• Code: 908.00
• Description: Service engine error PPM data failure An incorrect NVM data is saved on the PPM.
• Remedy: 1 Perform a POR. Does the error occur when the power is turned off/on? Go to step 2. Perform several print tests. If the problem remains, go to step 2. 2 Turn the printer off for 60 seconds. Does the error occur when the power is turned off/on again? Replace the printer engine card assembly. Go to “Printer engine card assembly removal”. Go to step 3. Problem solved. 3 Perform a print test. Does the error still occur? Replace the RIP card assembly. Go to “RIP card assembly removal”. Problem solved.

• Code: 909.00
• Description: Service zero cross Zero cross failure The zero cross engine has failed.
• Remedy: 1 Perform a POR. Does the error occur when the power is turned off/on? Go to step 2. Perform several print tests. If the problem remains, go to step 2. 2 Turn the printer off for 60 seconds. Does the error occur when the power is turned off/on again? Replace the printer engine card assembly. Go to “Printer engine card assembly removal”. Problem solved.

• Code: 910.00
• Description: Service motor error Transport motor stop failure Due to the malfunction in the control system of the printer engine card assembly, the transport motor does not stop when media is not transported.
• Remedy: 1 Check the dual drive motor assembly installation. Is the dual drive motor assembly properly installed? Open the rear motor cover and check it. Go to step 2. Install the PC cartridge properly. 2 Check the dual drive motor assembly rotation operation. Open the rear motor cover and check it. 1. Enter the Diagnostics Menu. 2. Touch MOTOR TESTS. 3. Touch Printer Motor Test. 4. Touch Transport motor. Does the motor rotate normally? Go to step 4 Go to step 3. 3 Check the dual drive motor assembly connection. Is the dual drive motor assembly properly connected? Replace the dual drive motor assembly. Go to “Dual drive motor assembly removal”. Replace the connection. 4 Perform a print test. Does the error continue? Replace the printer engine card assembly. Go to “Printer engine card assembly removal”. Problem solved.

• Code: 911.00
• Description: Service motor error Transport motor failure The transport motor does not rotate at the specified speed.
• Remedy: 1 Check the dual drive motor assembly for operation. Open the rear motor cover and check it. 1. Enter the Diagnostics Menu. 2. Touch MOTOR TESTS. 3. Touch Printer Motor Test. 4. Touch Transport motor. Does the motor rotate normally? Go to step 3 Go to step 2. 2 Check the dual drive motor assembly for proper installation. Remove the rear motor cover and check it. Is the dual drive motor assembly installed properly? Go to step 3. Install the dual drive motor assembly properly. 3 Check the rotation of the rotor in the dual drive motor assembly. Open the rear motor cover and check it. Can the rotor be rotated by hand without excessive load? Go to step 4. Install the dual drive motor assembly properly. 4 Check the dual drive motor assembly connection. Is the dual drive motor assembly properly connected? Replace the dual drive motor assembly. Go to “Dual drive motor assembly removal”. Replace the connection. 5 Perform a print test. Does the error continue? Replace the printer engine card assembly. Go to “Printer engine card assembly removal”. Problem solved.

• Code: 912.00
• Description: Service motor error PC cartridge unit motor failure The PC cartridge motor does not rotate at the specified speed.
• Remedy: 1 Check the PC cartridge for proper installation. Is the PC cartridge installed properly? Go to step 2. Install the PC cartridge properly. 2 Check the dual drive motor assembly for operation. Open the rear motor cover and check it. 1. Enter the Diagnostics Menu. 2. Touch MOTOR TESTS. 3. Touch Printer Motor Test. 4. Touch Drum unit motor. Does the motor rotate normally. Go to step 4 Go to step 3. 3 Check the dual drive motor assembly for proper installation. Open the rear motor cover and check it. Is the dual drive motor assembly installed properly? Go to step 4. Install the dual drive motor assembly properly. 4 Check the rotation of the rotor in the dual drive motor assembly. Open the rear motor cover and check it. Can the rotor be rotated by hand without excessive load? Go to step 5. Install the dual drive motor assembly properly. 5 Check the dual drive motor assembly connection. Is the dual drive motor assembly properly connected? Replace the dual drive motor assembly. Go to “Dual drive motor assembly removal”. Replace the connection. 6 Perform a print test. Does the error continue? Replace the printer engine card assembly. Go to “Printer engine card assembly removal”. Problem solved.

• Code: 913.00
• Description: Service motor error Printhead assembly failure Rotation speed of the printhead motor is less than the specified value even when the specified time is passed after the motor starts rotating. Light intensity of the LD1 is less than the specified value.
• Remedy: 1 Check the printhead assembly for proper installation. Is the printhead assembly installed properly? Go to step 2. Install the printhead assembly properly. 2 Check the printhead assembly connection. Is the printhead assembly properly connected? Replace the printhead. Replace the connection. 3 Perform a print test. Does the error continue? Replace the printer engine card assembly. Go to “Printer engine card assembly removal”. Problem solved.

• Code: 914.00
• Description: Service motor error Toner add motor assembly failure The toner concentration in the PC cartridge does not increase when the toner add motor is turned on for more than the specified time.
• Remedy: 1 Check the toner cartridge for proper installation. Remove the toner cartridge and reinstall it. Does it operate properly? Problem solved. Go to step 2. 2 Check the gear rotation for the toner cartridge guide assembly. Remove the toner guide assembly. Does the gear, located at the lower part of the toner cartridge guide assembly, rotate smoothly? Go to step 3. Replace the toner cartridge guide assembly. 3 Check the toner cartridge guide assembly for pipe clogging. Is the pipe, located at the lower part of the toner cartridge guide assembly, clogged? Go to step 4. Clean the pipe. 4 Check the toner add motor assembly for operation. Warning: Only perform this test in segments of three seconds or less, or toner spill will occur. Remove the top cover assembly. Go to “Top cover assembly removal”. Override the switch (printer front door interlock) 1. Enter the Diagnostics Menu. 2. Touch MOTOR TESTS. 3. Touch Printer Motor Test. 4. Touch Toner add motor. Observe the toner add motor for rotation. Note: When performing this test, the drum unit motor will also operate. Does the motor rotate normally? Go to step 6. Go to step 5. 5 Check the toner add motor assembly connection. Is the toner add motor assembly properly connected? Replace the toner add motor. “Toner cartridge guide assembly removal” Replace the connection. 6 Perform a print test. Does the error continue? Replace the printer engine card assembly. Go to “Printer engine card assembly removal”. Problem solved.

• Code: 915.00
• Description: Service fan error Fuser cooling fan failure The fuser cooling fan has failed.
• Remedy: 1 Check the fuser cooling fan for proper installation. Is the fuser cooling fan installed properly? Go to step 2. Install the fuser cooling fan properly. 2 Visually check the fuser cooling fan for rotation. Is the fuser cooling fan visually rotating? Go to step 5. Go to step 3. 3 Check the fuser cooling fan for operation. 1. Enter the Diagnostics Menu. 2. Touch MOTOR TESTS. 3. Touch Printer Motor Test. 4. Touch Fuser cooling fan. Does the fuser cooling fan RPM increase? Go to step 5. Go to step 4. 4 Check the fuser cooling fan for connection. Is CN102 on the dual drive motor assembly connected properly? Replace the fuser cooling fan. Replace the connection. 5 Perform a print test. Does the error continue? Replace the printer engine card assembly. Go to “Printer engine card assembly removal”. Problem solved.