Epson 7600, 9600 Power supply circuit, unless otherwise specified, always, Burning or explosion

EPSON Stylus Pro 7600/9600 Revision A

6.1 Overview

This section explains necessary maintenance items and their details for this product. Basically for this product, service technicians are required to visit the user’s location where the EPSON Stylus Pro 7600/9600 is used, and perform necessary maintenance/ service on-site while following the precautions below. Service technicians have to be extra careful not to cause any accident to the product or the user’s environment.

WARNING	„ Since the power switch is mounted on the secondary circuit of
	the power supply circuit, unless otherwise specified, always
	turn off the printer using the power switch. After all moving
	parts have stopped, wait several seconds and then disconnect
	the power cable from the AC plug socket to prevent electric
	shock or circuit damage during service operations.
	„ The cover open sensor for detecting the open/close condition of
	the front cover has an interlock switch that functions as a safety
	device. Therefore, it is prohibited to turn off this switch.
	„ A lithium battery is installed on the MAIN Board of this
	printer. Be sure to observe the following instructions
	when servicing the battery:
	„ Keep the battery away from any metal.
	„ Do not install the battery in the wrong direction. (This may cause
	burning or explosion.)
	„ Do not heat the battery or put it near fire.
	„ Do not set the C472 MAIN board directly on top of any object
	which is conductive.
	„ Be careful not to let ink get into your eyes or your skin. If ink
	gets in your eye, rinse them immediately with water.

CAUTION

„When performing service and maintenance operations, sufficient space should be assured surrounding the place where the work is performed.

„The printer should be set in a place where there is no vibration, and where it is level and stable.

„This machine is extremely heavy, so adequate caution should be exercised when handling it. (If you are taking or reinstalling the body and stand, there should be 2 or more persons doing the work.)

„If operations are performed which involve the removal of ink system parts, there is danger of the product or the floor, etc. in the place where it is installed becoming soiled, so sheets, etc. should be spread on the floor, etc. during the work o removing parts related to the ink channels.

„If you are handling electrical circuit boards, to prevent destruction of the elements by static electricity, the elements on the board should not be touched with bare hands. If necessary, take the necessary measures to prevent static discharge, such as wearing a ground strap, when performing such work.

„If you are removing the various covers and operating the printer in that state, adequate caution should be used so as not to be injured by high speed operating parts such as the PS fan.

„The cutter blade is extremely sharp, care should be taken not to be injured by it.

„The an ultra-hardened blade is used for the cutter blade, and materially, this item is extremely brittle, so it should not be bumped against any metal or other parts on the printer when handled.

„If the printer that has already been installed needs to be packed and transported again, first make certain that the print head has been capped properly with the power to the printer turned off. Then remove all the ink cartridges and install all the packing materials as referred to in the Start-Up Guide or Assembly and Setup Guide supplied with the printer.

Maintenance Overview 275