Ricoh C211 Service Manual page 755

Tech Service Bulletin No. SS830/950/VT2130-036
Page 2 of 2
UPDATE NO. 2-
THERMAL HEAD DRIVE BOARD - A protective cut off circuit has been added to
the thermal head drive PCB. The new circuit will protect the thermal head heating
elements from receiving power after the copy cycle is complete.
I
REFERENCE
OLD PART NO. NEW PART NO. DESCRIPTION
QTY
INT
PAGE INDEX
C201 8032 Ic201 8029 I
Thermal Head Drive Board
I
1
I
1
I
77/39
I
*I8
INTERCHANGEABILITY CHART
o
OLD and NEW parts oan be used in both OLD and
NEW parts CAN NOT be used in OLD machines.
NEW machines.
2
OLD parts can be used in OLD and NEW machines.
—
NEW parts oan be used in OLD and NEW machines.
1
OLD parts CAN NOT be used in NEW machines. NEW
OLD parts CAN NOT be used in NEW machines.
3
parts CAN NOT be used in OLD machines.
3/s
Must be installed as a set on units manufactured prior to the S/N cut-in. On units manufactured
aftertheS/Ncut-inor
previously modified, use the new Part numbers individually.
UNITS
AFFECTED:
All SS830 priports will utilize the thermal head drive board as a service part only.