To Study Trouble Shooting Printers

Hey Guys,

I will explain troubleshooting printers.

Study different problems in Dot-Matrix Printers.

Study different problems in Ink-jet Printers.

Study different problems in Laser Printers.

Troubleshooting Printers-

Dot-Matrix Printers

Troubleshooting a dot-matrix printer usually required a reference manual because there are so many printers in the market. However, if a reference manual not available, a thorough inspection of the mechanical part of the printer will usually uncover the problem. the table given below lists some of the common problems encountered with do matrix printer and their possible causes.

Table:-Possible Causes of common Dot-Matrix Problems

Symptoms	Possible Causes & Remedy
The printer does not power up to all.	No power is getting to the printer or the fuse is blown.
The printer does not print although the power is on.	The printer is not online, the printer is out of paper or the printer cable is not connected properly.
The printer does not go online.	The printer is out of paper.
The paper slips around the platen.	The printer is not griping the paper properly. adjust paper-feed selector for size and type of paper.
The print head moves but does not print.	The ink ribbon is not installed properly or is out of ink.
The print head tears the paper as it moves over it.	The pins are not operating properly. If any of the pins are stuck, the head will need to be replaced.
The paper bunches up around the platen.	There is no reverse tension on paper.
The paper has dimples.	The paper is misaligned or the tractor feed wheels are not locked in place.
The paper / Error indicator flashes continuously.	There is an overload condition.
The printout is double-spaced or there is no spacing between the lines.	The printer configuration switch is correctly set.
The printer cannot print ASCII characters above code 127.	The printer configuration switch is incorrectly set.
The print mode cannot be changed set.	The printer configuration switch is incorrect.