Minolta CR-400 - User Manual

Questions and Answers

S
Sabrina DeckerAug 14, 2025
How to fix a blank LCD on Minolta CR-400 measuring head?
- D
  Daniel HamiltonAug 14, 2025
  If the LCD is blank on the measuring head of your Minolta Measuring Instruments, ensure that the power switch is turned ON, or if the data processor is connected, verify that its power switch is also ON. If using the measuring head alone, insert batteries or connect the AC adapter. If already using batteries, try replacing them with new ones or connect the AC adapter. You might also need to adjust the LCD contrast or return it to its original position.
E
elizabethrobertsAug 18, 2025
What to do if Minolta Measuring Instruments does not print?
- M
  mooretimothyAug 18, 2025
  If your Minolta Measuring Instruments aren't printing, make sure you are using the optional thermal paper and that the paper is inserted correctly. Also, check if the printer setting is turned ON.
N
nmcgeeAug 20, 2025
Why is the LCD blank on my Minolta CR-400 Measuring Instruments data processor and how to fix it?
- C
  Courtney PrestonAug 21, 2025
  If the LCD is blank on the data processor of your Minolta Measuring Instruments, ensure that the power switches on both the measuring head and the data processor are turned ON. Try replacing the batteries with new ones or connecting the AC adapter. You may also need to adjust the LCD contrast.
T
Todd WhiteAug 25, 2025
How to enable data output to PC from Minolta CR-400 Measuring Instruments?
- J
  Jennifer ChaseAug 25, 2025
  To resolve issues with data output to PC, or if commands from the PC aren't being accepted by your Minolta Measuring Instruments, ensure that the instrument is properly connected using the RS-232C cable (standard accessory) between the instrument's RS-232C terminal and the PC's RS-232C connector. Also, verify that the PC's communication settings are correctly configured for the instrument. Finally, switch to the PC mode screen (or the remote mode screen for the data processor).
C
Courtney WolfeAug 27, 2025
What to do if Minolta CR-400 measuring head and data processor cannot communicate?
- J
  jimenezjamesAug 27, 2025
  If the measuring head and data processor of your Minolta Measuring Instruments cannot communicate, ensure that the power switches on both the measuring head and the data processor are turned ON. Use the RS-232C cable (standard accessory). Turn the power OFF before connecting.
D
Dakota RyanAug 31, 2025
Why does my Minolta CR-400 Measuring Instruments print slowly and faintly?
- B
  Brooke DavisAug 31, 2025
  If the print from your Minolta Measuring Instruments is slow or faint, replace the batteries with new ones or connect the AC adapter. Consider using lithium or nickel metal hydride batteries.
K
Kristen WallaceSep 3, 2025
What to do if the ready lamp on Minolta Measuring Instruments measuring head does not come on?
- W
  walvaradoSep 3, 2025
  If the ready lamp on the measuring head of your Minolta Measuring Instruments does not come ON, replace the batteries with new ones. Alternatively, try touching one of the keys.
D
Dan FigueroaSep 6, 2025
What to do if the measurement button has no effect on Minolta CR-400?
- M
  Michelle SparksSep 6, 2025
  If the measurement button on your Minolta Measuring Instruments has no effect, try again after the process is finished. Ensure you are in the measurement screen. If needed, press the Escape key twice to return to the measurement screen.
A
Ashley KennedySep 10, 2025
Why are there variations in the measurement data of Minolta CR-400?
- H
  Hannah WhiteSep 10, 2025
  To minimize variations in the measurement data from your Minolta Measuring Instruments, ensure that the instrument is placed vertically to prevent light leakage. Avoid moving the instrument during measurement. Use only the same calibration channel.

Summary

Safety Precautions

WARNING

Details critical safety warnings regarding potential death or serious injury.

CAUTION

Outlines safety warnings for potential injury or instrument damage.

Notes on Use

Operating Environment

Specifies recommended ambient conditions and environmental factors for instrument use.

The Instrument

Provides guidelines on handling the instrument to prevent damage or malfunction.

Measurement

Offers advice on performing measurements and ensuring accuracy under varying conditions.

White Calibration Plate

Instructions for using and maintaining the white calibration plate for accurate readings.

Chapter 1 - Measuring Head 1 -

Function guide

Explains the functions available with the measuring head when used independently.

Preparation

Covers initial setup steps, including battery insertion and AC adapter connection.

Measurement

Basic Operating Procedure Flow

Outlines the fundamental steps for performing measurements with the instrument.

White Calibration

Details the procedure for performing white calibration to ensure measurement accuracy.

Absolute Measurement

Explains how to measure and display reflected object color values in various color spaces.

Color Difference Measurement

Covers the process of measuring color differences against a target color.

Chapter 2 - Measuring Head 2 -

Additional Functions

Describes advanced functions usable with the data processor and optional software.

Chapter 3 - Data Processor -

Function guide

Lists functions available for the data processor, both standalone and connected.

Preparation

Covers initial setup procedures for the data processor, including power and connectivity.

Specifications

Measuring Head

Provides technical specifications for the Chroma Meter Measuring Head models.

Data Processor

Lists technical specifications for the DP-400 Data Processor.

Dimensions

Measuring Head

Presents physical dimensions of the CR-400 Measuring Head in millimeters.

CR-410 Head

Shows physical dimensions of the CR-410 Measuring Head in millimeters.

Data Processor

Displays physical dimensions of the DP-400 Data Processor in millimeters.

Minolta CR-400 Specifications

General

Light Source	Pulsed Xenon Lamp
Measurement Area	Ø 8 mm
Interface	RS-232C
Dimensions	102 x 217 x 63 mm
Measurement Modes	Single measurement, Average measurement
Detector	Silicon photodiode
Power Supply	4xAA batteries or AC adapter
Weight	550 g (without batteries)
Type	Portable Chroma Meter
Display	LCD
Repeatability	Within ΔE*ab 0.07
Colorimetric Data	Lab*
Display Features	Color difference, Pass/Fail
Measuring Geometry	d/0 (Diffuse illumination, 0-degree viewing angle)