Epson Stylus Pro 4400 - Paper Thickness Sensor Adjustment

EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C
Adjustment Mechanical Adjustment 380
5.2.3 Paper Thickness Sensor Adjustment
When the paper thickness sensor has been replaced, it must be made to
recognize the thickness set as the detection standard. Check installation
position condition with the self testing menu and perform adjustment if the
result is NG.
 Tools
 Paper Thickness Position Tool (Gauge: 0.3/0.4/0.8/0.9)
 Check Procedure
1. Enter Maintenance Mode 2.
Power off → Press "Paper Source (<)" + "Paper Feed (Δ)" + "Paper
Feed (∇)" → Power on
2. Select "SELF TESTING" and enter the self testing menu.
"Menu (>)"
3. Select "SELF TESTING: Test".
"Menu (>)"
4. “Select "Test: Sensor".
"Paper Feed (∇)" x 2 → "Menu (>)"
5. Confirm that "Sen: Paper 00" is displayed in the panel (with [Paper
Lever] in the lowered condition).
Perform adjustment if the displayed value is other than "00".
→ To Adjustment Procedure
6. Raise "Paper Lever", set 0.3 adjustment jig from the rear paper feed
slot as shown in Figure 5-8, and then lower [Paper Lever].
Confirm that "Sen: Paper 00" is displayed in the panel.
Perform adjustment if the displayed value is other than "00".
→ To Adjustment Procedure
7. Raise "Paper Lever", set 0.4 adjustment tool as shown in Figure 5-8,
and then lower "Paper Lever".
Confirm that "Sen: Paper 01" is displayed in the panel.
Perform adjustment if the displayed value is other than "01".
→ To Adjustment Procedure
8. Raise "Paper Lever", set 0.8 adjustment tool as shown in Figure 5-8,
and then lower "Paper Lever".
Confirm that "Sen: Paper 01" is displayed in the panel.
Perform adjustment if the displayed value is other than "01".
→ To Adjustment Procedure
9. Raise "Paper Lever", set 0.9 adjustment tool as shown in Figure 5-8,
and then lower "Paper Lever".
Confirm that "Sen: Paper 11" is displayed in the panel.
Perform adjustment if the displayed value is other than "11".
→ To Adjustment Procedure
10. Raise "Paper Lever" and remove 0.9 adjustment tool, and then confirm
that "Sen: Paper 10" is displayed in the panel while the "Paper Lever"
is in the raised condition.
Perform adjustment if the displayed value is other than "10".
→ To Adjustment Procedure
11. After confirming/adjusting, check again with all adjustment tool. This
time confirm after repeating up/down movement of "Paper Lever" 3
times.
FIGURE 5-8. PAPER THICKNESS SENSOR ADJUSTMENT
C A U T I O N
Be sure to start check from the condition in which [Paper
Lever] is lowered.
Gauge