Panasonic Workio DP-C401 Service Handbook - page 228
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Chapter 3 Troubleshooting
3. 4. 4. 21 DC922 TRC Control (Color Image Control)
Function Calculates the added/extracted amount of the toner by using the difference between the
read value of the ATC sensor and the reference value to set the appropriate density.
Procedure
1. Select the "Color Image Ctrl" on the Service Mode screen.
2. Select [
DC922
] on the Color Image Ctrl screen.
3. The TRC Control screen is displayed.
4. Select [Execute].
5. Select [Close] to return to the Color Image Quality Ctrl screen.
Procedure
1. Select the "Color Image Ctrl" tab on the Service Mode screen.
2. Select [
DC922
] on the Color Image Ctrl screen.
3. Click [Execute].
Data is displayed in the Setup Info. area.
4. Select the [Toner Density Adjustment] button in the TRC Control screen.
5. Select a color required for UP/DOWN and click it.
6. Perform the process for the other colors in the same way.
7. Select [Close] twice to return to the Color Image Ctrl screen.
• Check that A4 paper (LEF) is loaded in Tray 1 since the Toner Density Adjustment
(TONE UP/DOWN) uses paper.
• At the Toner Density Adjustment (TONE UP/DOWN), the Execute button is
disabled (displayed dimmed) when the required No. of paper for adjustment of the
YMCK radio selection colors is "0".
• Paper is not fed at the TRC Control.
• Execution time is not displayed because the TRC Control does not take a long time.
For detailed procedure, refer to Chapter 2 ADJ1.1.3.