Ricoh B022, Service Manual, Page: 770 / 878

Tech Service Bulletin No. B022/B027 – 013
Page 2 of 3
Version Item Machine Code No. Comments
Interchange Unit B416 5
Bridge Unit B417 12 *See Note 2
1000-sheet finisher B408 11 New option- bridge unit required
500-sheet finisher B442 10 Most components are common
with G062 500 sheet finisher -
bridge unit required
Key Counter Bracket B452
HDD B420
User Account Enhance B443 Common with B003/B004
Memory – 32MB G578 Common with B003/B004
Memory – 64MB G579 Common with B003/B004
required for printer/scanner
option
Fax Unit B418
JBIG A892 Common with A250
G3 interface unit B448
G4 kit B449
Fax
Hand set B433
Printer unit B461 Common with B031
Printer & Scanner unit B453
PS3 B462
NIB G335
Printer/
Scanner
IEEE 1394 G590 Common with B003/B004
Note:
1) The B022/B027 has a new exterior color (same as B003/B004).
2) The Drive Motor and Control Board for these peripherals have been changed.
Mainframe: A265/A267 vs. B022/B027
Unit Item Details
Exterior Color has been change
Op panel LCD size has been expanded Same size as the B003/B004.
Drive section Fusing drive solenoid has
been added.
To reduce warm-up time, this solenoid disengages the
drive to the fusing unit during warm-up.
Electrical
component The PCB layout has been
changed The B022/B027 uses GW architecture.
Scanner CCD has been changed
The mechanical layout of the scanner unit has been
modified to accommodate this change.
Image
processing SP mode adjustments Some SP adjustments have been deleted, some added
and others combined.
Laser
exposure LD driver board has been
changed
Paper Feed Special paper lever deleted The control for this function has been changed over to a
software switch (op. panel).
Fusing Unit New design to meet ZESM
standards
(Zero Energy Standby Mode) •
•
•
•
•
Thin hot roller
2 fusing lamps
4 thermostats
2 thermistors
The fusing temperature control and Energy Saver
function are very similar to those of the B003/B004.
PCU New developer and new
toner are used to meet ZESM
standards
(Zero Energy Standby Mode)
•
•
•
The ID sensor pattern create time has been changed
so that it is performed at power ON and at a specified
interval (# copies).
Toner density control is the same as the A265/A267.
The cleaning pad for the charge roller has been
changed to a brush roller type.