Gestetner G060, Service Manual

Page: 968 / 1106

Tech Service Bulletin No. G060/G570 – 027
Page 3 of 3
!
It is not recommended to upgrade pre-modification MIF for SP7-908, since it is necessary to not only
install the 8 KB RAM, but also to replace all maintenance kits (kit PM counters stored in NVRAM).
!
The following shows the SP7-908 displays for machines with the 4 KB NVRAM and each version of
main/controller firmware:
Controller firmware NVRAM = 4KB
2.12 or earlier 2.13 or later
B1.15E or
earlier
(feature not displayed) Unspecified value displayed.
Engine
firmware
B1.17C or
later
(feature not displayed) SP7-908 value is “999.99”.
SERVICE MANUAL:
The Service Manual pages listed below must be replaced with the pages supplied. Each bulletin package
contains 1 set of replacement pages.
PAGES:
The revised areas have been highlighted by an arrow
⇒
.
•
5-43 through 45 Updated Information (Service Programs)
PARTS INFORMATION:
SP7-908-1 thru 8 has been added to store the average Pixel Coverage Ratios for each toner color. With this
new counter, B/W pages that follow color pages in ACS will not be included in pixel coverage ratios for CMY
toner (only for black). For this new counter, the capacity of the NVRAM on the BCU board has been changed
from 4 kB to 8 kB.
The following parts updates are being issued for all G060 Parts Catalogs.
REFERENCE
OLD PART NO. NEW PART NO. DESCRIPTION QTY INT PAGE ITEM
14075404 IC - EEPROM I2C BUS 32K DIP
14075751 IC - NVRAM I2C BUS 64K DIP
1 1 85 267
UNITS AFFECTED:
All G060 printers manufactured after the serial numbers listed below will have the new style IC - NVRAM I2C
BUS 64K DIP installed during production.
MODEL NAME SERIAL NUMBER
Gestetner DSc38 P6020300001
Ricoh Aficio AP3800C P6020300001
Savin SLP38c P6020300001