Aid Related Adjustment; Chapter 5 Adjustment; Aid Function Check - Epson Stylus Pro 7700 Service Manual

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908

5.6 AID Related Adjustment

5.6.1 AID Function check

Use this to check that the AID function operates properly.
Before this check, make sure to enter the Head Rank ID
C H E C K
P O I N T
and print the nozzle check pattern
ejected normally.
PAPER USED
Size:
Epson Stylus Pro 9700/9710/9900/9910/9890/9908:
Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/7890/7908:24 inches
Type:
Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/
9910/9890/9908/7890/7908:
Doubleweight Matte Paper
Epson Stylus Pro 7700/7710/9700/9710:
Premium Glossy Photo Paper (250)
PROCEDURE
1. Turn the printer ON in the Serviceman Mode.
Turn the power ON while pressing [Menu
simultaneously.
2. Press [Pause] to release the paper presser.
→
3. Select SELF TESTING Mecha Adjustment
4. Press [OK] while [Enter] is displayed.
The result will be displayed on the screen after a while.
5. Compare the result in the LCD with the items in the table below, and if
abnormality is found on the result, carry out the corresponding remedy.
ADJUSTMENT
(P. 374),
(P. 377) to confirm that ink is
44 inches
] + [Paper Feed ] + [OK]
→
AID Check.
AID Related Adjustment
Fig. Display Cause
A OK
No error or abnormality.
NG
Dot missing occurs.
AID Board failure
Abnormal connection
B OK
No error or abnormality.
NG
Dot missing occurs.
AID Board failure
Ink System Unit is not installed
correctly.
Noise from the Suction Fan
C OK
No error or abnormality.
NG
Result of E or F is NG.
D OK
No error or abnormality.
NG
The voltage is leaking from the
nozzle plate.
AID Board failure
Revision I
Remedy
Carry out a head cleaning. If the result is
still NG after cleaning, replace the Ink
System Unit with a new one.
Carry out a nozzle check. If dot missing
occurs to a particular nozzle, replace the
Printhead.
Replace the AID Board with a new one.
Check the connection from/to the Ink
System Unit.
Replace the Ink System Unit.
Carry out a head cleaning. If the result is
still NG after cleaning, replace the Ink
System Unit with a new one.
Carry out a nozzle check. If dot missing
occurs to a particular nozzle, replace the
Printhead.
Replace the AID Board with a new one.
Re-install the Ink System Unit.
Disconnect the connector attached to the
Suction Fan, and carry out the check again.
If the value in G box is below 30, replace
the Suction Fan with a new one.
See description of E or F.
Check if the nozzle plate is contacting the
Flushing Box due to some abnormality of
the box. If so, replace the Ink System Unit.
Replace the AID Board with a new one.
416
Confidential