Epson DFX-9000 Service Manual page 124

Epson DFX 9000
Printing-related failure
The printout appears dirty, or there is ribbon ink or
contamination on the printout.
The printout is faint, or the printed characters have
uneven upper or lower edges.
Troubleshooting
Troubleshooting procedure
1. Verify that the ribbon cartridge is correctly installed.
2. Check that the ribbon is in good condition: no excessive wear, has not frayed, or
come unravelled. Replace the ribbon cartridge if necessary.
3. Clean the PRINT HEAD so that it is free of ink or ribbon dust.
4. If printing on forms or paper of uneven thickness, use SelecType and adjust the
settings for Platen Gap: Manual (0-14).
5. The following adjustments affect the platen gap: the
adjustment (p.227), the APTC thickness detection adjustment
APTC detection position adjustment
6. If you print on Overlapping Multipart Forms, use SelecType on the Control
Panel to change that setting to On.
7. Check and replace the (Auto Paper Thickness Control)
1. Replace the Ribbon Cartridge if it appears to be worn out.
2. Use SelecType to adjust the Manual Platen Gap.
3. The following adjustments affect the platen gap: the
adjustment (p.227), the APTC thickness detection adjustment
APTC detection position adjustment (p.241)
4. Replace the APTC UNIT (p.169).
5. Replace the PRINT HEAD
6. Replace the ROM BOARD
Troubleshooting
Card guide mount position
(p.241).
APTC UNIT
Card guide mount position
(p.152).
(p.137).
Revision B
(p.238), and the
(p.169).
(p.238), and the
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