SATO MB410i User Guide

Unit 7: Troubleshooting

Page 7-2

PN 9001190C

MB400i/MB410i Operator Manual

When you experience any problems operating the printer, refer to the following tables.

Smudged printing

1. Print head is dirty
2. Roller is dirty

1. Clean the print head
2. Clean the platen and dispense roller 
(See Section 6: Cleaning and 
Maintenance)

Vertical streaking in 
printouts

1. Print head is dirty
2. Print head is faulty

1. Clean the print head
2. Run head check
3. Replace the print head

Slanted text characters 1. Paper guide is 

positioned incorrectly

2.  Roller is dirty

1. Retry with different label paper.  Use 
only SATO-certified media for best 
print quality and minimal problems
2. Clean the platen and dispense roller 
(See Section 6: Cleaning and 
Maintenance)

No printing

1. RS-232C cable 
connection is faulty or 
settings are wrong

2. IrDA Interface is faulty or 
settings are wrong

3. Bluetooth/WLAN 
interface is faulty or 
settings are wrong 

4. DIP Switch setting is 
incorrect

5. Print head is faulty

1. Check the connection of the RS-
232C cable connector (See Printing 
Via the RS-232C Interface in Section 
4, Operation and Configuration)

2. The printer and IrDA host must be 
within 6 or 8 inches (15 or 20 cm) of 
one another. The host must be located 
at the center of  the IrDA filter (com 
area) of the printer (See Printing Via 
the IrDA Interface in Section 4: Opera-
tion and Configuration)

3. Check the communication protocol 
settings

4. Double-check DIP Switch settings 
(See Enabling and Disabling Special 
Settings in Section 5, Operating 
Modes).

5. Replace the print head