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Manufacturer
Model
What This Guide Helps With
Troubleshooting absent, incomplete, faint, or failed recorder and network-printer output caused by paper, settings, connections, printer availability, or communication faults.
Step-by-Step Troubleshooting
1. Ensure Patient Safety First
Do not perform extended printer troubleshooting while the BeneView monitor is the only device supporting an actively monitored patient.
- Confirm that physiological monitoring and alarms remain operational.
- Transfer the patient to another verified monitor if testing requires restarting, disconnecting, or removing the affected monitor.
- Inform clinical staff that printed reports or waveform records may be unavailable.
- Preserve clinically required information through the approved electronic record or another verified monitoring device.
Expected outcome: Patient monitoring and required documentation continue without relying on the failed printer function.
Continue Clinical Engineering troubleshooting only when the monitor can be evaluated safely.
2. Confirm the Exact Output Failure
Determine whether the problem involves:
- No output from the integral thermal recorder
- Blank paper feeding from the recorder
- Faint, incomplete, or distorted printing
- Paper feeding incorrectly or jamming
- A report remaining queued or failing to start
- Only one report type failing
- Automatic alarm recordings failing
- A network printer not appearing or not responding
- A displayed recorder, paper, printer, or communication message
Record whether the failure is continuous or intermittent.
Expected outcome: The affected output method and symptoms are clearly identified.
3. Verify the Monitor Is Otherwise Operating Normally
Confirm that:
- The monitor is fully powered and responsive.
- Menus open normally.
- Patient data, waveforms, date, and time appear correctly.
- No startup, storage, network, or system error is displayed.
- Other functions are not frozen or unusually slow.
Restart the monitor only after it has been removed from patient use and according to facility procedures.
Expected outcome: The problem is isolated to report or recorder output rather than a broader monitor failure.
If normal output returns after a controlled restart, complete a functional test and stop.
4. Check the Requested Report and Print Selection
Verify that the correct output function was selected.
- Confirm whether the request is for a real-time waveform recording, alarm recording, trend report, review report, or other configured report.
- Verify that the intended recorder or network printer is selected.
- Check the report duration, waveform selection, paper speed, and other accessible print settings.
- Attempt a basic real-time report using known displayed waveform data.
The BeneView T Series provides report and printer selections through its print setup functions, while the recorder control can start or stop waveform recording.
Expected outcome: A valid report request is sent to the intended output device.
If the test report prints correctly, the original issue was likely report selection or configuration. Stop after confirming normal operation.
5. Inspect the Integral Recorder Externally
If the internal recorder is affected:
- Confirm that the recorder door is completely closed.
- Look for an out-of-paper, paper-jam, or recorder-related message.
- Inspect the paper exit for torn paper, adhesive residue, or another obstruction.
- Confirm that the paper roll is not empty, damaged, wet, or tightly bound.
- Do not insert tools into the recorder or force the paper mechanism.
The monitor is designed to provide a corresponding prompt when the recorder is out of paper or has another recognized recorder condition.
Expected outcome: The recorder is closed, unobstructed, and free of an obvious paper-related fault.
6. Verify the Paper Type and Orientation
Stop the recorder and open the paper compartment.
- Confirm that approved thermal recorder paper is installed.
- Verify that the roll is positioned in the correct feed direction.
- Pull a small amount of paper beyond the door before closing it.
- Confirm that the paper feeds straight and is not pinched.
- Replace curled, contaminated, damaged, or questionable paper with a known-good roll.
Thermal paper installed backward may feed while producing a blank printout. Improper paper installation can also cause poor feeding or print quality.
Expected outcome: Paper advances smoothly and printed information is visible.
If output is restored, print a test waveform and stop.
7. Evaluate Print Quality
If the recorder feeds paper but output is faint, incomplete, or distorted:
- Install a known-good roll of approved thermal paper.
- Check whether the defect appears across the entire paper width or only in one section.
- Verify that the recorder door closes evenly.
- Inspect accessible surfaces for visible paper fragments or contamination.
- Clean only externally accessible areas using the facility-approved procedure and manufacturer-compatible materials.
Do not scrape, abrade, or apply unapproved liquid directly to the thermal print head.
Expected outcome: The test print is dark, legible, evenly aligned, and complete.
Persistent missing lines or consistently poor output may indicate a print-head, roller, recorder, or internal connection fault.
8. Check Recorder Response and Controls
Press the recorder control and observe whether:
- A tone, message, or status change occurs
- Paper movement begins
- The recorder starts and immediately stops
- The control is unresponsive
- The monitor reports that the recorder is unavailable
Try starting the same report through the on-screen menu when available. This helps distinguish a recorder-control problem from a recorder or configuration problem.
Expected outcome: Both the physical control and menu request produce the expected recorder response.
If only one control method fails, document the specific failure and escalate for bench evaluation.
9. Verify Automatic Recording Configuration
If manual reports print but alarm recordings do not:
- Confirm that automatic alarm recording is enabled for the applicable parameter.
- Verify that the alarm type and priority are configured to generate a recording.
- Check that alarms are not globally paused or disabled.
- Use a simulator and an approved test setup to create a controlled alarm condition.
- Do not test alarm recording on an active patient.
The manufacturer’s recorder check includes verifying that enabled automatic alarm recordings are triggered when parameter alarms occur.
Expected outcome: A configured alarm condition produces the appropriate recording.
If manual recording works but automatic recording does not, investigate configuration before concluding that the recorder has failed.
10. Check the External or Network Printer
If reports are directed to a network printer:
- Confirm that the printer is powered on and shows a ready status.
- Check the printer for paper, toner, door-open, offline, or jam indications.
- Confirm that another device can print to the same printer when permitted.
- Inspect the monitor’s network cable and wall connection.
- Verify link indicators at accessible network ports.
- Confirm that the correct printer is selected in the monitor’s printer setup.
- Compare the printer address and monitor network configuration with the approved facility records.
BeneView network printing requires the monitor and printer to communicate across the network, and the printer can be located through the monitor’s printer setup search function.
Expected outcome: The selected printer is online, reachable, and available to the monitor.
If the printer is unavailable to multiple devices, refer the printer or network issue to the responsible support team.
11. Isolate the Network Connection
When authorized:
- Test with a known-good network cable.
- Test the monitor on a verified network port assigned for medical-device use.
- Confirm that no duplicate IP address or recent network change is reported.
- Search for the approved printer again through the printer setup menu.
- Avoid changing IP addresses, VLANs, gateways, or security settings without approved network documentation.
Expected outcome: The monitor locates the approved printer and successfully sends a test report.
If replacing the cable or correcting the external network connection restores printing, document the correction and stop.
12. Perform a Final Functional Test
After correcting an external cause:
- Print a real-time waveform or normal report.
- Verify that identifying information, date, time, values, and waveforms are legible.
- Confirm that paper feeds and cuts or tears normally.
- Verify that no recorder or printer error remains.
- Test automatic alarm recording when it was part of the original complaint.
- Confirm network printing separately if that feature is used.
A successful recorder check should produce a clear waveform printout and recover normally after paper-related conditions are corrected.
Expected outcome: All required report functions operate consistently without error.
Return the device to service only after the affected output functions pass verification.
If the Problem Persists
If paper, orientation, controls, settings, report selection, printer condition, cabling, and accessible network connections have been ruled out, the failure is likely associated with the recorder assembly, print head, internal recorder connection, power supply, software configuration, storage subsystem, or network interface.
The device should be:
- Removed from service when the failed output is required for its intended clinical use
- Labeled Out of Service
- Sent for repair or controlled bench evaluation
- Evaluated using the appropriate Mindray service documentation and approved test equipment
Do not perform unapproved internal disassembly at the bedside. Knowing when external causes have been exhausted is proper troubleshooting.
Clinical Use Tip
Do not restart, disconnect, or extensively test an actively used monitor solely to restore printing. Stabilize monitoring first and preserve required clinical information through an approved alternate method.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Clinical staff reported that the BeneView T Series monitor fed paper but produced blank waveform recordings."
Cause
What was observed during troubleshooting.
Example:
"The thermal paper roll was installed with the non-printing surface facing the recorder print head."
Resolution
What action was taken.
Example:
"Reinstalled the paper in the correct orientation and verified clear manual waveform and alarm-triggered recordings using a patient simulator."
Helpful Details to Include (If Known)
- Monitor model and serial number
- Software version
- Internal recorder or network printer affected
- Report type that failed
- Displayed printer or recorder message
- Paper type and orientation checked
- Known-good paper roll installed
- Recorder door and paper path inspected
- Manual recording tested
- Automatic alarm recording tested
- Network cable or port tested
- Printer name and IP address
- Printer ready or offline status
- Output blank, faint, distorted, or incomplete
- Unusual sounds, heat, or odor
- Controlled restart performed
- Final device status
Final Thought
Printer failures should be approached by protecting the patient first, identifying the affected output method, and checking paper, settings, accessories, and network availability before suspecting internal hardware. Clear CCR documentation supports safe return to service or efficient repair escalation.
That is successful troubleshooting.