Sharp FO-2970M, Service Manual

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FO-2970MU
FO-2970MU FO-2950MU
Control PWB DCEKC182PSCZZ DCEKC388NSCZZ
TEL/LIU PWB DCEKL259CSC01 DCEKL222CSC01
Modem speed 33,600 bps 14,400 bps
No. 00ZFO2970USME
Parts marked with " " is important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintain-
ing the safety and performance of the set.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
SHARP CORPORATION
SERVICE MANUAL
Laser Wave Length : 780
±
15 nm
Laser Pulse Times : (13.95
±
3
µ
s)/7mm
Laser Output Power : 0.4 mW
±
0.05mW
CAUTION
This laser facsimile is a class 1 laser product that complies with 21CFR 1040.10 and 1040.11 of the CDRH or IEC60825-1 standard.
This means that this machine does not produce a hazardous laser radiation. The use of controls, adjustments or performance of
procedures other than those specified herein may result in hazardous radiation exposure.
This laser radiation is not a danger to the skin, but when an exact focusing of the laser beam is achieved on the eyes retina, there is
danger of spot damage to the retina.
The following cautions must be observed to avoid exposure of the laser beam to your eyes at the time of servicing.
1) When a problem in the laser optical unit has occurred, the whole optical unit must be exchanged as a unit, not an individual part.
2) Do not look into the machine with the main switch turned on after removing the toner/developer unit and drum cartridge.
3) Do not look into the laser beam exposure slit of the laser optical unit with the connector connected when removing and installing
the optical system.
4) The cover of Laser Printer Unit contains the safety interlock switch.
Do not defeat the safety interlock by inserting wedges or other items into the switch slot.
FACSIMILE
MODEL
FO-2970M
Difference between FO-2970MU and FO-2950MU
Chapters 1, 3, 7 and 8 of this manual are omitted because they are partly common to the FO-2950MU. Please refer to
previous service manual UX-4000MU/FO-2950MU/C (00ZUX4000USME) for these chapters.
SELECTION CODE DESTINATION
U U.S.A.