Troubleshooting; Determining The Problem; Fuse; Printing - Ithaca 75 User Manual

TROUBLESHOOTING

This chapter provides solutions to problems that may occur with the printer.
Use the table to determine the problem, then refer to the specified flowchart that
describes the corrective action for that problem. The flowcharts are on the
following pages and are identified by the number referred to in the table.
Following the flowcharts is a section that describes checking the connection
circuits and resistance for the Printhead, Space Motor, and Linefeed Motor.

DETERMINING THE PROBLEM

When Problem
Occurs
Trouble at Power On
Trouble During Data
Reception or Printing
Description of Problem
Printer is dead; no voltages on control board
The Carriage does not move
Carriage does not operate normally: runaway,
vibration, incomplete homing
Carriage homes normally, but LED comes on
(constant or flash)
Fuse on the Power Supply blows at power-up
Fuse on the Control Board blows (SLMR
blows)
Spacing or printing does not occur
Spacing operates normally, but printer does
not print

Printer stops printing

Wrong characters are printed or some
characters are not printed
Some dots do not print
Print is not dark enough
Printer does not line feed during printing
Fuse on Power Supply Board blows during

printing

53
Troubleshooting
Refer to
Flowchart
1
2
3
4
5
6
7
8
9
10
11
12
13
14