Section 6: Troubleshooting
SATO M10e Service Manual PN 9001113A Page 6-5
RS232 SERIAL INTERFACE TROUBLESHOOTING
• Ensure the serial cable is thoroughly connected to the PC and the printer.
• Ensure the serial cable is not defective. The minimum requirements is that a Null Modem
Cable be used and that it be manufactured to specifications. Refer to the Interface
Specifications section of this manual.
• Ensure the RS232 Interface Module is installed. Different modules will have an impact on
transmission speed. M10e Printers require the new Hi Speed Serial Interface (P/N
WCL40451) to take advantage of faster data transmission speeds.
• Ensure the data stream is correct, all letters of command codes are in upper case, and
without spaces.
• Ensure the Baud rate, Parity, Data Bits, and Stop Bits are consistant with that of computer.
Print a Configuration Test Label to determine the RS232 settings.
• Ensure the printer is recieving from the computer using a Recieve Buffer Hex Dump. Refer to
that procedure for instructions. The printer will print (only once) a hexadecimal dump of
everything it has received from the host computer. Each hexadecimal character represents a
character the printer received. Analyze and troubleshoot the data stream.
While checking the hex dump printout, look for OD
H OAH (carriage return and line feed)
characters throughout. The command string should be continuous. CR or LF charcters are
not allowed between the start start command (<ESC>A) and the stop command (<ESC>Z). If
Basic is being used, it may be adding these characters automaticlly as the line wraps. Adding
a width statement to your program can help suppress these extra OD
H OAH characters by
expanding the line length up to 255 characters.
If not programming in BASIC, check to see if the equivalent statement in language exists to
suppress extra carriage returns and line feeds from data being sent to the printer. The data
stream must be one complete line going to the printer.
UNIVERSAL SERIAL BUS (USB) INTERFACE TROUBLESHOOTING
If nothing prints when during a test print, verify that the device drivers have been successively
installed by performing the following:
1 Click on Start, Settings, and then Control Panel.
2 Click on System within the new window.
3 Click on the Device Manager tab.
CAUTION: NEVER CONNECT OR DISCONNECT INTERFACE CABLES
(OR USE A SWITCH BOX) WITH POWER APPLIED TO EITHER THE
PRINTER OR THE HOST. THIS MAY CAUSE DAMAGE TO THE INTER-
FACE CIRCUITRY AND IS NOT COVERED BY WARRANTY.
NOTE: A small label may produce a large amount of data when printed in
Hex Dump.
