Oki LP470s LP470, LP480 User's Guide (English) - Page 66

Troubleshooting

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Troubleshooting Print Fault Smudged printing Vertical streaking in printouts Slanted text characters No printing Cause Print head is dirty. Roller is dirty. Print head is dirty. Remedy Clean the print head. (See "Cleaning and Maintenance") Clean the platen and dispense roller. (See "Cleaning and Maintenance") Clean the print head. (See "Cleaning and Maintenance") Paper guide is Retry with different label paper. positioned incorrectly. (See "Cleaning and Maintenance") Roller is dirty. Clean the platen and peel roller. (See "Cleaning and Maintenance") RS-232C cable connection is faulty. Check the connection of the RS232C cable connector (See "Printing" on page 44). IrDA Interface is faulty. The printer and IrDA host must be within 5.9 to 7.9 inches (15 or 20 cm) of each other. The host must be located within a 30° conical area from the center of the IrDA filter (com area) on the printer (see "Using the IrDA Interface" on page 45). Bluetooth/WLAN interface is faulty. Check the communication protocol settings. Dip Switch setting is incorrect. Double-check Dip Switch settings (See "Interface Specifications"). Print head is faulty. Replace the print head. 66

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66
Troubleshooting
Print Fault
Cause
Remedy
Smudged
printing
Print head is dirty.
Clean the print head.
(See ´Cleaning and Maintenanceµ)
Roller is dirty.
Clean the platen and dispense roller.
(See ´Cleaning and Maintenanceµ)
Vertical
streaking in
printouts
Print head is dirty.
Clean the print head.
(See ´Cleaning and Maintenanceµ)
Slanted text
characters
Paper guide is
positioned incorrectly.
Retry with different label paper.
(See ´Cleaning and Maintenanceµ)
Roller is dirty.
Clean the platen and peel roller.
(See ´Cleaning and Maintenanceµ)
No printing
RS-232C cable
connection is faulty.
Check the connection of the RS-
232C cable connector (See
´Printingµ on page
44).
IrDA Interface is faulty.
The printer and IrDA host must be
within 5.9 to 7.9 inches (15 or 20
cm) of each other. The host must be
located within a 30³ conical area
from the center of the IrDA filter
(com area) on the printer (see
´Using the IrDA Interfaceµ on
page 45).
Bluetooth/WLAN
interface is faulty.
Check the communication protocol
settings.
Dip Switch setting is
incorrect.
Double-check Dip Switch settings
(See ´Interface Specificationsµ).
Print head is faulty.
Replace the print head.