batteries have sufﬁ...
Page 22: Points To Remember
Points to Remember When using the instrument with the supplied PC application, the instrument’s settings can be conﬁ gured, measurement can be performed, and measurement data can be viewed in a list and saved/cleared. Instrument Operation/Display Display (LCD Screen) The screen shows various settings used for measuring as well as measurement results, The LCD screen on the top of the instrument is used to display measurement results and messages, and other information.
Page 23 ON/OFF (Page 53) and regarding the display LED (READY lamp) display (Page 54). White Calibration Cap CR-20 Pairing Number The instrument and White Calibration Cap bear 5-digit numbers called “pairing number”. Before starting white calibration, conﬁ rm that the instrument and White Calibration Cap have the same pairing number.
Page 24: Instrument Info Display
Instrument Info Display Checking CR-20 Checking Instrument Firmware Version Information The information will be displayed at the top of the <MENU> screen. Ex.: Ver.1.00.0000 Ver.1.00.0000 MENU Back Undo Avg. Reset Browse Data Language Mask Setting Auto Off Date/Time USB Connec.
Page 25: Chapter 2 Measurement
Chapter 2 Chapter 2 Measurement Notes Verify that the USB cable is connected or CAUTION To ensure correct measurement, take that there is sufﬁ cient battery power care to prevent the sample and the remaining before performing sample from slipping away from the measurement.
Page 26: Flow Of Measurement
Flow of Measurement ■ Basic procedure ■ Optional settings Perform items marked with (*) using the PC application. Turning the Power ON (Page 19) Select display language (Page 34) * As necessary, such as when the power is ﬁ rst turned ON (page 20) White Calibration When turning the instrument ON (Page 28)
Page 27: Part 1. Measurement
Part 1. Measurement Memo Some settings can be conﬁ gured on the instrument when turned ON in the settings of the supplied PC application. For more on these settings, read “Instrument Menu Customization” regarding the environment settings for the instrument (Page 55).
Page 28: White Calibration
White Calibration White calibration will be performed, and the This instrument requires white calibration before performing measurement after the power 10:00 is turned ON. measurement screen will be displayed. Memo • Changes in ambient temperature and heat generated from repetitive use may cause subtle deviations in the indicated values.
Page 29: Measurement
Measurement Notes Make sure to perform white calibration before measuring. For details, refer Notes Measurement results that exceed the range of guaranteed performance will to “White Calibration” on page 28. be displayed as in the following diagram. • For accurate measurements, measure under the same conditions Take care when using these measurements.
Page 30: Avg. Meas
Avg. Meas. Using the average measurement function makes it possible to obtain data that is even While the measurement is displayed, 10:00 more accurate. quickly press the AVERAGE button. Indicates that Avg.005 If the sample color is uneven, the accuracy of the measurement can be improved by The average of the measurement results up values are randomly measuring locations within the sample area to calculate the average for the...
Page 31: Switching Measurement Result Displays
Switching Measurement Result Displays It is possible to switch between color spaces and index displays for the measurement results. Select the color space or index (WI, Tint, or YI) to be used. On the measurement screen or the measurements results display screen, press to switch the color space.
Page 32: Part 2. Instrument Settings
Part 2. Instrument Settings...
Page 33: Various Settings/Instrument Settings
Various Settings/Instrument Settings Instrument Menu Customization Mask Setting — Conﬁ gure as necessary — Go back to the measurement screen. 10:00 “Auto Detect” is set under Mask Setting on the instrument when shipped from the factory. MENU/OK MAV display If for some reason automatic detection is not possible, conﬁ gure the settings appropriately for the target mask attached.
Page 34: Various Settings/Other Settings
Various Settings/Other Settings Language — Conﬁ gure as necessary — It is possible to change the display language Go to the <MENU> screen. Ver.1.00.0000 MENU/OK MENU Back Undo Avg. Reset Browse Data Language Select “Language” and conﬁ rm. Mask Setting MENU/OK Auto Off ...
Page 35: Auto Off
Various Settings/Other Settings (Cont.) Instrument Menu Customization Auto Off — Conﬁ gure as necessary — The instrument includes an Auto Off function. When using battery power, this function Go back to the measurement screen. automatically turns the power OFF if the operation keys are not operated within the MENU/OK speciﬁ...
Page 36: Date And Time Setting
Various Settings/Other Settings (Cont.) Date and Time Setting Save to Instrument — Conﬁ gure as necessary — Memo • This setting is only displayed and usable when the “Save to Instrument” Go back to the <MENU> screen. setting for saved data is turned ON using the PC application. MENU/OK •...
Page 37: Measurement Data Operations
Measurement Data Operations Browse Data Save to Instrument It is possible to view the details of data saved to the instrument. Go back to the <MENU> screen. Memo • This setting is only displayed and usable when the “Save to Instrument” setting MENU/OK for saved data is turned ON using the PC application and data is saved.
Page 38: Chapter 3 Pc Application
Chapter 3 Chapter 3 PC Application Notes on Use • This software is application software for use with Windows 10 or Windows 11. Please note that this software does not include any OS. • One of the above OS must be installed on the PC in order to install this software. •...
Page 39: Connecting To A
COLOR READER • Firmly push in the USB cable connector that matches the shape of the CR-20 (Commercially available) port (connection terminal) until it can go in no further. • With Windows 10 or Windows 11, if the instrument can only be operated Connecting to a PC using USB Feed, set “USB selective suspend setting”...
Page 40: When First Connecting To The
Connecting to a PC (Cont.) When First Connecting to the PC ❹ Move the selection frame to “PC” using either 10:00 MENU/OK MENU , and then press Notes • To use a PC application with the instrument connected to a PC, the Back dedicated USB driver must be installed.
Page 41 Connecting to a PC (Cont.) ❷ Updating the drive manually After installing, click “Close”. If the connected instrument is not displayed under [Ports (COM & LPT)] and is ❷-4 Conﬁ rm the COM port number from instead displayed under [Other Devices] as “! Unknown Device”, the USB driver will step ❶, and then navigate to [Device need to be installed manually.
Page 42: Launching The Pc Application
Connecting to a PC (Cont.) Launching the PC Application ❸ Double-click the “CRX_APP.exe" ﬁ le copied to the PC’s hard drive to launch the PC application. Memo The PC application cannot be run when logged in to the PC under a “Guest” account.
Page 43: Points To Remember
Points to Remember PC Application Settings Using the supplied PC application, the items displayed on the instrument’s menus can be customized. Change the settings as required. Settings for the instrument can be conﬁ gured through the “Setting” screen on the PC application. The items that appear on the instrument’s settings menu are as follows.
Page 44: Pc Application Operation Screen
Points to Remember (Cont.) PC Application Operation Screen The supplied PC application is conﬁ gured with three operation panels: “Setting”, “Measure”, and “Data”. The following describes the functions available on each screen. Instrument Info Display Memo The settings conﬁ gured using the PC application are reﬂ ected on the instrument. Displays the instrument’s serial number and ﬁ...
Page 45 Points to Remember (Cont.) [Measure] Tab Measurement can be performed when the instrument settings are met and the PC application is running. Memo The settings conﬁ gured on the PC application will also be applied when measuring remotely from the PC application. When performing remote measurement from the PC application, the “Meas.
Page 46 Points to Remember (Cont.) [Data] Tab Functions related to measurement data saved to the instrument are available in the [Data] tab. This tab allows data saved in the instrument to be imported and displayed as a list before being saved to the PC. Data Saved in Inst.
Page 47: Instrument Info Display
Instrument Info Display Checking CR-20 Information The instrument information and version of an instrument connected to the PC can be checked on the PC application screen. Serial No. Firmware version of the connected instrument...
Page 48: Instrument Settings
Instrument Settings Instrument Menu Customization Mask Setting — Conﬁ gure as necessary — “Auto Detect” is set under Mask Setting on the instrument when shipped from the factory. If for some reason automatic detection is not possible, conﬁ gure the settings appropriately for the target mask attached.
Page 49: Environment Settings (Changing Instrument Settings)
Environment Settings (Changing Instrument Settings) Save Meas. Data Measured data can be saved to the instrument. Go to the “Setting” screen. Click the check box to the left of “Save to Instrument”. Up to 1000 measurement data entries can be saved. In addition, this application can be used to display data saved in the instrument in a list and to save the data to the PC.
Page 50: Language
Environment Settings (Changing Instrument Settings) (Cont.) Language — Conﬁ gure as necessary — It is possible to change the display language Go to the “Setting” screen. Select the desired language under “Language”. Click ○. The radial will change to , and the language will be selected. Clicking this will cause the display language for the PC application and the instrument to change simultaneously.
Page 51: Auto Off
Environment Settings (Changing Instrument Settings) (Cont.) Auto Off — Conﬁ gure as necessary — The instrument includes an Auto Off function. When the instrument is using battery power, this function automatically turns the power OFF if the operation keys are not operated within the speciﬁ...
Page 52: Date/Time
Environment Settings (Changing Instrument Settings) (Cont.) Date/Time — Conﬁ gure as necessary — Memo This setting is only displayed and usable when the “Save to Instrument” setting for saved data is turned ON using the PC application. When the PC application is running, the date and time is obtained from the instrument and displayed on the PC application screen.
Page 53: Settings Only Confi Gurable From The Pc Application
Environment Settings (Changing Instrument Settings) (Cont.) * Settings Only Conﬁ gurable from the PC Application — Conﬁ gure as necessary — The buzzer is set to “ON” when the instrument is shipped from the factory. This buzzer sound can be switched ON/OFF. Change the settings as required. Turning the buzzer ON/OFF The buzzer sound on the instrument can be switched ON/OFF.
Page 54 Environment Settings (Changing Instrument Settings) (Cont.) * Settings Only Conﬁ gurable from the PC Application — Conﬁ gure as necessary — LED (READY Lamp, STATUS Lamp) Display The display settings for the LED lamps on the instrument can be changed. When the LED display is set to ON (either set to “On”...
Page 55 Environment Settings (Changing Instrument Settings) (Cont.) * Settings Only Conﬁ gurable from the PC Application — Conﬁ gure as necessary — Instrument Menu Customization This function enables certain settings to be conﬁ gured on the instrument. Items switched to ON will be conﬁ gurable on the instrument. The items that can be conﬁ...
Page 56: Pc Application (Measurement)
PC Application (Measurement) <Remote Measurement and Trigger Measurement When the PC application for the instrument is running, measurement can be done remotely or by using a trigger. ■ Remote Measurement Click the measuring button on the PC application to measure remotely. ■...
Page 57: White Calibration
White Calibration This instrument requires white calibration before performing measurement after the power is turned ON. After turning the power ON, if the instrument is immediately connected to the PC without performing white calibration, the PC application will enter white calibration measurement mode.
Page 58: Measurement
Measurement Measurement Notes Make sure to perform white calibration before measuring. For details, refer to “White Calibration” on page 28. • For accurate measurements, measure under the same conditions (ambient temperature, etc.). Press the [Measure] tab to open the measurement screen. Set the sample surface aperture on the sample to measure.
Page 59: Avg. Meas
Measurement (Cont.) Avg. Meas. Using the average measurement function when measuring makes it possible to obtain data that is even more accurate. If the sample color is uneven, the accuracy of the measurement can be improved by randomly measuring locations within the sample area to calculate the average for the sample, or by repeatedly measuring the same sample location to calculate the average for that location.
Page 60: Save Meas. Data
Save Meas. Data Save Meas. Data Average measurement results data and data measured using remote measurement or trigger measurement through the PC application can be saved to the PC. Notes For this setting, make sure to copy the PC application to the PC’s hard drive before running the application.
Page 61: Measurement Result Display
Measurement Result Display Importing Measurement Data All data saved in the instrument is referenced and displayed in a list. Memo This operation is only possible when the “Save to Instrument” setting is turned ON in the PC application and there is saved data in the instrument. Notes Data acquisition may take longer when the number of data entries is large.
Page 62: Measurement Data Operations
Measurement Data Operations Save to PC (Obtain Measurement Data Saved in Instrument) Import data saved in the instrument to a speciﬁ ed destination. Notes For this setting, make sure to copy the PC application to the PC’s hard drive before running the application. Click “Save to PC”.
Page 63: Clear Inst. Data
Measurement Data Operations (Cont.) Clear Inst. Data Delete all data saved in the instrument. Performing this operation will clear the list. Memo Data cannot be cleared using the instrument itself. Click “Clear Inst. Data”. Click “Yes”. The data will be cleared. Click “OK”.
Page 64: Copy To Clipboard
Measurement Data Operations (Cont.) Copy to Clipboard Copies all measurement data (data displayed in the measurement results list) within the folder selected in the folder list to the clipboard. Click “Copy to Clipboard”. Memo All measurement data for the measurement date and time selected in the folder list will be copied.
Page 65: Chapter 4 Other Functions
Chapter 4 Chapter 4 Other Functions...
Page 66: Connecting A Printer
The instrument can be connected to the accessory printer so that the data displayed on the instrument’s LCD screen can be printed. For information on connectable printers, contact a KONICA MINOLTA-authorized service facility. Memo • Only text can be output to the printer.
Page 67: Printing Measurement Data
The measurement results will be displayed on the instrument’s LCD screen and at the same time the printer will begin printing. Print Sample When continuous measurement is performed S/N 2001003 CR-20 001 L* 93.0 a* -0.3 b* -4.2 [First measurement] Serial No.
Page 68: Chapter 5 Troubleshooting
Chapter 5 Chapter 5 Troubleshooting...
Page 69: Memory Errors
Memory Errors Performing Recovery The following may occur if the cable connecting the instrument to the PC is disconnected. • It may become impossible to save ﬁ les to the instrument. • Files saved on the instrument may become unreadable. Data recovery can be performed if such memory errors occur.
Page 70 Memory Errors (Cont.) Check whether the USB cable is connected or if there is sufﬁ cient <Memory recovery failed> battery power remaining. Click “OK”. 10:00 Memory Notes If this message is displayed, contact a KONICA Select “Yes” and conﬁ rm. recovery MINOLTA-authorized service facility.
Page 71: Error Messages
The messages below may be displayed when using the instrument. When one of these messages is displayed, please take the action indicated below. After performing the action, if the instrument does not return to normal, contact a KONICA MINOLTA-authorized service facility.
Page 72: Checking For Malfunction
In the event that of a malfunction with the instrument, carry out the following measures. If the instrument does not return to normal, try turning the power OFF. If this does not work, contact the nearest KONICA MINOLTA-authorized service facility.
Page 73: Chapter 6 Appendix
Chapter 6 Chapter 6 Appendix...
Page 74: Dimensions
Dimensions (Unit: mm) ø25 Tripod mount screw Measurement target surface (depth: 6) 50.2 ø11 Center of light-receiving area...
Page 75: Main Specifi Cations
Main Speciﬁ cations Model COLOR READER CR-20 8° : de (8° illumination angle/diffuse viewing: specular component excluded) Illumination/viewing system (conforms to DIN 5033 Teil 7, JIS Z 8722 condition d, ISO 7724/1, CIE No. 15, ASTM E 1164) Detector Silicon photocells (6 pcs.)
Page 76 < CAUTION > KONICA MINOLTA WILL NOT BE LIABLE FOR ANY DAMAGES RESULTING FROM THE MISUSE, MISHANDLING, UNAUTHORIZED MODIFICATION, ETC. OF THIS PRODUCT, OR FOR ANY INDIRECT OR INCIDENTAL DAMAGES (INCLUDING BUT NOT LIMITED TO LOSS OF BUSINESS PROFITS, INTERRUPTION OF BUSINESS, ETC.) DUE TO THE USE OF OR INABILITY TO USE THIS PRODUCT.

Konica Minolta CR-20 Instruction Manual

Chapter 1 Before Using the Instrument

Chapter 2 Measurement

Chapter 3 PC Application

Chapter 4 Other Functions

Chapter 5 Troubleshooting

Chapter 6 Appendix

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