bizhub 350_250_SM_Theory_Ver 2.0.0.pdf
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THEORY OF OPERATION TOTAL CONTENTS
SAFETY AND IMPORTANT WARNING ITEMS ..............................................................S-1
IMPORTANT NOTICE ................................................................................................S-1
DESCRIPTION ITEMS FOR DANGER, WARNING AND CAUTION .........................S-1
SAFETY WARNINGS .................................................................................................S-2
WARNING INDICATIONS ON THE MACHINE ........................................................S-17
MEASURES TO TAKE IN CASE OF AN ACCIDENT ....................................................S-20
Composition of the service manual ................................................................................. C-1
Notation of the service manual ....................................................................................... C-2
bizhub 200/250/350 Main Unit
Outline ............................................................................................................................ 1
Composition/Operation ................................................................................................... 9
Duplex Unit / Switchback Unit
Outline ............................................................................................................................ 1
Composition/Operation ................................................................................................... 3
FK-503
Outline ............................................................................................................................ 1
Composition/Operation ................................................................................................... 5
DF-605
Outline ............................................................................................................................ 1
Composition/Operation ................................................................................................... 5
PC-102/PC-202
Outline ............................................................................................................................ 1
Composition/Operation ................................................................................................... 3
PC-402
Outline ............................................................................................................................ 1
Composition/Operation ................................................................................................... 3
JS-502
Outline ............................................................................................................................ 1
Composition/Operation ................................................................................................... 3
FS-508/PU-501/OT-601
Outline ............................................................................................................................ 1
i
Composition/Operation ................................................................................................... 7
MT-501
Outline ............................................................................................................................ 1
Composition/Operation ................................................................................................... 3
SD-502
Outline ............................................................................................................................ 1
Composition/Operation ................................................................................................... 3
ii
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 product as well as
the risk of damage to the product, KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
(hereafter called the KMBT) strongly recommends that all servicing be performed only by
KMBT-trained service technicians.
Changes may have been made to this product to improve its performance after this Service
Manual was printed. Accordingly, KMBT does not warrant, either explicitly or implicitly, that
the information contained in this Service Manual is complete and accurate.
The user of this Service Manual must assume all risks of personal injury and/or damage to
the product while servicing the product for which this Service Manual is intended.
Therefore, this Service Manual must be carefully read before doing service work both in the
course of technical training and even after that, for performing maintenance and control of
the product properly.
Keep this Service Manual also for future service.
DESCRIPTION ITEMS FOR DANGER,
WARNING AND CAUTION
In this Service Manual, each of three expressions “
DANGER
”, “
WARNING
”, and
“
CAUTION
” is defined as follows together with a symbol mark to be used in a limited
meaning.
When servicing the product, the relevant works (disassembling, reassembling, adjustment,
repair, maintenance, etc.) need to be conducted with utmost care.
DANGER:
Action having a high possibility of suffering death or serious injury
WARNING: Action having a possibility of suffering death or serious injury
CAUTION: Action having a possibility of suffering a slight wound, medium
trouble, and property damage
Symbols used for safety and important warning items are defined as follows:
:Precaution when servicing
the product.
General
precaution
Electric hazard
High
temperature
:Prohibition when servicing
the product.
General
prohibition
Do not touch
with wet hand
Do not
disassemble
:Direction when servicing the
product.
Unplug
Ground/Earth
General
instruction
S-1
SAFETY AND IMPORTANT WARNING ITEMS
SAFETY WARNINGS
[1] MODIFICATIONS NOT AUTHORIZED BY KONICA MINOLTA
BUSINESS TECHNOLOGIES, INC.
KONICA MINOLTA brand products are renowned for their high reliability. This reliability is
achieved through high-quality design and a solid service network.
Product design is a highly complicated and delicate process where numerous mechanical,
physical, and electrical 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 degradation in performance and safety. Such modifications are therefore
strictly prohibited. the points listed below are not exhaustive, but they illustrate the reason-
ing behind this policy.
Prohibited Actions
DANGER
•
Using any cables or power cord not specified by KMBT.
•
Using any fuse or thermostat not specified by KMBT.
Safety will not be assured, leading to a risk of fire and
injury.
•
Disabling fuse functions or bridging fuse terminals with
wire, metal clips, solder or similar object.
•
Disabling relay functions (such as wedging paper between
relay contacts)
•
Disabling safety functions (interlocks, safety circuits, etc.)
Safety will not be assured, leading to a risk of fire and
injury.
•
Making any modification to the product unless instructed
by KMBT
•
Using parts not specified by KMBT
S-2
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