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EM18-33010A
2. MAJOR UNIT REPLACEMENT
CAUTION: 1) Lubrication: During parts replacement
2) Kinds of oil: FLOIL G-488: 1 Kg can. (Part No. 19454906001).
NOTE: Instructions to remove the top cover and left side cover are omitted from each removal/
installation procedure provided below.
■ Lubrication
WARNING!
Disconnect power cord before replacing important parts.
Any machine is generally in its best condition when delivered; therefore, it is necessary to try to keep
this condition. Unexpected failure occurs due to lack of oil, debris or dust. To keep its best condition,
periodically clean the machine and apply proper kinds of oil to each part in which lubrication is
needed.
Although the frequency of lubrication varies according to how much the machine is used, at least it
is necessary to lubricate before the machine becomes dry. It is also necessary to wipe off excessive
oil as it collects dirt.
(Revision Date Dec. 09, ’94)
2. MAJOR UNIT REPLACEMENT
Fig. 2-1
2. MAJOR UNIT REPLACEMENT
CAUTION:
1. NEVER separate the ribbon motors from the attaching plate (bracket), because doing so will
change their adjustment. (See Fig. 2-8)
2. NEVER remove the two screws painted red on the side of the print block. (See Fig. 2-13)
3. NEVER remove the four screws on the side of the print block. (See Fig. 2-13)
4. NEVER remove the four screws painted red fixing the right plate and reinforcing plate.
(See Fig. 2-16) However, the machine with a serial number of 4T x x x x x x or later is not equipped
with the red screws because of the change in the right plate shape.
5. NEVER remove unmentioned screws because doing so will change their adjustment.
1) Turn the power off.
2) Open the top cover to remove the four FL-3x5 screws. Slide the top cover to the left to release the
damper and remove the top cover.
3) Remove the seven screws (FL-4x5 and B-4x5) to remove the left side cover.
4) Disconnect the FAN motor connector from the PS unit.
CAUTION: Do not spray the inside of the printer with lubricants. Unsuitable oil can damage
the mechanism.
Top Cover
Screw (FL-4x5)
Screw (B-4x5)
FAN Motor
Left Side Cover
Screw (FL-3x5)
Damper