Printers: HP LaserJet M712 and M725MFP Problem: Close left door message or re-install duplexer message on control panel: There have been a few cases where the printer will display one of the above messages without the ability to print. The cause of this has been the rear fuser Read More

HP Enterprise LaserJet Series M601, M602 and M603 Series – Continuous Tray Lifting message on control panel Issue Description: The printer will not go to a ready state because there is a message on the control panel saying “Tray Lifting,” which will not go away. Cause/fix: Read More

There has been an increase in cases with the above listed printer series reporting a constant “TRAY 2 OPEN” message. In most occurrences we have found the only problem to be a weakened leaf spring – which is responsible for depressing a micro-switch to signal the DC Controller Read More

HP LaserJet P4014, P4015 and P4515 Printers HP Laserjet M601, M602 and M603 printers Grinding from the fuser or back of the printer There have been cases of a grinding noise in the fuser area or back of the printer. This symptom is similar to the swing plate assembly grinding on Read More

Printers: M251, M275, M276, M375,M475 and CM1415 The only way to change the pickup rollers on these rear feed printers is to rotate the roller to the service position – which is only accessible through the secondary service mode. Note: Do not attempt to rotate the roller Read More

LASERJET ENTERPRISE M806 LASERJET ENTERPRISE FLOW MFP M830 Paper Jam Error 13.B2.FF “jam in front door” Read More

Description: Printer boots up to 59.F0 Error and is unable to print. This behavior may be caused by one of the following three conditions: Transfer belt is locked up and cannot rotate. Sensor SR17 (primary transfer-roller-disengagement) is bad. Damaged or broken fuser drive gear. Read More

ISSUE: There are reports of Color LaserJet CP5525 printers failing with a black, blank, or no display on the control panel. These failures will show the following symptoms: Display is blank – no words or graphics are visible. The backlight of the display may be ON or OFF. The Read More

The firmware for the referenced Future smart devices resides on the Hard Disk Drive (HDD) or Solid State Disk (SSD) connected to the formatter. In certain circumstances, 99.09.XX errors are displayed on the control panel which indicates some action needs to be taken relative to Read More

There have been few cases of a grinding noise in the fuser area or back of the printer. This symptom is similar to the swing plate assembly grinding on the LJ 4250/4350 series, but this is not a swing plate as it does not have the ability to dis-engage the fuser, this is Read More

Issue: The Service Mode Pin for the HP LaserJet Enterprise M806 (documented as 10080613) will not work on models that were manufactured during the first several months of production. The Service Mode Pin for these models was mistakenly set on the printer as 10086013. Solution: Read More

There are certain variables i.e. paper type/weight, toner quality, print speed and fuser life that in certain combinations may require an adjustment to the fuser print mode if the toner is not properly bonding to the paper.  The newer FUTURESMART printers will have this option Read More

HP M525/M575/M775/M830 MFP Control panel out of calibration or not responding in the correct locations ISSUE: Customer reports that the control panel appears “out of calibration” or is not responding in the correct areas. For example, touching on the right side menu items causes Read More

Tech Tip – HP CM4540MFP / HP M4555 MFP Control panel out of calibration or not responding in the correct locations ISSUE: Customer reports that the control panel appears “out of calibration” or is not responding in the correct areas. For example, touching on the right side Read More

If the touch screen on the control panel is unresponsive or failing to in specific areas, follow these steps to calibrate it: Turn the product Off. Press and hold the number key (#) and the Clear key ©) while turning the product on. A dot will display in the upper left corner of Read More