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 by Error Message 66
Confidential
At power-on
The Carriage Unit
movement is too slow.
Carriage Shaft
1. Is the Carriage Shaft free from dirt, and adequately
lubricated?
1. Clean the Carriage Shaft and
lubricate it as specified.
"6.1.3 Lubrication" (p.243)
CR Guide Plate
1. Is the CR Guide Plate free from dirt, and adequately
lubricated?
1. Clean the CR Guide Plate and
lubricate it as specified.
"6.1.3 Lubrication" (p.243)
Ink Tube
1. Is the Ink Tube correctly routed? 1. Route the Ink Tube correctly. "4.2.5.6 Ink Supply IC
Holder Assy" (p.144)
Head FFC
1. Is the Head FFC correctly routed? 1. Route the Head FFC correctly. "4.4 Routing FFC/cables"
(p.196)
---
1. Is the Carriage path contaminated with foreign material
(slip of paper)?
1. Remove any foreign material
from Carriage path.
---
The Carriage Unit makes
abnormal noise during
operation (Slipping of CR
Timing belt)
CR Timing Belt,
Timing Driven
Pulley Assy
1. Is the CR Timing Belt correctly installed to Timing
Driven Pulley Assy?
1. Replace the Printer Mechanism
with a new one.
"4.2.1 Parts transferred
from the old printer when
replacing the Printer
Mechanism" (p.108)
2. Is the CR Timing Belt correctly installed to the Pinion
Gear of the CR Motor?
2. Replace the Printer Mechanism
with a new one.
CR Timing Belt,
Driven Pulley Assy
1. Is tension of the CR Timing Belt appropriate? 1. If the tension of the CR Timing
Belt is still not appropriate,
replace the Printer Mechanism.
• "4.2.1 Parts transferred
from the old printer when
replacing the Printer
Mechanism" (p.108)
• "5.3.2 CR Timing Belt
Tension Inspection"
(p.234)
PF Motor does not operate
at all.
PF Motor
1. Is the PF Motor cable properly connected to CN22
connector on the Main Board?
1. Connect the PF Motor cable
correctly to CN22 connector on
the Main Board.
"4.2.4.2 Main Board /
Grounding Plate M/B"
(p.126)
2. Is the PF Motor cable damaged? 2. Replace the Printer Mechanism
with a new one.
"4.2.1 Parts transferred
from the old printer when
replacing the Printer
Mechanism" (p.108)
3. Does the PF Motor operate normally? 3. Replace the Printer Mechanism
with a new one.
CR lock is not released and
a fatal error occurs
Main Board 1. Check if the firmware is the latest. 1. Update the firmware to the latest. ---
Ink System
1. Check if the CR lock lever moves smoothly. 1. Replace the Ink System with a
new one.
"4.2.5.7 Ink System"
(p.147)
Table 3-5. Check point for Fatal error according to each phenomenon (Printer Mechanism)
Occurrence
Timing
Symptoms
Failed Part /
Part Name
Check Point Remedy Reference
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