HP 59.x Error Codes: What 59.0, 59.C0 and 59.F0 Mean

An HP 59.x error code means one of the motors inside the printer failed to start, or started and then stopped turning at the expected speed. It does not name the motor, and it does not mean the motor is the failed part.

Here is the part most people skip. HP's own recommended first action for a 59.X error is not a parts order. It is power: turn the printer off, unplug it from any surge protector, UPS, or power strip, plug it straight into a wall socket, wait 30 seconds, and power back on. A weak circuit produces motor startup and rotation faults that look identical to hardware failure.

Updated: 2026-10-16

Contents

• [What an HP 59.x error code reports](#what-an-hp-59x-error-code-reports)
• [The 60-second power test](#the-60-second-power-test)
• [Reading the sub-code](#reading-the-sub-code)
• [The empty-machine test for 59.C0](#the-empty-machine-test-for-59c0)
• [When it really is the part](#when-it-really-is-the-part)
• [FAQ](#faq)

What an HP 59.x error code reports

The engine monitors each motor against a timing window. An HP 59.x error code fires when a motor misses its startup window or drifts out of its rotation window. That is a report about motion, not a diagnosis of a component.

Two failure modes matter, and they point in different directions:

• **Startup error**: the motor never began turning. Suspect load, binding gears, or power delivery.
• **Rotation error**: the motor turned, then lost sync. Suspect mechanical drag, a slipping gear, or a failing motor.

What people assume	What the code actually means
59.x = the motor is dead	A motor missed its timing window. The cause may sit downstream in the gear train.
One code, one motor	The sub-code identifies the motor. Several share a drive source with the fuser.
Cycle power and it is fixed	A reset that clears the code without fixing the cause usually returns within days.

The 60-second power test

Do this first. It is free.

Work through these steps before opening a single door.

1. Power off using the switch, not just the sleep button.
2. Unplug from any surge protector, UPS, or power strip.
3. Plug directly into a wall socket, ideally on a different circuit.
4. Wait at least 30 seconds, then power on and let it initialize.

HP documents this exact sequence for 59.XX errors, and it is the reason a shared office printer on a daisy-chained power strip throws motor codes that vanish on a wall outlet.

Office buildings with aged wiring are the usual setting. So are printers sharing a circuit with a space heater or a shredder.

Reading the sub-code

The digits after the decimal identify which motor raised the fault. HP's published 59.XX list maps them like this:

Code	Documented meaning	What to check first
59.30	Fuser motor startup error	Wall outlet power, then fuser seating
59.40	Fuser motor rotation error	Drive train drag, then fuser
59.70 / 71 / 72 / 73	Developer motor startup error, K / C / M / Y	The named color cartridge
59.80 / 81 / 82 / 83	Developer motor rotation error, K / C / M / Y	The named color cartridge
59.90	ITB motor start error	Transfer belt drive path
59.A0	ITB motor rotation error	Transfer belt, transfer roller
59.C0	Developer motor rotation error	Empty-machine test below
59.F0	Transfer alienation failure	Transfer separation mechanism

The color suffix is the useful part. A 59.71 points at the cyan position, which means you test one cartridge rather than replacing a board.

The empty-machine test for 59.C0

This is the highest-value step in the whole guide, and it takes about four minutes.

Power the printer off, then remove all four toner cartridges. Power it back on with the cartridge bay empty.

• If the panel asks you to install cartridges instead of throwing 59.C0 immediately, the internal motor is fine. One of the cartridges is seized.
• Reinsert them one at a time, closing the door between each. The color that triggers the code is the faulty one.

A seized drum or a broken cartridge gear drags the developer drive past its rotation window. The motor is doing its job by refusing to turn.

If the code fires immediately with an empty bay, the fault is upstream: the motor, its cable, or the drive board.

When it really is the part

Roughly half of the 59.x codes we see in the field resolve to a consumable or a seating issue. The rest trace to a worn drive component or a power supply that can no longer hold motor load.

Reported code	Likely failed part	What we supply
59.90 / 59.A0	ITB (transfer belt) drive assembly	[P1B93A transfer belt for FOR HP M652 M653 M681 M682 and E65050 E65150 series](https://www.sinosyn.com/product/p1b93a-hp-transfer-belt.html)
59.30 / 59.40	Fuser drive, or DC controller power stage	Fuser assemblies by series; see the [HP 50.x fuser error guide](https://www.sinosyn.com/new/hp-50x-fuser-error-codes.html)
59.70 to 59.83	Named color developer unit or cartridge	Developer units with carrier powder for FOR HP E78223 E78228 E78323 E78325 E78330
59.F0	Transfer separation mechanism	Check the transfer unit before ordering, this code reports position failure

The voltage rating matters when you order. Fusers are built for 110V or 220V, and the wrong one trips immediately or runs cold.

FAQ

Is a 59.x error always the main motor?
No. The sub-code names the motor, and the ones ending in 0 are often load problems rather than motor problems. 59.90 and 59.A0 point at the ITB drive, while 59.70 through 59.83 point at a specific color position.

Can I reset an HP 59.x error without parts?
Sometimes. HP's published first step is a 30-second power cycle after removing surge protectors and power strips. If the code returns on the next job, the cause is still present and no menu sequence will clear it.

What does 59.C0 mean on a color LaserJet?
HP documents 59.C0 as a developer motor rotation error, or a developer-disengagement motor fault. The empty-machine test separates a seized cartridge from a genuine motor or board fault in minutes.

Should I replace the whole printer when 59.x appears?
Rarely. On enterprise color machines the ITB assembly and the fuser are field-replaceable wear items, and either one can trigger a 59.x code long before the chassis is worn out. Check the sub-code, then the power source, then the named part.

Does 59.x affect print quality if I keep printing?
Do not print through it. A motor that will not turn means the drive train has stopped, and forcing cycles can strip gears or tear the transfer belt. Confirm the code, then resolve the cause.

What I'd Do Differently

The instinct on a 59.x code is to order the biggest part named in the message, usually a board or a motor. That instinct is expensive and often wrong.

Here is the honest version.

If I were standing at the machine again, I would run the power test first without exception, because a wall outlet settles the question in 60 seconds and costs nothing. Then I would photograph the full sub-code before opening any door, since most panels discard the code the moment a door cycles and the digits are what tell you which motor complained.

Then I would run the empty-machine test on any 59.C0 before ordering anything at all. Four minutes of cartridge swapping tells you whether you need a $40 cartridge or a $400 assembly, and that difference is the entire value of reading the code properly.

Warranty terms also matter here. Before ordering, confirm the part is still inside its coverage window, because most policies exclude maintenance items that have reached their rated page life.

Methodology, References & Caveats

Code definitions follow HP's published 59.XX error documentation and the separate 59.C0 entry, both quoted for definition only and not for repair advice. The startup-versus-rotation distinction and the numeric 59.0 / 59.1 / 59.2 scheme for older monochrome machines follow a field-maintained numeric error code listing.

The claim that roughly half of 59.x codes resolve to a consumable or seating issue is our own workshop observation, not a published figure. Sub-code wording varies across model families, and HP does not publish one unified list. Confirm against the service manual for your specific model before ordering parts, and check coverage before you assume an HP 59.x error means a new board.