User guide

Table of contents
IV
Chapter 6
Troubleshooting 6-1
Solving problems 6-1
Print Quality Problems and Solutions 6-2
Paper Handling Problems and Solutions 6-4
Operating Problems and Solutions 6-5
LED states in error conditions 6-6
Printer Failures 6-7
Diagnostic Functions 6-8
Chapter A
Specifications A-1
Printer specifications A-1
Paper specifications A-4
Print Area A-5
Continuous forms A-5
Single sheets A-6
Paper Thickness A-7
Chapter B
Interfaces B-1
Parallel interface B-1
Parallel Interface Pin Assignment B-2
B-2
Compatible mode B-3
Nibble mode B-4
Data Transmission Timing B-5
USB interface B-6
Descriptor B-6
Standard Device Descriptor B-6
Configuration Descriptor B-7
Interface Descriptor Alternate Setting B-7
Endpoint 1 Descriptor B-8
Endpoint 2 Descriptor B-8