Epson Stylus Pro 9900 - AID Related Adjustment; Chapter 5 ADJUSTMENT; AID Function Check

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908 Revision I
ADJUSTMENT AID Related Adjustment 416
Confidential
5.6 AID Related Adjustment
5.6.1 AID Function check
Use this to check that the AID function operates properly.
PAPER USED
 Size:
 Epson Stylus Pro 9700/9710/9900/9910/9890/9908: 44 inches
 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 ] + [Paper Feed ] + [OK]
simultaneously.
2. Press [Pause] to release the paper presser.
3. Select SELF TESTING
→ Mecha Adjustment → AID Check.
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.
C H E C K
P O I N T
Before this check, make sure to enter the Head Rank ID (P. 374),
and print the nozzle check pattern (P. 377) to confirm that ink is
ejected normally.
Fig. Display Cause Remedy
AOK
No error or abnormality.
NG
Dot missing occurs.
 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.
AID Board failure Replace the AID Board with a new one.
Abnormal connection
 Check the connection from/to the Ink
System Unit.
 Replace the Ink System Unit.
BOK
No error or abnormality.
NG
Dot missing occurs.
 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.
AID Board failure Replace the AID Board with a new one.
Ink System Unit is not installed
correctly.
Re-install the Ink System Unit.
Noise from the Suction Fan 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.
COK
No error or abnormality.
NG
Result of E or F is NG. See description of E or F.
DOK
No error or abnormality.
NG
The voltage is leaking from the
nozzle plate.
Check if the nozzle plate is contacting the
Flushing Box due to some abnormality of
the box. If so, replace the Ink System Unit.
AID Board failure Replace the AID Board with a new one.