42114101 Rev.1
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8
Line feed trouble
Turn the power off, and rotate the platen manually.
Does the platen rotate smoothly?
Yes
No
Is the platen gear (L) broken?
No
Yes
Replace platen assembly
Is the LF motor idle gear broken?
No
Yes
Replace the LF motor assembly or LF idle gear.
Is the platen gear (R), idle gear or change gear broken?
No
Yes
Replace the gear.
Set change lever to the rear position.
Does the platen rotate smoothly?
No
Yes
Replace tractor feed assembly.
Replace LF motor assembly.
Replace LF motor assembly.
Remedied?
No
Yes
End
Replace Control Board
Summary of Contents for ML490 Series
Page 1: ...42114101 Rev 1 1 135 ML490 491 PRINTER Maintenance Manual ODA...
Page 2: ...42114101 Rev 1 2...
Page 38: ...42114101 Rev 1 38 Drive gear Ink tank Ribbon cartridge Figure 2 6...
Page 48: ...42114101 Rev 1 48 Change arm Change lever Platen Release cam Figure 2 13 REAR TOP BOTTOM...
Page 96: ...42114101 Rev 1 96 9 Carriage Assy NK2 10 SUS Bearing portion of guide roller EM 30L B...
Page 119: ...42114101 Rev 1 119 6 8 9 7 1 2 3 11 10 4 5 Figure B 2 Printer General Assy...
Page 124: ...42114101 Rev 1 124 9 12 11 1 13 3 7 1 14 5 6 7 2 10 8 Figure B 4 Carriage Assy...
