Monochrome Maintenance Kit Reset Procedure Associated printer series: LaserJet 600 series (M601, M602, M603) LaserJet 700 series (M712) LaserJet M4555 MFP LaserJet 800 series (M806, M830 MFP) HP maintenance kit count resets have previously been in a startup or maintenance menu Read More

HP Color LaserJet series CM1312/CM2320/M351/M451/M375/M475 Paper Jam in Rear Door Issue: Paper jam in rear door message This problem is typically caused by the guide on top of the registration assembly being out of position. Physical damage to this specific part because of a Read More

NVRAM Reset procedures for HP PRO series 200, 300, 400 laser printers There is incorrect literature along with difficulty explaining key press locations for performing NVRAM resets on the mentioned printer series. A clarification as follows: Read More

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. *Do not attempt to rotate the roller manually this would render the printer inoperable Some service Read More

There are a few causes for the M600 series printers to display the 13.A2.D2 input jam i.e. worn rollers, defective pick up drive assembly (as the most common) but the least obvious is a broken/missing gear that transfers drive to the pick up roller, shown with paper feed roller Read More

Input Device Paper Jam For HP LJ9000/9000MFP/9040/9040MFP/9050/9050MFP/M9040MFP/M9050MFP/CLJ9500 Common component: C8531A Tray 4 High Capaticty 2000 sheet feeder Problem: consistant 13.11.05 input device paper jam when attempting to print from tray 4 Likely cause: Broken Pick up Read More

Most common printers involved: CLJ CM1015, 1017 – CLJ2600, 2605 – CLJ3000, 3600, 3800, CP3505, CLJ4600, 4650, CLJ4700, CP4005 CLJ5500, 5550 and a number of higher end single pass HP color printers. Problem: Either out of the blue or after replacing a laser scanner assembly, DC Read More

Problem Customers have reported the yellow cartridge not printing properly with a fade from right to left (seen below on the Yellow PQ Troubleshooting page) due to a problem with the yellow toner engaging or disengaging. Solution Check the paper feed assembly / Paper Input Unit Read More

Transfer Access Sensor Error Issue: Printer/MFP boots up with a Transfer access sensor error. Solution: 1. Check the 2nd-transfer-roller assembly and ensure it is properly seated. Clear area of any debris. 2. If the issue persists then replace the registration 2nd-transfer Read More

Replacing Formatter (CE988-67906) for HP M600 Series Printer The formatter board of the HP LaserJet Enterprise M600 Printer Series is a customer self replacement part. It is necessary to follow the procedures below in order to replace and reinstall the formatter and recover the Read More

Color M500 series – M600 series – CP5525 – CM4540 – M4555 – These firmware files require an interactive update method. You CANNOT update these Product(s)/Model(s) using the traditional FTP, LPR or Port 9100 methods of upgrading. Please use one of the following methods Read More

Question: How to disable / turn off power save function From the printer control panel select: 1. Administration > 2. General Settings > 3. Energy Settings > 4. Sleep Timer Settings > As seen below, uncheck the box indicatingSleep/Auto off after. Press SAVE Read More