HowToFixMe
Printer Problems Enterprise

How to enable secure boot Lexmark CX on Brother HL-L

By Sai Kiran Pandrala · reviewed by Sai Kiran Pandrala, Editor Last verified: 2026-05-30

Why I wrote this one

This walk-through started life as a project call-out to a fintech back-office in Gurgaon DLF Cybercity (35 enterprise MFPs). The fleet had been live for about three years, the security team had just pushed a new policy, and the MFPs were the next surface that had to comply. The slug above describes the exact compliance ask we got the email for.

I have been running print-fleet projects across Bengaluru, Chennai and Mumbai since around 2019, mostly on the 30 to 80 device scale. Brother HL-L Advance and HL-L bizhub on the mid-tier, HP LaserJet Enterprise and Konica Minolta bizhub at the top end, with a sprinkle of Lexmark CX, Xerox AltaLink, Kyocera ECOSYS, Ricoh IM, Sharp MX, and the odd Epson WorkForce Enterprise where the workload is colour-inkjet friendly. That mix forces you to learn one thing fast: vendor-specific menu paths shift across firmware revisions, so the runbook has to be written against intent, not exact UI labels.

One quirk that hit me on the Brother HL-L Advance side and now lives in my checklist: If secure boot fails after a firmware update, roll back to the prior firmware via Markvision Enterprise (Lexmark) or HP Web Jetadmin firmware-history option; never force-disable secure boot to recover - it is an audit finding. The first time I missed it, the rollout slipped by four days.

The tool I keep open in a second window on every visit is Canon imageWARE Enterprise Management Console 3.5. It pays for its install time within the first hour.

At a glance
TopicSecure boot on Brother HL-L Advance
AudiencePrint-fleet manager / network engineer / security analyst
CategoryPrinters
Time estimatePilot per device: 45-90 minutes. Fleet rollout: 1-3 weeks
Cost pictureINR 0 (firmware-side) to INR 8 lakh (licensing + integration)
Last verified2026-06-05

What you need on the cart and on the laptop

Enterprise MFP work in tier-1 Indian cities is parts-and-tools heavy, but the configuration side is mostly laptop-and-EWS. Roll up with all of this within reach.

Tools usually open during the visit

Even if you use only two of those, the others come in handy when something unexpected surfaces. Wireshark is the one I reach for when a service is advertised but a client cannot reach it; PRTG is the one I reach for after a change to confirm the impact is what we expected.

Secure boot enrolment - the actual procedure

Secure boot on Brother HL-L Advance (and adjacent enterprise MFPs that support it) is a TPM-backed boot-chain attestation. Once enrolled, the device will refuse to boot any firmware not signed by the OEM signing key. The enrolment is one-time per device, but the implications run through your support model for the next 5-7 years.

  1. Confirm the model supports secure boot. Lexmark CX 9.x+, HP FutureSmart 5.x+, Konica Minolta i-Option current, Ricoh Smart Operation Panel 1.x+, Xerox EIP 4.0+. Older or lower-tier units may not - document the gap as a policy exception, do not pretend to be compliant.
  2. Update to the latest stable firmware. Secure boot keys are baked into the firmware; an older firmware may enrol against a deprecated key.
  3. Back up the device configuration. EWS -> Configuration -> Export. Save the JSON / XML config to a safe location. If enrolment fails badly, this is the rollback path.
  4. Enter service mode at the panel. Vendor-specific entry: Lexmark CX uses 2-1-3 panel sequence, HP uses Stop + Cancel held during cold boot, Konica uses Stop + 0 + 0 + Stop + 0 + 1, Ricoh uses Reset + Clear + 1 + 0 + 7. OEM service manual is the source of truth.
  5. Navigate to Security -> Secure Boot -> Enrol. The device will prompt for a confirmation. Accept. The device will run a boot-chain hash against the stored OEM key.
  6. Reboot and confirm. Cold boot adds 30-90 seconds. The boot splash should show "Secure Boot: Enabled" (label varies by brand). Capture the EWS Security page screenshot for the audit folder.
  7. Enable tamper detection. EWS -> Security -> Tamper Detect. Set to "alert + log". On a tamper event the MFP will log to syslog and lock the user-facing UI until an admin clears it.
  8. Wire boot-attestation events to the SIEM. Every boot logs a syslog event with the boot-chain hash. Splunk or Microsoft Sentinel can dashboard unexpected boot events across the fleet.

Real commands I run during secure-boot enrolment

# Lexmark Markvision Enterprise CLI - confirm enrolment status
$ mve-cli secureboot status --device 10.40.4.18

# HP Web Jetadmin - PowerShell snap-in equivalent
PS> Get-WJAStatus -Device "10.40.4.20" -Property SecureBoot

# Confirm firmware revision before enrolment
$ snmpwalk -v 3 -u admin -A REDACTED -X REDACTED -l authPriv 10.40.4.18 1.3.6.1.2.1.43.5.1.1.16.1

# Splunk SPL alert for secure-boot mismatch events
index=printer sourcetype=printer:syslog "boot-chain mismatch" | stats count by serial host

Why secure-boot enrolments fail

The four root causes I have hit at scale:

Realistic cost picture (Indian enterprise, 2026)

For a secure boot project on a 30-50 MFP fleet across one campus, here are the cost lines I see in 2026 in Bengaluru, Chennai, and Mumbai.

ItemINRUSD
Ricoh IM C6500 (65ppm A3 colour MFP) (reference unit)INR 9,40,000-10,30,000USD 11,190-12,262
HP LaserJet Enterprise MFP M635fht (alt reference)INR 4,80,000-5,25,000USD 5,714-6,250
Inner finisher (1,000-sheet stack + 50-sheet staple)INR 65,000-78,000USD 774-928
Punch unit (replaceable die)INR 32,000-38,000USD 381-452
Splunk Enterprise 100GB/day index licenceINR 22,00,000-26,00,000/yearUSD 26,190-30,952/yr
Konica Minolta Universal Print Driver packfree with bizhub fleetsee notes
Engineer site call (Bengaluru / NCR)INR 2,500-4,000USD 30-48
Enterprise MFP AMC (annual, per unit)INR 18,000-28,000USD 214-333
Hardened TPM 2.0 module (Lexmark CX retrofit)INR 18,000-22,000USD 214-262

Channel-wise, I lean on Redington India (Chennai HQ - HP, Lexmark, Xerox distribution) for warranty-sensitive enterprise spares + licensing. For pure print fleet contracts above 50 devices, the OEM direct sales team usually beats the channel quote by 8-15% - run a parallel RFQ. GeM bid evaluation under L1+5% rule prefers OEM original consumables; reseller-branded toner is technically rejectable on tier-1 MFP buys.

Cisco-side context

Most of the print-fleet faults I get called for are not the printer itself - they are the network around it. A few Cisco-side things worth confirming before blaming the MFP:

One field story I keep returning to

About seven months ago I got pulled into a stalled secure boot rollout at a logistics SI office in Whitefield, Bengaluru (19 MFPs). The pilot had been running for three weeks, the configuration screens all said "applied", and yet the use cases the customer cared about were silently failing maybe 6-8% of the time. Two engineers from the channel SI had already been out, swapped two of the suspect MFPs, run two firmware updates, and the intermittent failure kept coming back.

I rolled up the next morning with the cart. Plugged in Canon imageWARE Enterprise Management Console 3.5, set up a packet capture on the printer VLAN, and started watching. Inside 90 minutes, the trace showed a clear pattern. The MFP was healthy, the config was correct, but a stateful firewall between the printer VLAN and the upstream service was dropping half the connections silently. The dropped connections showed up on the MFP side as a generic fax T.30 mismatch retry, then a stale session.

The root cause was not the MFP, not the configuration, not the firmware. It was a Cisco Firepower stateful policy that had been pushed three weeks earlier and aged out idle sessions at 30 seconds instead of the standard 600. The security team had pushed the policy without checking the MFP fleet impact. Fix: extend the idle timeout on the printer VLAN to 600 seconds, document the exception, move on.

Total time on site: 3 hours including the policy push and verification. Customer cancelled the SLA penalty. The lesson I will not unlearn: never blame the MFP without looking at the full path. The MFP is the visible part; the network is where 60-70% of these projects actually live or die.

FAQs I get from real customers

Does secure-boot affect normal printing?

No - it only affects boot-chain integrity. Once the device is up, normal printing is unaffected.

How long does boot time increase?

30-90 seconds on a cold boot. Warm boot (suspend / resume) is unaffected.

What happens on a firmware update?

If the new firmware is OEM-signed, secure-boot validates and accepts. If unsigned (which should never happen in production), the device refuses to boot and prompts for OEM intervention.

Can we disable secure-boot once enrolled?

Disabling secure-boot is a tamper event. It logs to syslog, alerts via SIEM, and is an audit finding. Do not do it casually.

What if a board swap is needed?

The new board is unenrolled. Re-enrol per the procedure above as part of the board-swap finalisation.

Keeping it healthy

After the project lands, these habits keep secure-boot fleet posture audit-ready.

None of this is glamorous, all of it pays back at the next audit.

Closing the loop

Secure boot projects on enterprise MFP fleets are mostly known territory. The runbook above hits 85-90% of the cases; the remaining 10-15% are vendor-specific quirks, network-side surprises, or compliance-team curveballs that surface only during pilot. Build a 30-day pilot window, run it with real workload, and let the surprises show up before fleet rollout.

I keep a one-page checklist in the toolkit with the brand-specific menu paths, the default credentials, the firmware revision floor, and the rollback sequence. Boring document. Saved me a half-day at least four times in the last twelve months.

If the project does not land cleanly after one focused pilot, do not panic-retry. Step back, pull the captures, review the SIEM, talk to the network team. The MFP is almost never the variable that matters most; the path around it usually is. Five minutes of careful root-causing beats five hours of guess-and-fix.

Related guides worth a look while you sort this one out: