HP Designjet 4520ps 42 in User Manual

Front panel messageSuggested action
Sheet too long.During the load process the printer has detected that the sheet is too long to be
loaded properly. Make sure that the printer expects sheet and not roll. Press
the Select key to try to load the paper again. See 
Functional specifications
on page 208.
Lever  lifted. During the load process the paper load lever was lifted. This prevents the printer
from loading the paper. Press the Select key to load the paper again.
The paper cannot be loaded successfully...

Check printhead path
1.Switch off the printer at the front panel, then also switch off the power switch at the rear.
2.Open the window.
3.Try to move the printhead carriage out of the way.
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Paper problems
 

4.Lift the paper load lever as far up as it will go.
5.Carefully remove any of the jammed paper that you can lift up and out from the top of the printer.
6.Carefully pull the rest of the roll or sheet down and out of the printer.
7.Switch on the printer.
8.Reload the roll, or load a new sheet. See 
Load a roll into the printer [4020] on page 24 or Load a
single sheet [4020] on page 28.
9.If you find that there is still some paper causing an obstruction within the printer, it can often be
cleared by...

●84.2x:01 indicates a paper jam in drawer 2 (see A paper jam in drawer 2 [4520] on page 142).
●86:01 indicates that the printhead carriage cannot move from side to side.
If you press the Select key, the front panel will display an animation showing how to recover from the
paper jam. This animation can be viewed at any time by selecting the 
 icon, then > Printer
configuration > Clean drawer roller. Alternatively, you can refer to this document (see below).
Check printhead path
1.Switch off the printer at...

4.Lift the drive pinch lever as far up as it will go.
5.Lift the roll 1 paper load lever.
6.Lift the roll 2 paper load lever.
7.Lift the lower drawer upwards a little, then pull it towards you as far as it will go.
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Paper problems
 

8.Cut the paper.
9.Remove the roll.
10.Lift the upper drawer upwards a little, then pull it towards you as far as it will go.
11.Cut the paper.
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12.Remove the roll.
13.Lower the lock lever on the left.
14.Lower the lock lever on the right.
15.Pull the front path towards you as far as it will go.
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Paper problems
 

16.Try to move the printhead carriage out of the way.
17.Carefully remove any of the jammed paper that you can lift up and out from the top of the printer.
18.Push paper inwards on the platen.
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19.Carefully pull the rest of the paper down and out of the printer. Look to see if there any loose pieces
of paper left in the paper path.
20.Push the front path back into place.
21.Lift the lock lever on the left.
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22.Lift the lock lever on the right.
23.Push the upper drawer back into place.
24.Push the lower drawer back into place.
25.Lower the drive pinch lever.
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Paper problems