Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD
Revision G
TROUBLESHOOTING Troubleshooting without Error Message 78
Confidential
Paper ejection error
Carriage error
Table 3-18. Troubleshooting Paper Ejecting Problems
Problem Possible Cause Check point Remedy
Paper get jammed before
being ejected
Paper feed operation failure
Does the PF Roller rotate normally and is the rotational
force transmitted to the EJ Roller correctly?
Install the PF Motor properly and apply proper tension to the PF
Timing Belt.
(See "5.3.3 PF Timing Belt Tension Inspection" (p.235).)
EJ Roller operation failure Does the EJ Roller rotate normally?
EJ Frame operation failure Does the EJ Frame move normally?
Replace the Printer Mechanism with a new one.
(See "4.2.1 Parts transferred from the old printer when replacing
the Printer Mechanism" (p.108).)
The CDR Tray does not
come out.
CDR Tray operation failure
Are the dowels of the arms of the CDR Tray Assy correctly
attached with the grooves of the CDR Guide Base Assy/
Lower Paper Guide Assy?
Install the CDR Tray Assy correctly.
(See "4.2.5.9 CDR Tray Assy" (p.153).)
Table 3-19. Troubleshooting Carriage Movement Problems
Problem Possible Cause Check point Remedy
The movements of Carriage
Unit during printing is
abnormal
Something is obstructing the Carriage
movements.
Is there any obstructions on the Carriage path? Remove the obstructions.
Does the Carriage Unit move smoothly when it is manually
moved?
Clean the Carriage Shaft/CR Guide Plate and lubricate it as
specified. (See "6.1.3 Lubrication" (p.243).)
Does the Head FFC have an adequate slack and not
interrupting the Carriage movement? Check the FFC status
by manually moving the Carriage Unit from side to side.
Route the Head FFC correctly on the Main Frame.
(See "4.4 Routing FFC/cables" (p.196).)
Is the routing of the Ink Supply Tube Assy correct? Check
it and smoothness by manually moving the Carriage Unit
from side to side to both ends.
Route the Ink Supply Tube Assy.
(See "4.2.5.6 Ink Supply IC Holder Assy" (p.144).)
Is the CR Guide Plate correctly installed?
Replace the Printer Mechanism with a new one.
(See "4.2.1 Parts transferred from the old printer when replacing
the Printer Mechanism" (p.108).)
Is the PG adjustment appropriate?
Carry out the PG adjustment again.
(See "5.3.1 PG Adjustment/PG Inspection" (p.229).)
Is the tension of the CR Timing Belt appropriate?
Carry out the CR belt tension inspection. If it is still not
appropriate, replace the Printer Mechanism with a new one. (See
"5.3.2 CR Timing Belt Tension Inspection" (p.234), "4.2.1 Parts
transferred from the old printer when replacing the Printer
Mechanism" (p.108).)
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