Sharp FO-4650, Service Manual

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FO-4650U
No. 00ZFO4650USME
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 : 770-810 mm
Laser Pulse Times : 49.2
µ
s
Laser Output Power : 0.37 mW
CAUTION
This laser facsimile is a class 1 laser product that complies with 21CFR 1040.10 and 1040.11 of the CDRH standard or IEC60825-1.
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.
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 install-
ing the Optical Unit.
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-4650
SELECTION CODE DESTINATION
U U.S.A.
The FO-4650U Service Manual contains information which differs from the FO-4700U Service Manual.
For additional information, refer to the FO-4700U (00ZFO4700USME) Service Manual.
Difference between FO-4700U and FO-4650U
FO-4700U FO-4650U
Control PWB Unit DCEKC082MXHZZ DCEKC789PXHZZ
Printer PWB Unit DCEKC470BXH01 DCEKC470BXH03
Memory PWB OPTION (FO-1MK) NOT SUPPLY
PC I/F PWB OPTION (FO-47IF) NOT SUPPLY