Epson Stylus Pro 4900/Epson Stylus Pro 4910 Revision A
ADJUSTMENT CR Related Check & Adjustments 326
Confidential
4.10.4 APG Check
EXECUTION MODE
Normal Mode
PROCEDURE
1. Turn the printer ON.
2. Start the Service Program and select APG Check.
3. PG-- appears on the screen of the service program.
4. Check if the mark on top of the cam APG is [--].
[--] is on the top: Go to Step 6
[--] is not on the top: Go to Step 5
5. Since the APG is not switched correctly, execute the following remedy responding
to the symptom.
After taking the above measure, return to Step 2 to check again.
<Reference>
6. Click [OK].
7. Turn the printer OFF to complete the adjustment.
Figure 4-31. Check position of the cam APG
Symptom Remedy
The CR Unit does not move to the APG
switch position (home position).
Since the CR Unit may not move smoothly,
lubricate to Oil pad Holder. (P. 181)
The CR Unit moves to the APG switch
position but the APG mechanism does not
operate.
Since the APG Motor Assy may not operate,
check the wiring of the APG Motor Assy. If there
is no trouble for the wiring, replace the APG
Motor Assy. (P. 179)
The APG mechanism operates but the APG
is not switched correctly.
Since the APG mechanism on the CR Unit may
not have been installed correctly, replace the CR
Unit. (P. 175)
Origin of
APG
Value of PG
-- 0.8
-1.2
Typ 1.6
+2.1
++ 2.6
–
Mark on top
–
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