Bryce 9K-L User Manual page 66

SYMPTOM
Print Quality Problems
(Unwanted Bolding)
Print Quality Problems
(Addresses "walking")
Interface problems
(Garbage print)
Interface problems
(Losing characters & lines)
Revision A
CAUSE
Main Menu setting of Bold
is enabled
ESC sequence turning bold
on, located before the
address
Incorrect address setup
Number of lines of address
varies. No Form Feed used
for address termination.
Incorrect Software Driver
Wrong Symbol Set
selected in printer.
Bad communications Cable
Bad main processor board
RS232 -C (Serial) over
maximum length
Centronic (Parallel) over
maximum length
Incorrect Software Driver
9K-L USERS MANUAL
P/N 90-00860-001
Troubleshooting and Maintenance
SOLUTION
Press Test Button. A bold Standard Bryce Office
Systems Address is printed. Turn Bold setting off
in Main Menu.
Do a HEX Dump of the problem address.
Examine for ESC sequence (1B) before the start
of the line. Reference printer command codes to
find ESC Sequence. Remove the ESC Sequence
from the address.
Do Hex Dump and count carriage returns and line
feeds of Address Field. Match number of lines to
Address Setup.
Check Line Termination CR = CR, LF = LF.
Address Termination should be Form Feed
Typical dumb printer interface (TTY, Teletype,
DOS text printer, Generic printer) or HP Laserjet
series II and W700.
Select correct Symbol Set from printers Setup
Menu.
Replace internal or external cable
Call Service Representative.
Replace serial cable, maximum length 15 feet
(457.2 cm)
Replace parallel cable, maximum length 10 feet
(304.8 cm)
Typical dumb printer interface (TTY, Teletype,
DOS text printer, Generic printer) or HP Laserjet
series II and W700.
Section 7 - 3