Epson 7000 service manual Outline, First, Remember, Diagnosing the Problem

EPSON Stylus Pro 7000 Revision B

3.1 Outline

See this chapter for detailed troubleshooting instructions if the printer is not working properly.

3.1.1 First...

Before starting, confirm or attempt the following:

„There are no foreign materials inside the printer.

„If the LCD display displays “Ready” when the power is on, print a status sheet. Press the SelecType button twice to access the “Test Print Menu”, press the Item + button until you see “Print Status Sheet”, and then press Enter.

By checking the Status Sheet you can determine whether the cause of the problem is the printer itself (i.e. a part has been used beyond its useful life) or a user-defined control panel setting.

C H E If necessary, you can restore the factory default settings in the

PO I NVRAM on the C299MAIN board as follows.

From “Maintenance Mode 2” select “Counter Init. Menu” and then “NVRAM Init.”.

„The printer is not abnormally dirty. Clean if necessary.

„The printer parts are original or EPSON replacement parts and no part of the printer is deformed or out of shape in any way.

„The connectors are properly fixed with no damage to them or any of the harnesses.

„The cams and gears inside the printer are not worn, not wearing out unevenly, and are connecting properly/turn freely.

„The rubber pads on the rollers are not dirty. Clean if necessary.

„The rubber pads on the rollers are not worn, not wearing out unevenly, and are connecting properly/turn freely.

„If necessary, reset the NVRAM parameters to the factory default parameters. Maintenance Mode 2 > Counter Init. Menu > NVRAM Init.

3.1.2 Remember

Before beginning disassembly turn the printer off, wait for a few seconds after the LCD panel goes blank, and then remove the power cord from the outlet. Also remove any interface cables.

„The printer tools mentioned in the following pages have

C A U

been tested and are proven to preserve the quality of the printer. The use of other, non-standard tools is not supported.

„Only use the type of oils and lubricants described in this manual.

„Always perform adjust procedures as described in this manual.

3.1.3Diagnosing the Problem

This section describes how to diagnose printer errors. Troubleshooting is divided into the following categories.

†“Troubleshooting Using the Error Messages” on page 83

†“Troubleshooting Based on Your Printout” on page 103

Troubleshooting Outline 80