Appendix
263
CAP/WIPE/PURGE (C/W/P) CHECK LIST
1.
Verify C/W/P belt alignment.
Is the C/W/P out of alignment?
YES
NO
Go to #2
YES:
Perform C/W/P belt alignment procedures. Go to
step 2.
2.
Print Service Test Print 2: Weak and Missing Jets.
Is there color mixing from one row to the next row for the same jet?
YES
NO
Go to #3
YES:
Replace C/W/P. New C/W/P may take 6 purges before optimal performance. Repeat
step 2.
3.
Visually check the printhead faceplate.
Are there streaks or smudges of wax in the jet area of the printhead?
YES
NO
Go to # 4
YES
, replace C/W/P. New C/W/P may take 6 purges before optimal performance. Go to
step 2.
4.
Visually check the C/W/P wiper gasket.
Is there any separation on the wiper blade, or pitting of the C/W/P gasket?
YES
NO
Go to # 5
YES
, replace C/W/P. New C/W/P may take 6 purges before optimal performance. Go to
step 2.
5
. Check the
Purge Performance
.
BEFORE running the diagnostic test, empty the Waste Bin. Then enter diagnostics mode and select
the "Cap Vacuum" test from the Check menu.
Enter the diagnostic results:
R0:_____________(normally 20-200)
R1: _____________(normally 40-1600)
R2: _____________(normally 3000-8000)
Select "Unlock DM Tray" from the Function menu. Remove the maintenance tray and note whether
or not a normal volume of ink was purged from the printhead (Note: the Phaser 860 purge volume is
about half as much as the Phaser 840/850).
Purge Volume:
NORMAL
LOW
5a.
Are either R0 or R1 outside their normal ranges?
YES
NO
Go to #5b
YES
, Something may be obstructing the printhead tilt mechanism. R0 is a measurement of the current
needed to tilt the printhead. R1 measures the amount of gear train slack in the tilt mechanism.
Continued on next page…
Summary of Contents for Phaser 840
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