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Introduction
This manual contains detailed instructions on the operation and maintenance of this machine. To get
maximum versatility from this machine all operators should carefully read and follow the instructions in
this manual. Please keep this manual in a handy place near the machine.
Please read the Safety Information before using this machine. It contains important information related
to USER SAFETY and PREVENTING EQUIPMENT PROBLEMS.
Notes
Some illustrations may be slightly different from your machine.
Certain options may not be available in some countries. For details, please contact your local dealer.
Operator Safety
This machine is considered a CDRH class 1 laser device, safe for office/EDP use. The machine con-
tains two GaAIAs laser diodes, 5-milliwatt, 760-800 nanometer wavelength for each emitter. Direct (or
indirect reflected ) eye contact with the laser beam might cause serious eye damage. Safety precau-
tions and interlock mechanisms have been designed to prevent any possible laser beam exposure to
the operator.
Laser Safety:
The Center for Devices and Radiological Health (CDRH) prohibits the repair of laser-based optical unit
in the field. The optical housing unit can only be repaired in a factory or at a location with the requisite
equipment. The laser subsystem is replaceable in the field by a qualified Customer Engineer. The laser
chassis is not repairable in the field. Customer engineers are therefore directed to return all chassis
and laser subsystems to the factory or service depot when replacement or the optical subsystem is re-
quired.
Warning:
Use of controls or adjustment or performance of procedures other than those specified in this manual
might result in hazardous radiation exposure.
Notes:
The model names of the machines do not appear in the following pages. Check the type of your ma-
chine before reading this manual. (For details, see ⇒ P.1
“Machine Types”
.)
• Type1: Aficio 551
• Type2: Aficio 700
Certain types might not be available in some countries. For details, please contact your local dealer.
Two kinds of size notation are employed in this manual. With this machine refer to the inch version.
For good copy quality, Ricoh recommends that you use genuine Ricoh toner.
Ricoh shall not be responsible for any damage or expense that might result from the use of parts other
than genuine Ricoh parts in your Ricoh office product.
Power Source
120V, 60Hz, 20A or more
Please be sure to connect the power cord to a power source as above. For details about power source,
see ⇒ P.335
“Power Connection”
.