Reference Table 2, No Printed Characters - InfoPrint 4247 Z03 Maintenance Information

Table 11. Error messages (continued)
Message
220 SERIAL DSR ERROR
SEE USER'S GUIDE
221 SERIAL OVERFLOW
SEE USER'S GUIDE

Reference table 2, no printed characters

Failure: No printed characters appear
No print from any source (host or print test).
No print from serial, parallel, or USB interfaces, but print test is
OK.
No print from LAN attachment, but printer demonstration is OK.
Print test starts to print one line, then printer hangs.
Description
A remote connection serial interface error
condition was detected. The Data Set
Ready or Data Carrier Detect signal was
not sensed.
A serial input buffer overflow error
condition was detected. Data has been
lost.
Action
If there is no carriage motion:
v See MAP 0140: Printhead drive.
v See MAP 0150: Power supply.
If there is carriage motion:
1. Check that the ribbon is seated correctly.
2. See Print Head Gap Service Checks.
3. See MAP 0160: Ribbon feed and ribbon lift.
See MAP 0120: Parallel, serial or USB interface.
See MAP 0122: LAN Interface.
See MAP 0140: Printhead drive.
Action
See MAP 0120: Parallel, serial or USB
interface.
1. Press stop to clear the message.
2. Increase the buffer size and/or:
3. Check the SERIAL PACING
PROTOCOL value set in the printer
configuration against the hosts pacing
protocol.
4. Restart the print job.
Chapter 1. Diagnosing problems
77