Epson 7000 Uneven PRINTING/POOR Resolution, E When using the Adj.B or C Head Slant as well as

EPSON Stylus Pro 7000 Revision B

3.If the extra ink charge does not clear the clogged nozzles, confirm the following.

„There is no damage to or foreign materials in/around the rubber of the Cap Assembly

„The Cap Assembly valve is operating normally (if it is not, the Cap Assembly will not properly absorb ink

„The Cap Assembly retention spring is working properly.

„The ink tubes and pipes between the ink cartridges and printheads are properly connected and are not damaged (check the nuts for tightness, the O-rings for warping, and the tubes/pipes for ink leakage)

„Remove the R-side cover and looking from above, make sure both heads are properly sealed when the printheads are in the capped position.

„Put liquid in the caps and rotate the pump gears by hand to make sure the pump assembly is working correctly

„While performing a cleaning operation, make sure the pump motor and gears are functioning correcting

„Check the FFC connections, and reseat if necessary

4.If after following the above steps the printout still shows missing dots, replace one of the parts listed below and check the print out.

„Main Board

„Printhead(s)

„Before you uninstall the Main Board or a printhead, make

C A U T I O N

sure all cables are disconnected. After installing the new board or head, make sure all cables are properly

connected; if cable connectors not completely inserted, they can damage circuits

or the heads when current is turned on.

„Make sure you replace the correct head, B head or C head.

UNEVEN PRINTING/POOR RESOLUTION

If printout quality suffers from unevenness, poor quality, or similar problems, check the following.

1.Perform platen gap adjustment

Using the control-panel setting or the diagnostic-program function, check the platen gap (bi-directional printing position as well as PG adjustment).

2.If this error occurs only when the user prints on custom or thick paper, (Use the control panel paper thickness setting to correct the paper size and the print position (depending on the paper-thickness setting, the location where the ink strikes the paper may change))

3.If after following the above steps the printout quality has not improved, verify the following.

„Head angle adjustment

„Head height adjustment

C H E When using the “Adj.B (or C) Head Slant” as well as the

PO I “Adj:PG Check Height” functions, always perform the Gap Adjustment or Bi-directional Position Adjustment operation.

Troubleshooting Troubleshooting Based on Your Printout 104