Epson Stylus Pro 9900 - Description of Adjustments

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908 Revision I
ADJUSTMENT Overview 355
Confidential
5.1.3 Description of Adjustments
The following table describes the general outline of the adjustments.
Note : The meanings of abbreviations in the “tool” column are as follows.
SP = Service Program
SM = Serviceman Mode
MECH = Mechanical Adjustment can be performed. (In some cases, a dedicated tool for the adjustment or a commercially available tool such as a tension gauge is necessary.)
Class Adjustment General Overview
Tool
Page
SP SM MECH
Tests
Network Test Checks if the printer is available over a network.
√ ––p.428
Suction Fan Operation Check Checks if Suction Fan is operated correctly.
– √ – p.428
Color LCD Display Check Checks if there is no dot missing occurring on the Color LCD of the control panel.
– √ – p.429
Button Operation Check Checks if buttons on the control panel are operated correctly.
– √ – p.429
NVRAM backup and restore
Backs up parameters stored on the NVRAM on the previous board, and writes them
into the NVRAM on a new board.
√√– p.363
Adjustments
CR Related
Adjustments
CR Timing Belt Tension Adjustment Adjusts the tension of the CR Timing Belt to a specified level.
– √√p.364
CR Encoder Sensor Adjustment This allows you to adjust the position of the CR Encoder Sensor to the CR Scale.
– √ p.368
Head PG Adjustment Adjusts the gap between the Printhead and the platen.
– √√p.369
Cleaning PG Adjustment Adjusts the gap between the Printhead and the wiper.
– √√p.372
Head Related
Adjustments
Head Rank ID Allows inputting the Head Rank ID.
√ ––p.374
Head Cleaning Cleans the Printhead.
– √ – p.376
Nozzle Check Checks the nozzles for clogging.
√√– p.377
Printhead Slant Adjustment (CR)
Prints an adjustment pattern to check if the Printhead is slanted in the CR direction and
corrects the head angle.
– √√p.378
Printhead Slant Adjustment (PF)
Prints an adjustment pattern to check if the Printhead is slanted in the PF direction and
corrects the head angle.
– √√p.381
Auto Uni-D Adjustment Performs an automatic Uni-D adjustment using the Ink Mark Sensor.
– √ – p.383
Auto Bi-D Adjustment Performs an automatic Bi-D adjustment using the Ink Mark Sensor.
– √ – p.384
Colorimetric Calibration (Color ID) Adjusts the amount of ink droplets.
√√√p.385
Print Image Prints a sample image. Print quality can be checked.
√√– p.360
Absorber Position Check Checks the printing position for the borderless printing.
– √ – p.398
Ink Mark Sensor Height Adjustment
Adjusts the position of the Ink Mark Sensor to keep the proper distance from the
platen.
– √√p.399
Ink Mark Sensor Adjustment Adjusts the sensitivity and the detecting position of the Ink Mark Sensor.
– √ – p.400