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SAFETY AND IMPORTANT WARNING ITEMS
SAFETY WARNINGS
[1] MODIFICATIONS NOT AUTHORIZED
BY Minolta
Minolta copiers are renowned for their high reliability. This
reliability is achieved through high-quality design and a solid
service network.
Photocopier design is a highly complicated and delicate
process where numerous mechanical, physical, and electri-
cal aspects have to be taken into consideration, with the aim
of arriving at proper tolerances and safety factors. For this
reason, unauthorized modifications involve a high risk of
degrading performance and safety. Such modifications are
therefore strictly prohibited. The points listed below are not
exhaustive, but they illustrate the reasoning behind this
policy.
PROHIBITED ACTIONS :
(1) Using extension cables or a different power cord
than specified by Minolta.
(2) Using other fuses than specified by Minolta. Safety
will not be assured, leading to a risk of fire and injury.
(3) Disabling fuses or bridging fuse terminals with wire,
metal clips, solder or similar. (This applies also to
thermal fuses.)
(4) Removing air filters (except for replacement).
(5) Disabling relay functions (such as wedging paper
between relay contacts, etc.).
(6) Disabling safety functions (interlocks, safety cir-
cuits, etc.). Safety will not be assured, leading to a
risk of fire and injury.
(7) Performing actions to copier not described in the
instruction manual or the service handbook.
(8) Using parts other than specified by Minolta.
[2] CHECKPOINTS WHEN PERFORMING
ON-SITE SERVICE
Minolta copiers are extensively tested before shipping, to
ensure that all applicable safety standards are met, in order
to protect the customer and customer engineer from the risk
of injury. However, in daily use, any electrical equipment may
be subject to parts wear and eventual failure. In order to
maintain safety and reliability, the customer engineer must
perform regular safety checks.
1. Advance Preparation for Safety Checks
CAUTION:
(1) Wear clothing that facilitates work and is designed
for safety.
(2) Carry out all procedures carefully to prevent injury.
(3) Be sure to disconnect the power cord of the copier
and all optional equipment from the AC outlet.
Simply turning off the power switch is not sufficient,
because paper feed units or other electrical equip-
ment may be powered also when the power switch is
turned off.
(4) Proceed with special care when performing opera-
tion checks or adjustment while the unit is powered.
When carrying out operation checks or adjustment
while external covers are removed, the risk of elec-
trical shock exists when touching parts which carry
high voltage or electrical charge. The risk of injury
exists when touching moving parts such as gears or
chains.
2. Safety Checkpoints
The following list is not exhaustive, but it includes actions
which must be carried out at every on-site service.
CAUTION:
(1) Check external covers and the frame for sharp edges,
burrs, or nicks.
(2) Check external covers and hinges for loosening or
damage.
(3) Check wiring for squeezing or damage.
(4) Check power cord for insulation problems (conduc-
tor must not be exposed).
(5) Check power cord and cable ties etc. for loosening
from frame.
WARNING:
(1) Verify that the copier is properly grounded. If a
problem is detected, establish a proper ground con-
nection.
(2) Connecting the ground lead to an improper point
such as listed below results in a risk of explosion
and electric shock.
Unsuitable ground points:
- Gas pipe
- Lightning rod
- Telephone line ground
- Plastic water pipe or water pipe or faucet that has
not been approved by authorities for grounding
use
C - 2
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