Canon MF820Cdn
Troubleshooting. Test Print
Overview
This product provides the following 8 test chart types to determine causes of faulty images.
The data for test charts are created in the main controller. If no problem is found on the output test charts, the cause may lie in the PDL input or the reader.
TYPE NO. | Test chart type | Purpose | |
---|---|---|---|
0 | Pascal correction chart 1 | For checking density characteristic (Error diffusion) | |
1 | Pascal correction chart 2 | For checking density characteristic (Screen) | |
2 | Color chart | For checking color reproduction characteristic | |
3 | Color displacement correction chart | For checking color displacement correction | |
4 | Rainbow chart (vertical scanning direction) | For checking color displacement (Vertical scanning) | |
5 | Rainbow chart (horizontal scanning direction) | For checking color displacement (Horizontal scanning) | |
6 | Grid Bk | For checking geometric characteristicsand thin lines | |
12 | Full half-tone | For checking transfer failure, black line (color line), white line, uneven pitch and Uneven density |
Steps to select the test print PG-TYPE
- Set the number of print, paper size etc.
- Select: TESTMODE > PRINT > PG-TYPE.
- Enter the desired PG-TYPE number and press start key.
- Select the corresponding color (setting 1 means output) in SW-Y/M/C/K.
- Set the density in DENS-Y/M/C/K (this is enabled for TYPE=12 only).
- Select: TESTMODE > PRINT > START and Press start key.