L1800 Revision A
Troubleshooting Overview 33
Confidential
Borderless Printing Cannot make a borderless
printing (The printer prints with
margins despite the borderless
setting).
PW sensor 1. Check if the paper dust or scrap of the paper is attached to the
Front Paper Guide.
1. Remove the paper dust or scrap of the paper.
2. Check that PW adjustment has executed properly. 2. If the borderless printing still can not be made
after the adjustment, replace the PW Sensor
with a new one.
Refer to Chapter 4 “Adjustment”.
Pattern misalignment
for vertical lines and
such
The vertical lines are not aligned
at monochrome draft printing.
Adjustment 1. Check that BAND printing adjustment has executed properly. 1. Make the adjustment according to the specified
adjustment priority.
Refer to Chapter 4 “Adjustment”.
Blank print Inks are not ejected from Print
Head even though Carriage
moves and paper is fed.
Valve
(Valve Lever)
1. Check that Valve of Ink Tank opens. 1. Open Valve.
Ink Tube 1. Check that Ink Tubes are not crumpled. 1. Release crumpled Ink Tube.
Adapter
Ink Tube
Tube Joint
Ink Supply Tank
1. Check that Ink Tube connections are complete. 1. Reassemble Ink Tubes and compete their
connections.
Table 2-9. Abnormal Noise
Occurrence Timing Details of the Fault
Faulty Part/
Part Name
Check Point Remedy
– Printing operation is performed
normally but abnormal noise is
produced at power-on or during
operations.
Adjustment 1. Check that PF Belt Tension Adjustment has been executed
properly.
1. Make the adjustment according to the specified
adjustment priority.
Refer to Chapter 4 “Adjustment”.
Carriage Shaft 1. Check that the Carriage Shaft is fully lubricated with grease. 1. Wipe the grease applied to the Carriage Shaft
with a dry, soft cloth, and then apply grease (G-
71).
Refer to Chapter 5 “Maintenance”.
Table 2-8. Print Quality Troubles
Observed Faults Details of the Fault
Faulty Part/
Part Name
Check Point Remedy
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