Ricoh FW780 Service Manual page 455

CUSTOMER SERVICE GROUP
BULLETIN NUMBER:
APPLICABLE MODEL: FW740
SUBJECT: PARTS CATALOG UPDATES
GENERAL:
The following Parts Updates are being issued for all FW740 Parts Catalogs. The following informatio n
should be incorporated into all existing Parts Catalog documentation.
UPDATE NO. 1 -
1. The material of the Strippers has been changed from metal to a Teflon-coated resin to decrease the
friction level on the Pressure Roller.
2. Springs have been added to press the Strippers against the Pressure Roller.
3. A Stopper Guide Plate has been added to prevent the Pressure Roller from contacting the Paper Exit
Cover when it is bent.
NOTE: The proper fusing temperature setting for each type of throughput material is very important to keep
the Fusing and Pressure Rollers in good condition for as long as possible. Please refer to Tech
Service Bulletin No. 010.
Please also refer to Tech Service Bulletin No. 011 regarding how to judge whether the Pressure
Roller is still usable or not.
INTERCHANGEABILITY CHART:
OLD and NEW parts can be used in both OLD and
0
NEW machines.
NEW parts can be used in OLD and NEW machines.
1
OLD parts CAN NOT be used in NEW machines.
Must be installed as a set on units manufactured prior to the S/N cut-in. On units manufactured aft er the S/N cut-in or
3/S
previously modified, use the new part numbers individually.
TECHNICAL SERVICE BULLETIN
FW740 - 013
PRESSURE ROLLER STRIPPER - To prevent the Pressure Roller from being
damaged, the following modifications have been made.
31
43
42
41
40
NEW parts CAN NOT be used in OLD machines.
2
OLD parts can be used in OLD and NEW machines.
OLD parts CAN NOT be used in NEW machines.
3
NEW parts CAN NOT be used in OLD machines.
01/16/97
Continued...