User's Manual
Table Of Contents
- 6. Troubleshooting
- 7. Maintenance and Specifications
- General Requirements
- Moving the Printer
- Cleaning the Printer
- Adjusting the Color Registration
- Correcting the Color Gradation
- Adjusting Printing Position
- Replenishing and Replacing Consumables
- Consumables
- Specifications
- Information for This Printer
- User Information on Electrical & Electronic Equipment
- EMC Directive
- Note for the Battery and/or Accumulator Symbol (For EU countries only)
- Environmental Advice for Users
- Notes for users in the state of California
- ENERGY STAR Program
- Environmental protection expiration date for use
- Fixed form sentences 11 _ china environmental labeling notice _ LP_Title Sentence 1
- Appendix
Correcting the Color Gradation
Color gradation during color printing changes depending on a number of factors. If you print the same
file repeatedly or toner was recently replaced, changes may occur in color tones. In such cases, you can
obtain optimal print results by correcting the color gradation.
Two methods are available for color gradation correction: automatic correction and manual correction
by printing a gradation correction sheet. Perform a manual correction if you are not satisfied with the
quality of output after an automatic correction.
• Color gradation correction is not required under normal circumstances.
• If a printer is not used for some time, changes may occur in color tones.
• If suitable results cannot be obtained after a single correction, repeat the correction several times
as needed.
• Corrections to color gradation will be applied to all user jobs.
• To check gradation corrections, use the same type of paper. If a different type of paper is used,
corrections may not be reflected.
Density graduation from midtones to highlights can be corrected automatically by executing the
automatic gradation correction function.
Corrections will be applied to each resolution setting. If color tones change when different resolutions
are selected in the printer driver, perform the gradation correction for the resolution you want to use.
Resolution setting in the printer driver
Value specified for automatic gradation
correction
600 × 600 dpi 600 × 600 dpi (1 bit)
2400 × 600 dpi equivalent 600 × 600 dpi (2 bit)
1200 × 1200 dpi
*
1200 × 1200 dpi (1 bit)
*
*
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Flow of Manual Gradation Correction
Manual Gradation Correction is performed in the following order:
1. Print gradation correction sheet 1.
2. Adjust the parts of highlight colors.
Set the correction value.
Correcting the Color Gradation
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Draft 2016/01/18