Service Manuals, User Guides, Schematic Diagrams or docs for : Konica Minolta Copiers FK116 FK116V1E
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FK-116
SERVICE HANDBOOK
KONICA CORPORATION
TECHNOLOGY SUPPORT CENTER
TOKYO JAPAN
SAFETY AND IMPORTANT WARNING ITEMS
SAFETY AND IMPORTANT WARNING ITEMS
Read carefully the Safety and Important Warning Items described below to understand them
before doing service work.
IMPORTANT NOTICE
Because of possible hazards to an inexperienced person servicing this copier, as well as the risk
of damage to the copier, Konica Corporation, strongly recommends that all servicing be per-
formed only by Konica-trained service technicians.
Changes may have been made to this copier to improve its performance after this Service Hand-
book was printed. Accordingly, Konica Corporation, makes no representations or warranties,
either expressed or implied, that the information contained in this Service Handbook is complete
or accurate. It is understood that the user of this Service Handbook must assume all risks or
personal injury and/or damage to the copier while servicing the copier for which this Service
Handbook is intended.
Therefore, this Service Handbook must be read carefully before doing service work both in the
course of the technical training and even after that, for keeping the correct maintenance and
control of the copier. Keep the Service Handbook also for the future service. When it is
impossible to read the description about safety and warning (due to contamination or tear), the
relevant page should be replaced.
DESCRIPTION ITEMS FOR DANGER, WARNING AND CAU-
TION
In this Service Handbook, each of three expressions, " DANGER", " WARNING" and
" CAUTION" is defined as follows together with a symbol mark to be used in a limited mean-
ing. When servicing, the relevant works (disassembling, assembling, adjustment, repair and
maintenance) need to be conducted with utmost care.
DANGER: Actions having a high possibility of suffering death or serious wound
WARNING: Actions having a possibility of suffering death or serious wound
CAUTION: Actions having a possibility of suffering a slight wound, medium trouble
and material damage
C-1
SAFETY AND IMPORTANT WARNING ITEMS
SAFETY WARNINGS
[1] MODIFICATIONS NOT AUTHO- [2] CHECKPOINTS WHEN PER-
RIZED BY Konica FORMING ON-SITE SERVICE
Konica copiers are renowned for their high Konica copiers are extensively tested before
reliability. This reliability is achieved through shipping, to ensure that all applicable safety
high-quality design and a solid service net- standards are met, in order to protect the cus-
work. tomer and customer engineer from the risk of
injury. However, in daily use, any electrical
Photocopier design is a highly complicated equipment may be subject to parts wear and
and delicate process where numerous eventual failure. In order to maintain safety
mechanical, physical, and electrical aspects and reliability, the customer engineer must
have to be taken into consideration, with the perform regular safety checks.
aim of arriving at proper tolerances and safety
factors. For this reason, unauthorized modifi-
cations involve a high risk of degrading perfor-
1. Advance Preparation for
mance and safety. Such modifications are Safety Checks
therefore strictly prohibited. The points listed
CAUTION:
below are not exhaustive, but they illustrate
(1) Wear clothing that facilitates work and
the reasoning behind this policy.
is designed for safety.
(2) Carry out all procedures carefully to
PROHIBITED ACTIONS: prevent injury.
(1) Using extension cables or a different (3) Be sure to disconnect the power cord
power cord than specified by Konica. of the copier and all optional equip-
(2) Using other fuses than specified by ment from the AC outlet.
Konica. Safety will not be assured, Simply turning off the power switch is
leading to a risk of fire and injury. not sufficient, because paper feed
(3) Disabling fuses or bridging fuse termi- units or other electrical equipment may
nals with wire, metal clips, solder or be powered also when the power
similar. (This applies also to thermal switch is turned off.
fuses.) (4) Proceed with special care when per-
(4) Removing air filters (except for forming operation checks or adjust-
replacement). ment while the unit is powered. When
(5) Disabling relay functions (such as carrying out operation checks or
wedging paper between relay contacts, adjustment while external covers are
etc.). removed, the risk of electrical shock
(6) Disabling safety functions (interlocks, exists when touching parts which carry
safety circuits, etc.). Safety will not be high voltage or electrical charge. The
assured, leading to a risk of fire and risk of injury exists when touching
injury. moving parts such as gears or chains.
(7) Performing actions to copier not
described in the instruction manual or
the service handbook.
(8) Using parts other than specified by
Konica.
C-2
SAFETY AND IMPORTANT WARNING ITEMS
(3) Do not route the power cord so that it
2. Safety Checkpoints can be stepped on or pinched. Other-
The following list is not exhaustive, but it wise overheating may occur, leading to
includes actions which must be carried out at a serious fire risk.
every on-site service. (4) When disconnecting any cables,
always grasp the connector and not
CAUTION: the cable (especially in the case of AC
(1) Check external covers and the frame and high-voltage leads).
for sharp edges, burrs, or nicks. (5) Carefully remove all toner remnants
(2) Check external covers and hinges for from electrical parts, electrodes, etc.
loosening or damage. (6) Make sure that wiring cannot come
(3) Check wiring for squeezing or damage. into contact with sharp edges, burrs, or
(4) Check power cord for insulation prob- other pointed parts.
lems (conductor must not be exposed). (7) Double-check to make sure that all
(5) Check power cord and cable ties etc. screws, components, wiring, connec-
for loosening from frame. tors, etc. that were removed for safety
check maintenance have been rein-
WARNING: stalled in the original location. (Pay
(1) Verify that the copier is properly special attention to forgotten connec-
grounded. If a problem is detected, tors, pinched cables, forgotten screws,
establish a proper ground connection. etc.)
(2) Connecting the ground lead to an (8) When installation and preventive main-
improper point such as listed below tenance, verify that the power cord has
results in a risk of explosion and elec- been securely plugged into the AC out-
tric shock. let. Contact problems may lead to
Unsuitable ground points: increased resistance, overheating,
a. Gas pipe and the risk of fire.
b. Lightning rod
c. Telephone line ground WARNING:
d. Plastic water pipe or water pipe or (1) Before disassembling or adjusting the
faucet that has not been approved optical unit or any parts that use a
by authorities for grounding use laser, make sure that the power cord
has been disconnected.
3. Precautions for on-site service (2) Do not remove the main cover of the
write unit. Direct exposure of the eye to
CAUTION: laser beams may lead to blindness.
(1) Before performing safety check work, (3) Do not turn the copier on while the
read all relevant documentation (ser- write unit is not installed in its normal
vice handbook, technical notices, etc.) position.
and proceed according to the pre- (4) Danger of explosion if battery is incor-
scribed procedure, using only the pre- rectly replaced, replace only with the
scribed tools. Do not carry out any same or equivalent recommended by
adjustments not described in the docu- the manufacturer. Discard used batter-
mentation. ies according to the manufacture's
(2) If the power cord is damaged, replace it instructions.
only with the specified power cord. If
the power cord insulation has been
damaged and there are exposed sec-
tions, short-circuits and overheating
may occur, leading to a serious fire
risk.
C-3
SAFETY AND IMPORTANT WARNING ITEMS
VORSICHT: [4] MEASURES TO TAKE IN CASE
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