Toshiba e-STUDIO6520c - Page 560

e-STUDIO5520C/6520C/6530C © 2008-2011 TOSHIBA TEC CORPORATION All rights reserved
REPLACEMENT OF PC BOARDS/HDD
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[B] Adjust image quality
(1) Take off the front lower cover.
 Service Manual “3.5.1 Front lower cover”
(2) Correctly write down the adjustment values of the following (05) codes attached on the laser
optical unit cooling duct.
(3) Start up with the Adjustment mode (05).
(4) Enter the all adjustment values written down in step (1).
(5) Reset the auto toner sensor.
1. Turn the power OFF.
2. Take off the developer units of 4 colors (Y, M, C and K).
 Service Manual “11.5.24 Developer unit”
3. Discharge developer material in each developer unit and make sure that the developer unit is
completely empty. Or prepare empty developer units of 4 colors (Y, M, C and K).
 Service Manual “11.5.25 Developer material”
4. Install the empty developer units of 4 colors (Y, M, C and K) to the equipment
 Service Manual “11.5.24 Developer unit”
5. Install the developer cartridges of 4 colors (Y, M, C and K) to the equipment.
6. Install the front cover.
 Service Manual “3.5.2 Front cover”
7. Perform automatic adjustment of auto-toner sensor.
Start up with the Adjustment mode (05), enter [200] and press the [START] button.
8. Turn the power OFF.
9. Take off the front cover.
 Service Manual “3.5.2 Front cover”
10. Take out all the developer cartridges and then install the sub-hoppers of 4 colors
(Y, M, C and K).
 Service Manual “11.5.11 Sub-hopper”
11. Install the front cover.
 Service Manual “3.5.2 Front cover”
Note:
You can reset the auto-toner sensor by directly entering the adjustment values for (05) 205-0 to 3
with the Adjustment mode data list, which has been printed during normal operation of
equipment such as when it is setup, when preventive maintenance (PM) is performed or when
developer material is replaced, etc.
(6) Adjust the image quality control (05-396).
(7) Perform “Tilt motor initial excitation setting” (05-4721).
(8) Perform the enforced position adjustment (05-4719).
L (0) H (1)
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05/2624
05/2625
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