Epson Stylus Photo RX700 Service Manual page 68

EPSON Stylus Photo RX700
Faulty print
Condition Cause
Printhead surface is dirty (dots missing) Alternate cleaning and test printing several times.
Capping absorbent material is in contact
Improper printing
with Printhead surface
occurs only with
specific dots
Head FFC not operating properly
Printhead not operating properly
Printhead surface is dirty (dots missing) Alternate cleaning and nozzle check several times.
Dots are
Ink Cartridge not operating properly
sometimes
Faulty connection inside the Head FFC
missing
Printhead not operating properly
Head FFC is not connected
Black spots or dots
are printed
Printhead not operating properly
Vertical lines are
Bi-D adjustment is not made
not in alignment
Dirt is adhering to CR Guide Shaft
PF Roller not operating properly
Ink Cartridge not operating properly
Carriage Slide not moving properly
Platen Gap not set properly
White lines appear
in output data
Gear is damaged
Dot jet direction is angled due to dirt on
Printhead surface
Printhead not operating properly
CR Guide Shaft not operating properly
Troubleshooting
Table 3-8. Diagnostics when printing is abnormal
Check Point
Check for deformed or damaged capping absorbent material.
Check for damaged Head FFC.
Alternate cleaning and nozzle check several times.
Install a new ink cartridge and perform nozzle check.
Use a tester to check the FFC.
Repeat cleaning several times, then perform nozzle check.
Check to see if FFC is firmly connected to each board and
Carriage Unit.
Check connection of Head FFC to Printhead.
Check to see if Bi-D adjustment has been done properly.
Check for dirt adhering to surface of CR Guide Shaft.
Check for dirt on PF Roller.
Check for damaged PF Roller.
Install a new ink cartridge and test printing.
Check to see if sufficient grease is remaining on carriage slide
parts at back of main frame.
Check to see if platen gap adjustment has been done properly.
Check for abnormality in gears between pump mechanism and
ASF mechanism.
Alternate cleaning and test printing several times.
Check for debris on Cleaner Blade.
Repeat cleaning several times, and then perform test print.
Check to see if CR Guide Shaft is firmly installed in specified
position.
Check for damage on surface of CR Guide Shaft.
Troubleshooting for Printer
Remedy
Clean the Printhead surface with a cotton swab.
Replace the Ink System Assy.
Replace the Head FFC.
If condition does not improve after cleaning, replace the Printhead.
Clean the Printhead surface with a cotton swab.
Replace the ink cartridge.
Replace the Head FFC.
If condition does not improve after cleaning, replace the Printhead.
Connect the FFC firmly.
If there is no problem with the Head FFC to Printhead connection,
replace the Printhead.
Perform Bi-D adjustment.
Clean the surface of the CR Guide Shaft with a soft dry cloth.
Carefully clean the surface of the PF Roller with a soft brush.
Replace the PF Roller.
Replace the ink cartridge.
Clean the main frame carriage slide parts and lubricate with a specified
quantify of G-70. (See " Lubrication of Carriage Assy"
Adjust platen gap. (See " PG Adjustment"
Replace the damaged parts.
Clean with a cotton swab.
Clean or replace the Cleaner Blade.
Replace the Printhead.
Reassemble the CR Guide Shaft.
Replace the CR Guide Shaft.
Revision A
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