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Service Guide ML390/391
Chapter 3 Maintenance & Disassembly
3.2.20 Line Feed Motor and Gear
Line Feed Motor
NOTES:
Use care when performing this procedure. The plastic claws will break if too much pressure is applied.
If the line feed motor gear breaks or becomes worn, it is not necessary to replace the entire line feed
motor assembly. The gear (6) can be replaced without removing the line feed motor assembly. However,
the platen assembly MUST be removed. The line feed idle gear should be removed ONLY if it must be
replaced. The claws will break when the gear is removed. A new gear must be installed.
· Perform these procedures:
3.2.01
,3.2.02 , 3.2.04 , 3.2.05 , 3.2.06 , 3.2.19 .
· Remove the left bail arm.
· Use a straight slot screwdriver to remove the clip (1).
· Use a straight slot screwdriver to open the lock levers (2) and push the bracket (3) of the line feed motor
(4) in the direction of arrow A.
· Remove the line feed motor from the guides (5).
CAUTION:
Installation
If the line feed motor assembly is not correctly installed, excessive wear of the platen gears will occur.
Verify that the tabs are not bent. If the tabs are bent, straighten them. The assembly will not seat if the
tabs are bent. If the assembly is not seated correctly, the gears will not correctly align.
Rotate the bias gear towards the front of the printer as far as the gear will turn. This aligns the bias gear
with the platen gear.
Set the platen assembly in place, securely engaging the idler gear with the platen gears.
Lock the line feed motor assembly into position. Verify that the tabs are not bent.
P/N 56507003 Motor: Line Feed All RSPL A B C
B.2.05
, B.2.07
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