• Code: 26:10
• Description: Ink System Failure. PHA, Service Station, Carriage PCA, Trailing Cables
• Remedy: Remote troubleshooting (call agent) 1. This error never appears in the Front Panel, it is only logged into the Error History and it is equivalent to the message: There is a problem with the printer or ink system. Turn printer off, then on. If the problem persists, contact HP. 2. See Ink system hardware troubleshooting.

• Code: 27:10
• Description: Generic Printer Error. Carriage PCA, Trailing Cables
• Remedy: Remote troubleshooting (call agent) 1. This error occurs only when the printhead is detected as faulty during first printer installation (Out Of the Box Experience). If it happens, follow printhead troubleshooting: see Printhead troubleshooting.

• Code: 41.1:10
• Description: Right Rear gear train failure. Bundle PCA, Multi-Sheet Tray
• Remedy: Remote troubleshooting (call agent) 1. Switch the power off and disconnect the power cord. Reconnect the power cord and power on the printer. 2. The call agent should arrange a service engineer visit to change the Right Rear Gear Train, and follow the onsite troubleshooting below • Right rear gear train • CQ890-67041 3. If a different system error is displayed then the call agent should perform the applicable troubleshooting procedure.
  Onsite troubleshooting and solution (service engineer) 1. Remove the Multi-Sheet Tray, see Multi-Sheet Tray Assembly and check that there is no paper jam or anything in the gear of the tray preventing the movement. 2. Remove covers and check that the cables from the Right Rear gear train to the Bundle PCA are correctly connected and not damaged. If any cable is disconnected then reconnect it, and power on the printer again to check whether the system error has disappeared. Important note: If any cable is damaged then order a Cable Service Kit. • Cables Sk • CQ890-67021 3. Replace the Right Rear Gear Train, see Right Gear Train Module. • Right Rear Gear Train • CQ890-67041 4. Replace the Bundle Board, see Bundle Board. • Bundle Board • CQ890-67022 5. Replace the Multi-Sheet Tray assembly, refer Multi-Sheet Tray Assembly • Multi-Sheet Tray assembly • CQ890-67007

• Code: 41:10
• Description: Paper Servo error. Feed Encoder Sensor PCA, Feed Index Sensor PCA, Feed Encoder Disk
• Remedy: Remote troubleshooting (call agent) 1. Switch the power off and disconnect the power cord. Reconnect the power cord and power on the printer. 2. The call agent asks the customer to go to Support Menu by pressing the Power key continuously for 15 seconds. 3. Go to 2 Diagnostics menu and run Paper Servo diagnostic, see 2.2 Paper servo. 4. After running the diagnostic the printer will show one of these system errors: • 41.2:10 arrange a service engineer to replace Paper/Feed motor and follow the Onsite Troubleshooting explained below, see Paper Motor. œ Paper Motor • CQ890-67036 • 85.2:10: need to replace Feed encoder sensor PCA and follow Onsite Troubleshooting explained on the 85.2:10 error • 5. The call agent should arrange a service engineer visit to replace the right part depending on the system error.
  Onsite troubleshooting and solution (service engineer) 1. Go to the Support Menu (see Entering the support menus) and run diagnostic 2.2 Paper Servo, see 2.2 Paper servo. If the system error continues, remove covers and check that all the cables are well connected to the Main PCA, specially the paper motor cable, and none of them are damaged. If any cable is not connected then reconnect it, and power on the printer again to check whether the system error has disappeared. Important note: If any cable is damaged then order a Cable Service Kit. • Cables Sk • CQ890-67021 2. If the 41.2:10 error continues then the Paper/Feed motor should be replaced. See Paper Motor. Paper Motor • CQ890-67036 3. Replace the Main PCA, see Main PCA. • Main PCA Basic • CQ891-67003 • Main PCA Pro • CQ890-67023

• Code: 42:10
• Description: Carriage servo problem. Trailing Cables, Carriage Board, Carriage Motor, Carriage Belt, Encoder Strip
• Remedy: Remote troubleshooting (call agent) 1. Switch the power off and disconnect the power cord. Reconnect the power cord and power on the printer. 2. The call agent asks the customer to go to Support Menu by pressing the Power key continuously for 15 seconds. 3. Go to 2 Diagnostics menu and run 2.1 Carriage Servo diagnostic, see 2.1 Carriage servo. 4. After running this diagnostic the printer will show one of these system errors: • 42.1:10 Replace the Carriage motor and follow the Onsite Troubleshooting described below, see Carriage Motor. œ Carriage Motor • CQ890-67006 • 02:10: Replace the Carriage Assembly and follow the Onsite Troubleshooting described below Carriage and Belt œ Carriage assembly w/belt (24) • CQ890-67002 œ Carriage assembly w/belt (36) • CQ893-67011 5. The call agent should arrange a service engineer visit to replace the right part depending on the system error.

• Code: 42:1:10
• Description: Carriage motor failure. Carriage Belt, Main PCA
• Remedy: Onsite troubleshooting and solution (service engineer) 1. Go to the Support Menu (see Entering the support menus) and run the diagnostic 2.1 Carriage Servo, see 2.1 Carriage servo. 2. Remove the covers and check that all the cables are well connected to the Main PCA, especially the Carriage motor cable, and that none of them are damaged. If a cable is not connected then reconnect it, and power on the printer again to check whether the system error has disappeared. Important note: If any cable is damaged then order a Cable Service Kit. • Cables Sk • CQ890-67021 3. Check that the Carriage Motor belt is not broken or out of place. If the belt is OK then the Carriage Motor should be replaced, see Carriage Motor. • Carriage Motor • CQ890-67006 4. If the belt was damaged, it should be changed. Order the belt service kit, see Carriage Belt. • Belt (24) • CQ890-67059 • Belt (36) • CQ893-67016

• Code: 45:10
• Description: Rewinder motor failure. Main PCA
• Remedy: Remote troubleshooting (call agent) 1. Switch off the printer, and disconnect the power cord. Reconnect the power cord and power on the printer. 2. The call agent should arrange a service engineer visit to change the Rewinder module, and follow the Onsite troubleshooting below. • Left Roll Support Pro • CQ890-67037 • Left Roll Support Basic • CQ890-67051 3. If a different system error is displayed then the call agent should perform the applicable troubleshooting procedure.
  Onsite troubleshooting and solution (service engineer) 1. Remove the covers and check that the cables of the rewinder module are correctly connected to the Main PCA, and that none of them is damaged. If any cable is disconnected then reconnect it, and power on the printer again to check whether the system error has disappeared. Important note: If any cable is damaged then order a Cable Service Kit: • Cables Sk • CQ890-67021 2. Replace the Left Roll Support, see Left Roll Support. • Left Roll Support Pro • CQ890-67037 • Left Roll Support Basic • CQ890-67051 3. Replace the Main PCA, see Main PCA. • Main PCA Pro • CQ890-67023 • Main PCA Basic • CQ891-67003

• Code: 51.1:10
• Description: Ink Cartridge Cover sensor failure. Main PCA
• Remedy: Remote troubleshooting (call agent) 1. Switch off the printer, and disconnect the power cord. Reconnect the power cord and power on the printer. 2. The call agent should arrange a service engineer visit to change the Ink Cartridge Cover Sensor PCA, and follow the Onsite troubleshooting below. • Ink Cartridge Cover Sensor • CQ890-67028 3. If a different system error is displayed then the call agent should perform the applicable troubleshooting procedure.
  Onsite troubleshooting and solution (service engineer) 1. Replace the Ink Cartridge Cover Sensor PCA, see Ink Cartridge Cover PCA Assembly. • Ink Cartridge Cover Sensor • CQ890-67028 2. Check that the cable of the Ink Cartridge Cover sensor is connected to Main PCA and is undamaged. If the cable is not connected then reconnect it, and power on the printer again to check that the error has disappeared. Important note: If the cable is damaged then order a Cable Service Kit. • Cables Sk • CQ890-67021 3. Replace the Main PCA, see Main PCA. • Main PCA Pro • CQ890-67023 • Main PCA Basic • CQ891-67003