Maintenance Overview - Epson Stylus Pro 4400 Service Manual

EPSON Stylus Pro 4400/4450/4800/4880/4880C
6.1 Overview
This chapter describes maintenance operations that are required during
servicing.
Most servicing/maintenance of this printer will need to be done by visiting the
site where the printer will actually be used by the customer (on-site service).
Carefully observe the following cautions and perform the servicing/
maintenance in such a way that no damage is done to the product or
customer's work environment.
The power switch is installed on the secondary side of
W A R N I N G
the power circuit, so power is always supplied unless the
power code has been unplugged. Unless there are
specific instructions otherwise, be sure to unplug the
power code from the AC outlet to prevent electric shock
and circuit damage during servicing.
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 into fire.
• Do not set the C593 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
and see a doctor if any trouble.
Maintenance
Ensure adequate work space for performing service/
C A U T I O N
maintenance.
The printer should be set in a place where there is no
vibration, and where it is level and stable.
The weight of this printer is approximately 40.2kg. When
moving or lifting the printer, be sure that at least two
people are lifting by supporting the locations shown in
the figure below.
Place a protective sheet on the floor before removing ink
routing parts because there is the possibility that leaking
ink could get onto the product or floor where the product
is set up.
To prevent static electric damage when handling a
circuit board, do not touch elements on board with bare
hands. If handling with bare hands is unavoidable,
perform work by using required measures, such as
wearing a grounding strap.
When allowing the printer to operate with covers
removed, be careful not to get injured with high-speed
operating parts such as fans.
Use care to avoid injury when handling the cutter blade
because it is very sharp.
Overview
Revision C
449