Epson L120 Service Manual page 3

All safety procedures described here shall be strictly adhered to by all parties servicing and maintaining this All safety procedures described here shall be strictly adhered to by all parties servicing and maintaining this
product. product.
Strictly observe the following cautions. Failure to comply could result in serious bodily injury or loss of life. Strictly observe the following cautions. Failure to comply could result in serious bodily injury or loss of life.
1. 1. Always di Always disconn
performing maintenance. performing maintenance.
2. 2. When per When performi forming works de
Connecting to a power source causes high voltage in the power supply unit and some electronic components Connecting to a power source causes high voltage in the
even if the product power switch is off. If you need to perform the work with the even if the product power switch is off. If you need to perform the work with the power cable connected to a
power source, use extreme caution to avoid electrical shock. power source, use extreme caution
Strictly observe the following cautions. Failure to comply may lead to personal injury or loss of life. Strictly observe the following cautions. Failure to comply may lead to personal injury or loss of life.
1. 1. Always wea Always wear protec
any ink gets in your eyes, wash your eyes with clean water and consult a doctor immediately. any ink gets in your eyes, wash your eyes with clean water and consult a doctor immediately.
2. 2. When usin When using compre
of such products containing flammable gas is prohibited. of such products containing flammable gas is
Strictly observe the following cautions. Failure to comply may lead to personal injury or damage Strictly observe the following cautions. Failure to
1. 1. Repai Repairs on Epso rs on Epson produ
2. 2. No work shou No work should be perfo
electrician. electrician.
3. 3. The powe The power rating o r rating of this prod
the power source whose voltages is different from the rated voltage. the power source whose voltages is
4. 4. Repla Replace malfun ce malfunction
introduction of second-source ICs or other non-approved components may damage the product and void any introduction of second-source ICs or other non-approved components may damage the
applicable Epson warranty. applicable Epson warranty.
5. 5. The capac The capacitors on th
motors which generates counter electromotive force such as when rotating the PF Roller or when moving the motors which generates counter electromotive force such as when rotating the PF Roller or when moving the
CR Unit. There is a risk to damage the Main Board if the Head FFC is short-circuited with the capacitors on CR Unit. There is a risk to damage the Main Board if the Head FFC is short-circuited with the capacitors on
the Main Board electrically charged, therefore, after the power turns off or after motors are the Main Board electrically charged, therefore, after the power
printer untouched for approximately 30 seconds to d printer untouched for
reassembly. reassembly.
6. 6. To preve To prevent the circu nt the circuit boards fr
cables. cables.
 
When handling FFC, take care not to let the terminal section of FFC touch metal parts. When handling FFC, take care not to let the terminal section of FFC touch metal parts.
 
When connecting cables/FFC to the connectors on circuit boards, connect them straight to the connectors to avoid When connecting cables/FFC to the connectors on circuit boards, connect them straight to the connectors to avoid
slant insertion. slant insertion.
Safety Precautions Safety Precautions
sconnect the prod ect the product from th uct from the power sou
ng works describe scribed in this manual d in this manual, do not conne
to avoid electrical shock.
r protective gog tive goggles for dis gles for disassemb
g compressed air pro ssed air products; su ducts; such as air duster
n product shou ct should be perf ld be performed o
ld be performed on this pr rmed on this produc
f this product is indic uct is indicated on the se
ctioning comp ing component onents only with tho s only with those compon
itors on the Main Boar e Main Board may be electri d may be electrically cha
approximately 30 seconds to discharge the capacitors before starting d
it boards from short om short-circu
DANGER DANGER
e power source and peri rce and peripher
, do not connect to a power sour
power supply unit and some electronic components
WARNING WARNING
assembly and reass ly and reassembly to pr embly to protect yo
ch as air duster, for cleani , for cleaning durin
prohibited.
PRECAUTIONS PRECAUTIONS
comply may lead to personal injury or damage of the product.
ormed only by an Ep nly by an Epson cert
oduct by persons un t by persons unfamili familiar with basic saf
ated on the serial num rial number/r
different from the rated voltage.
se components prov ents provided or appr
cally charged rig rged right after th
ischarge the capacitors before starting disassembly/
-circuiting, be car iting, be careful abou eful about the follow
pheral device al devices when servic s when servicing the pro
ct to a power source until inst ce until instructed to do so
power cable connected to a
otect your eyes fro ur eyes from ink in workin
ng during repair and ma g repair and mainten
son certified re ified repair tec pair technicia hnician. n.
ar with basic safety know ety knowledge re
ber/rating pl ating plate. Neve ate. Never connec r connect this prod
ided or approved by Eps oved by Epson;
product and void any
ht after the power tur e power turns off or after dr ns off or after driving
turns off or after motors are driven, leave the
t the following when ha ing when handlin
ing the product or duct or
ructed to do so. .
m ink in working. If g. If
intenance, the use ance, the use
of the product.
ledge require quired for d for
t this product to uct to
on;
iving
driven, leave the
isassembly/
ndling FFC or g FFC or
Confidential Confidential