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             NAD30/40
(Machine code: A230, A231, and A232)
         SERVICE MANUAL
             IIMPORTANT SAFETY NOTICES
PREVENTION OF PHYSICAL INJURY
1. Before disassembling or assembling parts of the copier and peripherals,
   make sure that the copier power cord is unplugged.
2. The wall outlet should be near the copier and easily accessible.
3. Note that some components of the copier and the paper tray unit are
   supplied with electrical voltage even if the main power switch is turned off.
4. If any adjustment or operation check has to be made with exterior covers off
   or open while the main switch is turned on, keep hands away from electrified
   or mechanically driven components.
5. If the Start key is pressed before the copier completes the warm-up period
   (the Start key starts blinking red and green alternatively), keep hands away
   from the mechanical and the electrical components as the copier starts
   making copies as soon as the warm-up period is completed.
6. The inside and the metal parts of the fusing unit become extremely hot while
   the copier is operating. Be careful to avoid touching those components with
   your bare hands.

HEALTH SAFETY CONDITIONS
1. Never operate the copier without the ozone filters installed.
2. Always replace the ozone filters with the specified ones at the specified
   intervals.
3. Toner and developer are non-toxic, but if you get either of them in your eyes
   by accident, it may cause temporary eye discomfort. Try to remove with eye
   drops or flush with water as first aid. If unsuccessful, get medical attention.

OBSERVANCE OF ELECTRICAL SAFETY STANDARDS
1. The copier and its peripherals must be installed and maintained by a
   customer service representative who has completed the training course on
   those models.
2. The NVRAM on the system control board has a lithium battery which can
   explode if replaced incorrectly. Replace the NVRAM only with an identical
   one. The manufacturer recommends replacing the entire NVRAM. Do not
   recharge or burn this battery. Used NVRAM must be handled in accordance
   with local regulations.
 1. SAFETY AND ECOLOGICAL NOTES FOR DISPOSAL
    Do not incinerate toner bottles or used toner. Toner dust may ignite
    suddenly when exposed to an open flame.
 2. Dispose of used toner, developer, and organic photoconductors in
    accordance with local regulations. (These are non-toxic supplies.)
 3. Dispose of replaced parts in accordance with local regulations.
 4. When keeping used lithium batteries in order to dispose of them later, do not
    put more than 100 batteries per sealed box. Storing larger numbers or not
    sealing them apart may lead to chemical reactions and heat build-up.


LASER SAFETY
The Center for Devices and Radiological Health (CDRH) prohibits the repair of
laser-based optical units 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 of
the optical subsystem is required.
 IWARNING
 Use of controls, or adjustment, or performance of procedures other than
 those specified in this manual may result in hazardous radiation exposure.


 IWARNING
 WARNING: Turn off the main switch before attempting any of the
 procedures in the Laser Unit section. Laser beams can seriously damage
 your eyes.
 CAUTION MARKING:
26 March 1998                                                          SPECIFICATIONS


1. OVERALL MACHINE INFORMATION




                                                                                         Information
                                                                                           Overall
1.1 SPECIFICATIONS
                      NAD30S / NAD30                   NAD40                 Note
 Configuration:    Desktop
 Copy Process:     Dry electrostatic transfer system
 Original:         Sheet/Book
 Original Size     Maximum A3/11" x 17"
 Copy Paper        Maximum                                               The duplex
 Size:               A3/11" x 17"                                        unit and by-
                   Minimum                                               pass feed
                     A5/5.5" x 8.5" lengthwise (Paper tray / Duplex)     unit are not
                                                                         standard for
                     A6/5.5" x 8.5" lengthwise (By-pass)
                                                                         NAD30S.
 Copy Paper        Paper Tray/Duplex:                                    The duplex
 Weight:             64 - 105 g/m2, 20 

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