Epson Stylus Photo895 Service Manual page 67

EPSON Stylus PHOTO 895/785EPX/915/825
Table 3-14. Dot missing occur and it is not recovered with CL
Step
Detail phenomenon
No.
1. Check if the segment in
In the CL sequence,
the nozzle check patter
ink is ejected to the
is reduced every CL &
Waste ink pad (this
Nozzle check pattern
means pump unit & cap
printing.
unit are working
2
correctly). But, the dot 2. Check if any damage is
missing is not solved at observed on the Head
the specific nozzles FFC.
even if the several CLs
are performed.
1. Check if the Head FFC
In the CL sequence, ink
is connected to the CN8
is ejected to the Waste
and CN9 on the Main
ink pad. But, dot
board or Head FFC.
3 missing is occurred on
all nozzle in the printing
and is not solved in the
several CLs.
Troubleshooting
Check point Remedy
1. Replace the I/C with new
one in the I/C replacement
sequence.
2. Replace the Head FFC
with the new one.
3. Replace the printhead
with new one.
1. Connect the Head FFC
securely to the CN8 and
CN9 on the Main board or
Printhead.
2. Replace the Printhead
with new one.
3. Replace the Main board
with new one.
Troubleshooting with LED Error Indications
Table 3-15. Print quality is not good
Step
Detail phenomenon
No.
1. Check if each segment is
Uneven vertical banding
printed correctly in the
is appeared against the
nozzle check pattern.
CR movement direction.
2. Check if the surface of
the CR guide shaft dose
not have any sever stain.
CR Movement
Direction 3. Check if the surface of
the CR sliding portion on
the Paper eject frame has
enough oil.
1
4. Check if the CR guide
shaft is assembled in the
correct portion securely.
5. Check if the surface of
the CR guide shaft is flat.
6. Check if the surface of
the Paper eject frame is
flat.
Revision B
Check point Remedy
1. Perform the CL and check
the nozzle check pattern.
2. Clean the surface of the CR
guide shaft with the dry
soft cloth and lubricate G-
56 inside the CR guide
shaft.
3. Clean the surface of the CR
sliding portion on the Paper
eject frame and lubricate
specific amount of the
G-26.
G26 Lubrication
4. Reassemble the CR guide
shaft into the mounting slat
on the both side frame and
secure it with Rod spring.
5. Replace the CR guide shaft
with new one.
6. Replace the Paper eject
frame with new one.
7. Replace the following
parts.
• CR motor
• CR timing belt
• Compression spring 19.6
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