hp click not detecting paper when changed

[Gracegirlz]

I have an HP t630 and when I change the paper the printer is not detecting the correct paper type and size. I have removed the app reinstalled it, restarted my Macbook, unplugged the printer turned it on and off several times, unloaded and reloaded he paper and nothing seems to be working. 

[Samrit26]

Hello,

Before I give you a direct resolution, I need a bit more detail — because on the DesignJet T630, incorrect paper detection can come from:

• Paper not aligned on the right reference edge

• Optical paper-advance sensor contamination

• Wrong paper category selected in the driver

• Roll-loader calibration loss

• Using iOS/Mac apps that override the printer’s front-panel settings

I don’t want to guess, so I need a few specifics:

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I need you to confirm the following:

1. Are you printing from:

• MacBook (macOS)

• iPhone/iPad (iOS)

• Or both?

(You mentioned iOS, but also restarting your MacBook — I want to make sure which workflow is failing.)

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2. What type of paper/roll are you loading?

• Plain 80gsm

• Bond

• Coated

• Glossy

• Heavyweight

• Non-HP roll?

• Width (24", 36", etc.)?

The T630 is sensitive to non-HP coated and glossy papers during the detection phase.

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3. On the printer’s control panel:

When you load the roll, what happens?

• Does it ask you to Select Paper Type?

• Does it mis-read the width (example: you load 36" but it detects 34")?

• Does it simply say “Paper type: Unknown”?

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4. Have you recently cleaned the paper-advance sensor region?

This is the optical sensor under the carriage path — if dust or paper fibers build up, the printer cannot detect width/type properly.

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Once you give me these details, I’ll provide the exact resolution steps such as:

• Correct roll-loading procedure

• Forcing paper type selection from the front panel

• Cleaning the left-side paper-edge sensor

• Resetting the paper-advance calibration

• Driver settings on macOS that override the printer

If the failure points to the internal sensor assembly, then the only path is depot repair (ship to repair center) — but I won’t assume that until we confirm the details above.