HP Designjet L28500 HP Designjet L28500 Printer Series - User's guide - Page 147

The substrate is deformed or wrinkled, The substrate has shrunk or expanded

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If you experience jams only at the beginning of a print, try the following suggestions. ● Disable the automatic cutter. ● Go to the front panel and press , then , then Substrate > Substrate handling options > Extra bottom margin. Set the margin to 100 mm. If that is not enough, try higher values. This extra margin will apply only to jobs that start printing when the printer is idle and when the cutter is disabled. ● Increase the vacuum level in steps of 10 mmH2O. Do not exceed the following limits: 20 mmH2O for banners, 35 mmH2O for vinyl, and 50 mmH2O for other substrate families. ● Decrease the warm-up drying temperature in steps of 5°C. ● Decrease the warm-up curing temperature in steps of 5°C. ● Increase the number of passes. ● Make sure that the substrate is stored in the same room in which the printer is located. The substrate is deformed or wrinkled If your substrate is deformed or wrinkled by the drying and curing process, change the temperature settings before printing the next job, and advance the substrate, using the Move substrate option in the front panel's Substrate menu, so that the next job will be printed on undamaged substrate. If the problem appears only at the beginning of the print, try the following suggestions. ● Disable the automatic cutter. ● Go to the front panel and press , then , then Substrate > Substrate handling options > Extra bottom margin. Set the margin to 100 mm. If that is not enough, try higher values. This extra margin will apply only to jobs that start printing when the printer is idle and when the cutter is disabled. ● Increase the vacuum level in steps of 10 mmH2O. Do not exceed the following limits: 20 mmH2O for banners, 35 mmH2O for vinyl, and 50 mmH2O for other substrate families. ● Decrease the warm-up drying temperature in steps of 5°C. ● Decrease the warm-up curing temperature in steps of 5°C. ● Increase the number of passes. ● Make sure that the substrate is stored in the same room in which the printer is located. The substrate has shrunk or expanded During the printing process, some substrates may shrink, while others may expand. If this happens, the dimensions of the print will not be correct. As a general rule, you can expect the following percentages of shrinkage: ● Photorealistic: less than 0.4% ● Paper-Solvent, Paper-Aqueous: less than 0.5% ENWW The substrate is deformed or wrinkled 141

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If you experience jams only at the beginning of a print, try the following suggestions.
●
Disable the automatic cutter.
●
Go to the front panel and press
, then
, then
Substrate
>
Substrate handling
options
>
Extra bottom margin
. Set the margin to 100 mm. If that is not enough, try higher
values. This extra margin will apply only to jobs that start printing when the printer is idle and
when the cutter is disabled.
●
Increase the vacuum level in steps of 10 mmH
2
O. Do not exceed the following limits: 20 mmH
2
O
for banners, 35 mmH
2
O for vinyl, and 50 mmH
2
O for other substrate families.
●
Decrease the warm-up drying temperature in steps of 5°C.
●
Decrease the warm-up curing temperature in steps of 5°C.
●
Increase the number of passes.
●
Make sure that the substrate is stored in the same room in which the printer is located.
The substrate is deformed or wrinkled
If your substrate is deformed or wrinkled by the drying and curing process, change the temperature
settings before printing the next job, and advance the substrate, using the
Move substrate
option in
the front panel's
Substrate
menu, so that the next job will be printed on undamaged substrate.
If the problem appears only at the beginning of the print, try the following suggestions.
●
Disable the automatic cutter.
●
Go to the front panel and press
, then
, then
Substrate
>
Substrate handling
options
>
Extra bottom margin
. Set the margin to 100 mm. If that is not enough, try higher
values. This extra margin will apply only to jobs that start printing when the printer is idle and
when the cutter is disabled.
●
Increase the vacuum level in steps of 10 mmH
2
O. Do not exceed the following limits: 20 mmH
2
O
for banners, 35 mmH
2
O for vinyl, and 50 mmH
2
O for other substrate families.
●
Decrease the warm-up drying temperature in steps of 5°C.
●
Decrease the warm-up curing temperature in steps of 5°C.
●
Increase the number of passes.
●
Make sure that the substrate is stored in the same room in which the printer is located.
The substrate has shrunk or expanded
During the printing process, some substrates may shrink, while others may expand. If this happens, the
dimensions of the print will not be correct.
As a general rule, you can expect the following percentages of shrinkage:
●
Photorealistic: less than 0.4%
●
Paper-Solvent, Paper-Aqueous: less than 0.5%
ENWW
The substrate is deformed or wrinkled
141