Service manual
Table Of Contents
- Specifications
- Scanner Type
- Usable Film Type
- Scanning Dimension
- Optical Resolution
- Scanning method
- Image Sensor
- Scan Time (excluding the data transfer time to PC)
- AD Conversion
- Output
- Dynamic Range
- Light Source
- Focus
- Others
- Interface
- Power Requirements
- Power Consumption
- Size
- Weight
- Standard Accessory
- Operating Environment
- Storage Environment
- System Requirements
- Parts List
- Repair Guide
- Checklist
- 2890plu.pdf
- 2890rg_eu.pdf
- 2890cl_eu.pdf

(2890) A 11
CHECK LIST
Standard
Scanner gauge chart
Magnification
+/-
Vertical ± 1.5%
Horizontal ± 1.5%
Aspect ratio ± 1.0%
Skew
+/-
Vertical ± 0.5%
Horizontal ± 0.5%
Aspect ratio ± 0.5%
Color Registration
+/-
Vertical ± 1.5 pixel
Horizontal ± 1.5 pixel
Pitch Accuracy
+/-
Vertical ± 1.0 %
Horizontal ± 1.0 %
Frequency Characteristic
Range
Vertical 50 % (40 lines/mm) or greater
Center
Horizontal 50 % (40 lines/mm) or greater
Vertical 40 % (40 lines/mm) or greater
Around
Horizontal 40 % (40 lines/mm) or greater
Color chart
Output Density
Chart Range
White 94 ± 5
Black 14 ± 8
Grayscales
Chart Range
Step 1 White 100
Step 2 Gray2 94± 6
Step 3 Gray3 89 ± 5
Step 4 Gray4 77 ± 5
Step 5 Gray5 61 ± 5
Step 6 Black 17 ± 5
Confirm that L* value is less than 100, and all the values are in descending
order toward Black as shown above.