Lsu Replacement And Color Skew Adjustment Instructions - Panasonic DP-C405 Service Handbook

2.17. LSU Replacement and Color Skew Adjustment Instructions

1. Model & Part Number
Model
DP-C405/C305/C265
DP-C264/C263/C213/C262
DP-C354/C323/C322
2. Contents
• LSU : 1
• Tool (Jig) ; "PJZXF2170PU" : 1
• Instruction (This Document) : 1
3. Removing the LSU
a. Remove the LSU by referring to the
Important:
Make a note of the alignment pointer position.
If the LSU is not reinstalled at the same position, the scanning quality will be affected.
4. Installing new LSU
a. Install the new LSU at the same position according to the original alignment pointer position (step 3.
above).
b. Perform F8 Service Mode; "F8-30 Color Registration". (Approximately 30 sec)
c. Press the "Reset" key on the Control Panel to exit the F8 Service Mode.
d. Make a note of the F6 Service Mode Parameter Values (F6-855 / 856 / 857 : Color Skew
Registration Adjustment).
e. If all the Parameter Values are less than ±10, the LSU replacement is completed.
If any of the Parameter Values is more than ±11, adjust the Skew value according to step 5 below.
For the majority of applications, the above steps are sufficient to obtain the results most users are
looking for.
However, under particular circumstances fine-tuning the Color Skew Adjustment further may be
required.
If fine-tuning is required:
f. Print the Color Skew Test Chart "F1-19 Pattern 17 Only A3/11x17", and confirm the alignment of
each individual color (C, Y, and M) to the fixed Black reference lines. Adjust each color to obtain the
desired alignment results by following the steps below.
Ver. 1.1
LSU Part Number
PJWBF3310PU
PJWBF2171PU
PJWBF2170PU
Service Manual
F6-855
F6-856
F6-857
100
LSU Number
LPA3623F
LPA3622F
LPA3621F
section 2.2.12.
Yellow
Magenta
Cyan
DP-C405/C305/C265
FEB 2008