56 IM 04P01B01-02E
Recommended Replacement Periods for Worn Parts
To preserve the reliability of the recorder and to use the recorder in good condition for an
extended time, it is recommended that periodic replacements be made on parts.
The table below shows the recommended replacement period for expendable parts. The
replacement period shown here applies when the recorder is used under standard operating
conditions. For the actual replacement period, consider the actual conditions of use.
Replacement of parts other than the chart paper, pen, ribbon cassette, and internal light LED
will be carried out by a YOKOGAWA engineer or an engineer certified by YOKOGAWA.
Contact your nearest YOKOGAWA dealer when such replacement is necessary.
Note
The replacement period of the display and the internal light LED is the half life of the
brightness. The deterioration of brightness varies depending on the condition of use, and its
determination is subjective. Consider these facts for determining the actual replacement
period.
Pen Model
Note
33 days
2 km
B8800CA
MOTOR ASSY
5 years
Item
Replacement
Period
Part Name
Part No.
Z-fold chart paper CHART B9565AW When used at 20 mm/h
Pen servo
Lever bearing
Plotter motor
Plotter carriage
Chart paper feed
motor
Display
Plotter pen
Felt pen PEN ASSY
B9902AM
B9902AN
B9902AP
B9902AQ
Red
Green
Blue
Violet
At a pen speed of
10 cm/s
100,000
characters
PEN ASSY
B9902AR When printing continuously
5 years* DISPLAY ASSY For pens 1 to 4
5 years
MOTOR ASSY B9962EJ
5 years CARRIAGE ASSY B8800DJ
For the X-axis
5 years B8800DT
BEARING B9900RP
For the plotter
5 years
SERVO ASSY B8800FG
Shared by all pens
(excludes the pen arm ASSY)
Quantity
Used
1
1 each
1
1
1
1
Internal light LED
2 years* LED ASSY B8800CR
1
1
1
1 to 4
* The half life of the brightness at the factory default brightness setting.
Dot Model
Note
33 days
3 months
B9962EJ
CARRIAGE ASSY
5 years
Item
Replacement
Period
Part Name Part No.
Ribbon feed motor
Z-fold chart paper CHART B9565AW When used at 20 mm/h
Ribbon shift gear
Ribbon shift motor
Carriage
Carriage motor
Pulley
Chart paper feed
motor
Ribbon cassette
RIBBON CASSETTE
B9901AX
5 years*
B8800CA
5 years
3 years
PULLY
B9963CJ
5 years
MOTOR ASSY B9963CF
5 years
B9963CL
MOTOR ASSY B9962EJ
5 years GEAR
B8801BX
B8801BW
5 years
MOTOR ASSY
B9901PJ
Display DISPLAY ASSY
MOTOR ASSY
For the carriage
Ribbon feed gear
5 years GEAR
B9901HL
B9901HM
B9901HN
LEVER ASSY
3 years
B9901EK For the carriage
Lever
Quantity
Used
1
1
1
1
1
2
1
1
1
1 each
1
Internal light LED 2 years* LED ASSY
B8800CR
1
1 each
* The half life of the brightness at the factory default brightness setting.
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