HP DesignJet 100/110 error 35:01

Can you keep using it?

Contact customer support if any of these apply

!35:01 remains after the cleanout assembly has been reseated.
!The assembly will not sit correctly or looks damaged.

If the printer still starts normally: Finish the first checks once, then stop if the same message repeats or the printer still cannot return to ready.

What to check first

Step-by-step checks

1
Safe first step
Remove and reinstall the cleanout assembly carefully.
Start with the official recovery step before moving on to parts or deeper servicing.
2
Safe first step
Retry printer startup after the assembly is seated cleanly.
3
Escalate
Contact HP if the code remains after reseating.

Background

What this message usually means

HP uses 35:01 when the printer does not detect the cleanout assembly during media loading. The official first step is to remove and reinstall that assembly before deciding whether the fault needs support.

Diagnosis

Likely causes

Most common

The cleanout assembly is not seated correctly.

Common

The cleanout assembly was not detected during media loading.

Possible

The assembly or its sensor path needs inspection after removal and reinstallation.

Service

When service or replacement is more likely

-This is one of the few DesignJet codes where HP gives a specific reseat step before support escalation.

Related codes in this family

81:01

The paper axis shut down, usually because of a jam or blockage.

95:00

Printhead alignment failed and the process was cancelled.

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Where to go next

Back to DesignJet 100/110 series

Browse the rest of this printer range and compare nearby messages.

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Source notes

HP's official DesignJet 100/110 article says 35:01 means the cleanout assembly was not detected while loading media and recommends reseating it first.

Built from HP's official DesignJet 100/110 error-code article and the related support guidance for the 100, 100plus, 110 Color, and 110plus variants.

Printer error codes can vary a little by firmware, region, and exact model variant. Use this guide as a family-level starting point and stop if the next step would require disassembly or service-mode changes.

Known family variants: DesignJet 100, DesignJet 100plus, DesignJet 110 Color, DesignJet 110plus

Last reviewed: 2026-04-12

Reference: Open reference

35:01 - The cleanout assembly was not detected while loading media.