Epson Stylus Pro 9900 Service Manual

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908 Revision I
TROUBLE SHOOTING Remedies for Print Quality Troubles 152
Confidential
3.7.2 Remedies for Print Quality Troubles when Using Epson Stylus Pro WT7900/WT7910
This section provides troubleshooting of print quality troubles classified according to observed symptoms when using Epson Stylus Pro WT7900/WT7910.
3.7.2.1 Usage Environment for ClearProof Film
The usage environment for the Clear Proof Film (CPF) is specified to maintain print
quality. If print quality trouble occurs, check the transportation, storage and usage
environment first, and then move to the troubleshooting procedure.
 Transportation and storage environment
Due to the characteristics of the ClearProof Film, the quality problem such as
deterioration of repelling and blocking track occur when the environment exceeds
the following temperature and humidity or the time the printer is left unused.
Condition: 55 °C , 30%RH (Time limit: 55 °C x 12 hours)/
-20 to 40
°C , 5 to 95%RH (Time limit: 40 °C x one month)
 Usage Environment
Due to the characteristics of the ClearProof Film, the guaranteed usage
environment is limited compare with other media such as PGPP. If printed in a
temperature below 20
°C, the absorbability of the ClearProof Film becomes lower,
and ink sedimentation or oozing may occur easily.
 Temperature: 20 to 25
°C
 Humidity: 40 to 60%RH
Figure 3-1. CPF Guaranteed usage environment
C A U T I O N
 When storing printed paper, make sure to follow the usage
environment to maintain the print quality.
 Always keep the paper away from heat, moisture and direct
sunlight to prevent discoloration or uneven color.
䇭
Temperature (°C)
Humidity (%)
60
40
15 20 25
PGPP
Guaranteed
usage
environment
CPF
Guaranteed
usage
environment

Epson Stylus Pro 9900 Specifications

General

Color	Yes
Maximum resolution	2880 x 1440 DPI
Media thickness	0.08 - 1.50 mm
Maximum print size	A0 (841 x 1189 mm)
Maximum roll width	1118 mm
Display	LCD
Internal memory	64 MB
Country of origin	China
Drive device, buffer size	256 MB
Sound pressure level (printing)	50 dB
USB connector	USB Type-A
USB 2.0 ports quantity	1
Ethernet interface type	Fast Ethernet
Compatible operating systems	Microsoft Windows 2000, XP, XP 64-bit, Vista, MAC OSX 10.x.x
Power requirements	AC 100-240V 50/60Hz
Power consumption (active)	80 W
Power consumption (standby)	1 W
Storage temperature (T-T)	-20 - 40 °C
Operating temperature (T-T)	5 - 35 °C
Storage relative humidity (H-H)	5 - 85 %
Operating relative humidity (H-H)	20 - 80 %
Package depth	2040 mm
Package width	815 mm
Package height	1080 mm
Package weight	193053 g
Quantity per pack	1 pc(s)

Weight and Dimensions

Dimensions (WxDxH)	1702 x 678 x 1196 mm