42113901 Rev.2
88 /
Oki Data CONFIDENTIAL
5.2
Lubrication
This printer is designed to be maintenance free and requires no lubrication during normal
operation. However it is necessary to apply lubricant in case the printer is disassembled,
reassembled, cleaned or parts have been changed.
(1)
Cleaning time
Remarks:
1) Turn off the power before cleaning.
2) Make sure that paper dust will not fall inside of the machine.
• Cleaning period:
6 months of operation or 300 hours of operation, whichever the earlier.
• Cleaning points:
Carriage shaft and surroundings:
Remove paper and ribbon dust.
Paper path:
Clean stains and dusts.
Paper End Sensor
Remove the dust on the Sensor.
(2)
Lubricant
• Pan motor oil (or equivalent): PM
• Molicort (or equivalent): EM-30L
(3)
Amount of lubricant
• Medium amount A : Apply three to four drops of oil, or 0.008 inch (0.2 mm) thick grease.
• Small amount B
: Apply one drop of oil (0.006
±
0.002 g)
(4)
Areas to Avoid
No.
Do not lubricate
Reason
Remarks
1
Platen assembly
To prevent stained paper
(rubber face)
and illegal paper feed.
2
Pressure roller (rubber
To prevent stained paper
Pay attention not to put
face)
the grease on the rubber
face of the pressure roller.
3
Carriage shaft
To stabilize carriage
traveling load
4
Ink ribbon
To prevent blurring of print
image
5
Pin tractor
To prevent stained paper
6
Flexible cable
To prevent loose connection
and crack
7
Motor PCB
To prevent loose connection
8
Connector terminals
To prevent loose connection
Содержание ML421 Series
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