Service manual

264
SEP 2006
Ver. 1.1
DP-8020E/8020P/8016P
14 Side Adjust (Tray 4) Adjustment of LSU side-side (4th Tray). -8 - +7
0.5mm
15 Not Used
16 Side Adjust (ADU) Adjustment of LSU side-side (ADU). -8 - +7
0.5mm
17 Standard Grid Voltage Charge voltage compensation adjustment. -128 - +19
2.0V
18 Standard Laser Power Laser power compensation adjustment. -19 - +38
0.05mW
19 Std Bias DC Voltage Adjustment of bias standard voltage. -128- +48
2.6V
20 Not Used
21 TDC Gain Voltage Adjustment of toner density sensor gain
voltage.
-70 - +57
0.033V
22 DC Bias ON timing
(Factory use only)
Adjustment of DC Bias ON timing. -10 - +10
0.01Sec.
23 DC Bias OFF timing
(Factory use only)
Adjustment of DC Bias OFF timing. -10 - +10
0.01Sec.
24-25 Not Used
26 TDC Judgment Level Adjustment of toner supply starting judgement
voltage level.
-26 - +26
0.02V
27-29 Not Used
30 Light Halftone Adj. Halftone duty ratio adjustment -127 - +127
31 Fuser Temperature Adjustment of fuser temperature. -15 - +15
0.833°C
32 Fuser Edge Temperature Temperature compensation for edges -15 - +15
0.833°C
33 TDC Max. Read Only Set by F8-20 TDC Check Operation -99 - +99
(Read only)
34 TDC Min. Read Only Set by F8-20 TDC Check Operation -99 - +99
(Read only)
35 TDC Avg. Read Only Set by F8-20 TDC Check Operation -99 - +99
(Read only)
36 Paper Loop (Tray 1) Individual Fine Adjustment for Tray 1 -99 - +99
37 Not Used
38 F8-09 (TDC) Adjustment time
(Factory use only)
Adjustment of TDC Adjustment timing. -1 - +5
60Sec.
39 LSU Unit PWM Adjust Adjustment of PWM value of LSU. -32 - +32
40 Transfer Current Side 1 Adjustment of Transfer Current. -62 - +110
0.15uA
41 Paper Loop (Bypass) Individual Fine Adjustment for Sheet Bypass -99 - +99
42 Paper Loop (Tray 2) Individual Fine Adjustment for Tray 2 -99 - +99
43 Paper Loop (2-Sided) Adjustment for the length of the loop formed
before the copier timing roller.
-99 - +99
44 FAX Laser Duty Adj Printer Density Adjustment for FAX.
(-) : Darker.
(+) : Lighter.
-99 - +99
45 Not Used
F6 Mode
No. Item Remarks
Setting
Range