Epson Projector PT EZ590 User Manual

Chapter 6 Maintenance — Maintenance/replacement
ENGLISH - 141
Replacing the unit
Lamp unit
The lamp unit is a consumable component. Refer to “When to replace the lamp unit” (
x page 141) for details 
about the replacement cycle.
When purchasing the optional Replacement Lamp Unit (Model No.: ET -LAEF100), consult your dealer.
It is recommended that you request a qualified technician to replace the lamp unit. Consult your dealer .
WARNING
Replace the lamp unit after the lamp has cooled (after waiting at...

Chapter 6 Maintenance — Maintenance/replacement
142 - ENGLISH
On-screen display
REPLACE LAMP
Lamp indicator 
Over 3 800 hours The message is displayed for 30 seconds. Pressing 
any button on the control panel or the remote control 
within 30 seconds will clear the message.
The indicator lights in red even during the standby 
mode.
Over 4 000 hours The message remains displayed until you press any 
button.
Note
 
f The time which is obtained by the formula for lamp replacement time “4 000 hours” is a...

Chapter 6 Maintenance — Maintenance/replacement
ENGLISH - 143
Note
 
f When you replace the lamp unit with new one, the projector resets the runtime of the lamp unit automatically
.
Air filter unit
When the dust remains after cleaning, it is time to replace the air filter.
The Replacement Filter Unit (Model No.: ET -RFE300) is an optional accessory. To purchase the product, consult 
your dealer.
How to replace the air filter unit
Attention
 
f Make sure that the projector is stable, and perform the...

Chapter 6 Maintenance — Troubleshooting
144 - ENGLISH
Troubleshooting
Review the following points. For details, see the corresponding pages.
Problems
Points to be checked Page
Power does not turn on.  
f Is the power plug firmly inserted into the outlet?
―
 
f Is the  switch set to ?
50
 
f Is the wall outlet supplying electricity?
―
 
f Have the circuit breakers tripped?
―
 
f Is the lamp indicator  or the temperature indicator  lit or blinking?
136
 
f Is the lamp cover attached securely?
142
No image...

Chapter 6 Maintenance — Troubleshooting
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Problems
Points to be checked Page
Video from HDMI 
compatible device does 
not appear or it appears 
jumbled.  
f Is the HDMI cable connected securely?
40
 
f Turn off and on the power of the projector and the external device.
―
 
f Is a signal which is not compatible with the projector being input?
156
Audio from HDMI 
compatible device does 
not appear.  
f Set to the linear PCM audio for the connected devices.
―
The DIGITAL LINK input 
image or...

146 - ENGLISH
Chapter 7 Appendix
This chapter describes specifications for the projector.  

Chapter 7 Appendix — Technical information
ENGLISH - 147
Technical information
PJLink protocol
The network function of this projector supports the PJLink class 1, and the PJLink protocol can be used to perform 
projector setting and projector status query operations from a computer
.
Control commands
The following table lists the PJLink protocol commands that can be used to control the projector .
 
f x characters in tables are non-specific characters.
Command
Control details Parameter/return string...

Chapter 7 Appendix — Technical information
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PJLink security authentication
The password used for PJLink is the same as that of the password set for web control.
When using the projector without security authentication, do not set a password for web control.
 
f For specifications related to PJLink, refer to the website of Japan Business Machine and Information System 
Industries Association.
URL http://pjlink.jbmia.or.jp/english/
Control commands via LAN
The control command format from the...

Chapter 7 Appendix — Technical information
ENGLISH - 149
Attention
 
f The projector cuts off the network connection automatically after transmitting the command (the received data). This function is used to 
implement the security policy for the protection against unauthorized op\
eration of the projector by a malicious third party. If you want to 
transmit the commands continuously, transmit the commands every time after network connection is established upon request.
 
r Error response
String...

Chapter 7 Appendix — Technical information
150 - ENGLISH
Attention
 
f The projector cuts off the network connection automatically after transmitting the command (the received data). This function is used to 
implement the security policy for the protection against unauthorized op\
eration of the projector by a malicious third party. If you want to 
transmit the commands continuously, transmit the commands every time after network connection is established upon request. 
 
r Error response
String...