Panasonic Workio DP-1520P, Service Manual

Page: 322 / 496

322
SEP 2004
Ver. 1.2
DP-1520P/1820P/1820E
7.3.6. Serial Number Setting for the Maintenance Report
1. Press “ FUNCTION ”, “ ORIGINAL SIZE ”, and “ 3 ” keys sequentially to enter the Service Mode.
2. Press the " 9 " key to enter the F9 Mode (Unit Maintenance).
3. Press the " START " key.
4. Press the " 5 " and the " SET " keys.
5. Input the Machine’s Serial Number and press the " SET " key.
6. Press the " STOP " key twice.
7. Press “ FUNCTION ” and “ CLEAR ” keys simultaneously to exit the Service Mode.
7.3.7. Exposure (Standard Adjustment)
Caution:
Before making any adjustments, confirm that the following contents (F6-17, 18 and 19) are set to " 0 ".
DO NOT adjust these settings in the field.
F6-17 : Grid Voltage compensation
F6-18 : Standard Laser Power compensation
F6-19 : Std Bias DC Voltage compensation
Note:
If an exposure adjustment is required during a routine service call, ensure the developer unit is
properly toned before making any adjustments.
1. Press “ FUNCTION ”, “ ORIGINAL SIZE ”, and “ 3 ” keys sequentially to enter the Service Mode.
2. Press the " 2 " and the " START " keys to enter the F2 Mode (Single Copy Test).
3. Set the exposure to the center position.
4. Set the machine to TEXT / PHOTO Mode.
5. Make a copy of Test Chart 53/54 with gray scale (P/N: FQ-SJ1011) and compare the density to the
chart shown below. If it is within specification, skip to step (14).
a. Gray scale “A” should not be visible.
b. Gray scale “2” should be clearly visible.
6. Press the " STOP " key to exit the F2 Mode (Single Copy Test).
7. Press the “ 6 ” and the " START " keys to enter the F6 Mode (Adjust Parameters).
8. Enter F6-50 Mode (T/P Mode Image Density).
9. Press the "
SET " key to highlight the current value.
10. Enter a new value (up to 3-digits).
Note:
The “RESET” key is used to change to a Negative or Positive (+/-) value.
(+) : Lighter
(-) : Darker
11. Press the “ SET ” and “ STOP ” keys.
12. Enter F2 Mode (Single Copy Test).
13. Make a copy to confirm the adjustment.
Note:
Repeat Steps (3) to (10) until desired density is attained.
F6-49 : T Mode Image Density (Text)
F6-51 : P Mode Image Density (Photo)
14. Press “ FUNCTION ” and “ CLEAR ” keys simultaneously to exit the Service Mode.
A
1
2
3
(Not visible or hardly visible)
Not visible
Clearly visible
.
.
.
.
.
.
.
.
. .
.
.
.
.
.
.
.
.
.
.