• Code: 55.X
• Display: 55.X PRINTER ERROR
• Description: The DC controller is not communicating with the formatter. The problem could be caused by a timing error or an intermittent connection. (Event log only) 55.01.00 - DC controller memory error. 55.5 - HP 3700 only - A job was sent while Resend Upgrade is on the display.
• Remedy: 1. Press OK to continue. 2. If the message persists, turn the printer off and then back on. 3. Reseat or replace the connectors between the DC controller and the formatter. 4. If the problem persists, replace the DC controller PCB. 5. Replace the formatter. For the following specific error, perform indicated action. 55.01.00 - Replace the DC controller PCB. 55.5 - Do not replace the DC controller PCB or formatter PCB. Resend the firmware upgrade before sending any more print jobs.

• Code: 57.4
• Display: 57.4 PRINTER ERROR
• Description: A printer fan error has occurred as a result of a faulty fan connection, fan or DC controller.
• Remedy: 1. Turn the printer off and then back on. 2. Reseat the DC controller PCB connector J1024. 3. Replace the fan. 4. Replace the DC controller PCB.

• Code: 59.XY
• Display: 59.XY PRINTER ERROR
• Description: A printer motor error has occurred. X and Y are detailed below. X Description: 5 - Primary transfer roller engaging motor (M5) startup error. 6 - Primary transfer roller engaging motor (M5) rotation error. 7 - Developer motor (M4) startup error. 8 - Developer motor (M4) rotation error. 9 - Drum motor (M3) startup error. 9 - (when Y is also 9) - Secondary transfer engaging mechanism error. A - Drum motor (M3) rotation error C - Delivery motor (M2) rotation error Y Description: 0 - No color K - Black C - Cyan M - Magenta Y - Yellow
• Remedy: 59.7Y and 59.8Y Error on control panel Error occurred when the developing motor started or while the developing motor was rotating. For all the following errors perform the actions listed below 59.5Y and 59.6Y - Error on control panel. 59.05.00 and 59.06.00 - Event log only. An error occurred when the primary transfer roller engaging motor started or while the motor is rotating. 1. The connectors in the primary transfer roller engaging motor drive signal line are not connected properly. Reseat the motor connector J5005 and the DC controller PCB connector J1014. 2. Faulty primary transfer roller engaging motor. Replace the motor. 3. Faulty DC controller PCB. Replace the DC controller PCB. 59.7Y Control Panel Message 59.07.00 - (HP 3700 only; event log only) 59.07.ZZ - (HP 3500 only; event log only) ZZ is color: 00 - Black 01 - Cyan 02 - Magenta 03 - Yellow 59.8Y Control Panel Message 59.08.00 - (HP 3700 only; event log only) 59.08.ZZ - (HP 3500 only; event log only) ZZ is color: 00 - Black 01 - Cyan 02 - Magenta 03 - Yellow 1. The connectors in the developing motor drive signal line are not connected properly. Reseat the developing motor connector J5006 and the DC controller PCB connector J1019. 2. Faulty developing motor. Replace the developing motor. 3. Faulty DC controller PCB. Replace the DC controller PCB. 59.90 and 59.A0 Errors on control panel 59.09.00 (event log only) 59.10.00 (event log only) An error occurred when the drum motor started or while the drum motor was rotating. 1. The connectors in the drum motor drive signal line are not connected properly. Reseat the drum motor connector J5002 and the DC controller PCB connector J1019. 2. Faulty drum motor. Replace the drum motor. 3. Faulty DC controller PCB. Replace the DC controller PCB. 59.99.00 - (event log only) An error occurred in the secondary transfer engaging mechanism. 1. Faulty secondary transfer engagement sensor. Replace the secondary transfer engagement sensor. 2. Faulty secondary transfer engaging solenoid. Replace the secondary transfer engaging solenoid. 3. Faulty feed motor. Replace the feed motor. 4. Faulty DC controller PCB Action: Replace the DC controller PCB. 59.C0 Error on control panel 59.12.00 (event log only) An error occurred in the developing engaging mechanism. 1. The movement of the developing engaging lever is not smooth. Make the movement of the lever smooth. Replace the gear for the lever, if damaged. 2. Damage on the drive gears. Check each drive gear between the delivery motor and the developing engaging clutch. Replace any, if damaged. 3. Faulty developing engaging sensor lever Reseat the developing engaging sensor lever to the correct position if its movement is not smooth or it is out of position. Replace the lever if it is damaged or deformed. 4. Faulty developing engaging sensor. Replace the developing engaging sensor. 5. The connectors in the developing engaging clutch drive signal line are not connected properly. Reseat the connectors J5014 and J1019 between the developing engaging clutch and the DC controller PCB. 6. The connectors in the delivery motor drive signal line are not connected properly. Reseat the connectors J5004 and J1016 between the delivery motor and the DC controller PCB. 7. Faulty developing engaging clutch. Replace the developing engaging clutch. 8. Faulty delivery motor. Replace the delivery motor 9. Faulty DC controller PCB. Replace the DC controller PCB.

• Code: 62
• Display: 62 NO SYSTEM
• Description: No system was found.
• Remedy: 1. Turn the printer off and then back on. 2. HP 3700 only - reseat the firmware DIMM. Make sure it is in slot 1 (the bottom slot). 3. Download new firmware (HP 3700 - try downloading through the parallel port). 4. Replace the firmware DIMM.

• Code: 64
• Display: 64 PRINTER ERROR
• Description: Scan buffer error.
• Remedy: 1. Turn the printer off and then back on. 2. Perform a cold reset. 3. HP 3700 only - replace the firmware DIMM. 4. Replace the formatter PCB.

• Code: 68.X
• Display: 68.X PERMANENT STORAGE FULL
• Description: A non-volatile storage device is full. Press OK to clear the message. Printing can continue, but there could be unexpected behavior. X Description: 0 - for onboard NVRAM 1 - for removable flash disk
• Remedy: 1. Press OK to continue. 2. For the following errors, perform the indicated action. 68.0 - turn the printer off and then back on. If the error persists, execute an NVRAM initialization. 68.1 - use the HP Web Jetadmin software to delete files from the flash disk.

• Code: 68.X
• Display: 68.X PERMANENT STORAGE WRITE FAIL
• Description: A non-volatile storage device is failing to write. Press OK to clear the message. Printing can continue, but there could be unexpected behavior. X Description: 0 - for onboard NVRAM. 1 - for removable flash disk.
• Remedy: Press OK to continue. 2. For the following errors, perform the indicated action. 68.0 - turn the printer off and then back on. If the error persists, execute an NVRAM initialization. 68.1 - use the HP Web Jetadmin software to delete files from the flash disk.

• Code: 68.X
• Display: 68.X STORAGE ERROR SETTINGS CHANGED
• Description: One or more printer settings saved in the non-volatile storage device is invalid and has been reset to its factory default. Press OK to clear the message. Printing can continue, but there could be unexpected behavior. X Description: 0 - for onboard NVRAM. 1 - for removable flash disk.
• Remedy: 1. Press OK to continue. 2. Turn the printer off and then back on. 3. Check the printer settings to determine which settings have been changed