Troubleshooting Guide
2-28
Panel display
Code
(last 4
digits)
Large LCD
Small LCD
1
Small
LCD 2
Explanation/Detection sequence
Remedial Action
(★: Reference fault
isolation procedure
or tool)
2823 Hardware error.
03010000-2823
Turn off printer,
wait, then
turn on again.
Power
On
Again
Invalid
Head
Chk
Head check error Go to ★2F2F
(P3-6).
Cannot adjust
optic axis.
Press Online to
clear the error.
2824
Cannot adjust
optic axis.
OnlineKe
y: Press
To Clear
Error
Optic
Axis Adj
Error
Optical axis unadjustable (which does not
occur when in User mode)
An adjustment pattern has not been printed.
The optical axis deviates from the correct
position by ±3 mm or more.
Check the paper
(paper type
check).
Run a nozzle
check and, if a
fault is detected,
go to ★2F2F
(P3-6).
If no fault is
detected, go to
Flow 1 in ★2010
(P3-12).
2825 This type of media
is not compatible
with HP-GL/2.
Paper type not compatible with HP-GL/2 has
been specified.
Check the paper.
2826 LFNG XXX XXX
XXX XXX
press OK key (XXXX
is a measured
value.)
When executing LF unevenness auto
diagnostic processing, the multisensor read
value has gone outside the predefined scope
(Service mode only).
Check the paper.
Check the
multisensor.
Check the
multisensor in
Flow 1 in ★200C.
Execute printhead
cleaning. If this
message is still
displayed, replace
Printhead.
Execute printhead
cleaning. If this
message is still
displayed, replace
Printhead.
[Stop: Stop Printing
2827
2828
2829
Execute printhead
cleaning. If this
message is still
displayed, replace
Printhead .
Printing stopped.
[OK]
Printhead non-discharge error
(Replace printhead/ continued printing not
allowed)
At start of printing the number of non-ejecting
nozzles is more than 320 per color (1 chip).
2827: Both L and R, or single printhead
model
2828: R printhead
2829: L printhead
* For the detailed head non-ejection errors,
see section 280C.
①Execute
cleaning.
②Replace
printhead.
If the problem
persists, go to
★2F2F (P3-6）.
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