Ricoh A163 Service Manual page 417

CUSTOMER SERVICE GROUP
BULLETIN NUMBER:
APPLICABLE MODEL: FW740
SUBJECT: PRESSURE ROLLER EVALUATION PROCEDURE
GENERAL:
The following procedure is a method to determine whether the pressure roller should be replaced.
1. Access SP mode with the steps below.
In order, press Clear Modes (C) key, Plus (+) key, Minus (-) key, Clear/Stop key, press and hold the
Clear/Stop key again for longer than 3 seconds.
2. Select Lamp Off Mode with the steps below.
a) Confirm that "Lead Margin" indicator lights.
If "Lead Margin" indicator does not light, press Function Select key until it lights.
b) Select "-51" by pressing Minus key. ("-51" is the number to select Lamp Off Mode.)
c) Press Function Select key until "Paper Length" indicator lights.
d) Select "1" by pressing Plus key. ("1" is the number to set Lamp Off Mode.)
e) Press RF Select key to set Lamp Off Mode.
3. To prevent a paper misfeed, create a lead edge margin with the steps below.
a) Press Function Select key until "Lead Margin" indicator lights.
b) Continue to press Plus key until "99 mm" or "4.0 inches" (max. value) is indicated.
4. Make a copy using a less fusible kind of paper like film, translucent paper or thicker plain paper w i th
vertical grain direction.
Note: Before making a copy, set the fusing temperature setting to the mode which is one step lower than
the proper setting for the particular kind of paper. For example, if the proper setting is Mode 3,
select Mode 2 for this test. Refer to TSB No. FW740-010 for more information regarding the
proper settings for particular types of paper and the adjustment procedure for non-listed papers.
5. Scrape some black areas on the copy using a cotton cloth approximately 5 times.
6. Check whether the toner is peeled off on the areas that correspond with the scraped parts of the
pressure roller. If white lines and/or bands appear, the pressure roller should be replaced with a new
one.
7. Before turning the main switch "OFF" to reset the SP mode, reset "Lamp Off Mode", "Lead Margin"
and "Fusing Temperature Setting" back to the original settings.
FIELD SERVICE MANUAL - INSERT
The Field Service Manual page(s) listed below must be replaced with the page(s) supplied. Each bull etin
package contains 1 set of replacement pages.
PAGES:
The revised areas have been highlighted by an arrow
• 4-38
TECHNICAL SERVICE BULLETIN
FW740 - 011
Additional Information Pressure Roller Evaluation Procedure
09/27/96