Datamax E-Class Mark II - Problem Resolution; Troubleshooting

Troubleshooting
3-1
3.0 Overview
This section covers techniques for isolating and correcting printer problems. Use the following
procedures to isolate and correct malfunctions. When problems are isolated to a Printed Circuit PCB
(PCB), assembly replacement is suggested.
; Note: Unless otherwise noted, see the Operator’s Manual for configuration, interfacing and
setup information.
3.1 Initial Troubleshooting Steps
CAUTION
(1) Before servicing always unplug the printer; (2) ensure that the unit has been placed
on a level, stable surface; and, (3) use extreme care if measuring voltages.
Before troubleshooting, perform the following actions:
• Remove any dirt or dust from the printer (see Section 2);
• Confirm that AC outlet voltage is within the specification;
• Confirm that the printer is placed within an acceptable environmental; and,
• Confirm that media has been correctly loaded.
3.2 Problem Resolution
In the table below, locate a description of the symptom in the Problem column to find the associated
Possible Causes and solutions, which are arranged by probability.
Troubleshooting
Problem Possible Causes
Power LED is not ON
• The power switch is not ON.
• The power supply is not properly connected to printer or the AC outlet.
• The Power Supply or the power cord is defective; replace.
• The Control Panel PCB is defective; see Section 4.7.
• The Main PCB is defective; see Section 4.3.
(continued)