• Code: 163.04
• Description: The motor (tray 3 feed) did not reach the required speed.
• Remedy: Step 1 Enter the Diagnostics menu, and then navigate to: PRINTER SETUP > Reset Engine Service Error Does the problem remain? Go to step 2. The problem is solved. Step 2 a Check the tray 3 feed belt for proper tension, and adjust if necessary. b Check the feed belt and gears for wear or damage, and replace if necessary. See “2 x 500-sheet tray 3 transport belts and gears removal”. Does the problem remain? Go to step 3. The problem is solved. Step 3 Check the tray 3 feed, pick, and separator rollers for wear or damage, and replace if necessary. Note: If the page count is over 50K, then clean the rollers. Does the problem remain? Go to step 4. The problem is solved. Step 4 Replace the motor (2 x 500-sheet tray 3 feed). See “2 x 500-sheet tray feed and transport motors removal”. Does the problem remain? Go to step 5. The problem is solved. Step 5 Check the 2 x 500-sheet tray controller board pins for damage, and replace if necessary. See “2 x 500-sheet tray controller board removal”. Does the problem remain? Contact the next level of support. The problem is solved.

• Code: 163.04
• Description: The motor (2500-sheet tray paper feed) did not reach the required speed.
• Remedy: Step 1 Enter the Diagnostics menu, and then navigate to: PRINTER SETUP > Reset engine Service Error Note: Do this every time a service error would occur to clear the error and restore the engine settings. Does the error remain? Go to step 2. The problem is solved. Step 2 a Check the 2500-sheet tray feed and transport motor belt for proper tension, and adjust if necessary. b Check the 2500-sheet tray feed and transport motor gear and belt for wear or damage, and replace if necessary. Does the problem remain? Go to step 3. The problem is solved. Step 3 Check the 2500.sheet tray feed, pick, and separator rollers for damage, and replace if necessary. See g2500-sheet tray paper feed assembly removalh and g2500-sheet tray pick assembly removalh. Note: If the page count is over 50K, then clean the rollers. Does the problem remain? Go to step 4. The problem is solved. Step 4 Replace the motor (2500-sheet tray feed). See gMotor (2500.sheet tray feed) removalh. Does the problem remain? Go to step 5. The problem is solved. Step 5 Check the 2500-sheet tray controller board pins for damage, and replace if necessary. See “2500-sheet tray controller board removal”. Does the problem remain? Contact the next level of support. The problem is solved.

• Code: 164.04
• Description: The motor (tray 4 feed) did not reach the required speed.
• Remedy: Step 1 Enter the Diagnostics menu, and then navigate to: PRINTER SETUP > Reset Engine Service Error Does the problem remain? Go to step 2. The problem is solved. Step 2 a Check the tray 4 feed belt for proper tension, and adjust if necessary. b Check the feed belt and gears for wear or damage, and replace if necessary. See “2 x 500-sheet tray 4 transport belts and gears removal”. Does the problem remain? Go to step 3. The problem is solved. Step 3 Check the tray 4 feed, pick, and separator rollers for wear or damage, and replace if necessary. Note: If the page count is over 50K, then clean the rollers. Does the problem remain? Go to step 4. The problem is solved. Step 4 Replace the motor (2 x 500-sheet tray 4 feed). See “2 x 500-sheet tray feed and transport motors removal”. Does the problem remain? Go to step 5. The problem is solved. Step 5 Check the 2 x 500-sheet tray controller board pins for damage, and replace if necessary. See “2 x 500-sheet tray controller board removal”. Does the problem remain? Contact the next level of support. The problem is solved.

• Code: 167.04
• Description: The motor (tray 3 transport) did not reach the required speed.
• Remedy: Step 1 Enter the Diagnostics menu, and then navigate to: PRINTER SETUP > Reset Engine Service Error Does the problem remain? Go to step 2. The problem is solved. Step 2 a Check the tray 3 transport belt for proper tension, and adjust if necessary. b Check the transport belt and gears for wear or damage, and replace if necessary. See “2 x 500-sheet tray 4 transport belts and gears removal”. Does the problem remain? Go to step 3. The problem is solved. Step 3 Check the tray 3 transport roller for wear or damage, and replace if necessary. Does the problem remain? Go to step 4. The problem is solved. Step 4 Replace the motor (2 x 500-sheet tray 3 transport). See “2 x 500-sheet tray feed and transport motors removal”. Does the problem remain? Go to step 5. The problem is solved. Step 5 Check the 2 x 500-sheet tray controller board pins for damage, and replace if necessary. See “2 x 500-sheet tray controller board removal”. Does the problem remain? Contact the next level of support. The problem is solved.

• Code: 167.04
• Description: The motor (2500-sheet tray transport) did not reach the required speed.
• Remedy: Step 1 Enter the Diagnostics menu, and then navigate to: PRINTER SETUP > Reset engine Service Error Note: Do this step every time a service error would occur to clear the error and restore the engine settings. Does the error remain? Go to step 2. The problem is solved. Step 2 a Check the 2500-sheet tray feed and transport motor belt for proper tension, and adjust if necessary. b Check the 2500-sheet tray feed and transport motor gear and belt for wear or damage, and replace if necessary. Does the problem remain? Go to step 3. The problem is solved. Step 3 Check the 2500-sheet tray transport rollers for damage, and replace if necessary. See g2500.sheet tray transport roller removalh. Note: If the page count is over 50K, then clean the rollers. Does the problem remain? Go to step 4. The problem is solved. Step 4 Replace the motor (2500-sheet tray transport). See gMotor (2500.sheet tray transport) removalh. Does the problem remain? Go to step 5. The problem is solved. Step 5 Check the 2500-sheet tray controller board pins for damage, and replace if necessary. See g2500-sheet tray controller board removalh. Does the problem remain? Contact the next level of support. The problem is solved.

• Code: 168.04
• Description: The motor (tray 4 transport) did not reach the required speed.
• Remedy: Step 1 Enter the Diagnostics menu, and then navigate to: PRINTER SETUP > Reset Engine Service Error Does the problem remain? Go to step 2. The problem is solved. Step 2 a Check the tray 4 transport belt for proper tension, and adjust if necessary. b Check the transport belt and gears for wear or damage, and replace if necessary. See “2 x 500-sheet tray 4 transport belts and gears removal”. Does the problem remain? Go to step 3. The problem is solved. Step 3 Check the tray 4 transport roller for wear or damage, and replace if necessary. Does the problem remain? Go to step 4. The problem is solved. Step 4 Replace the motor (2 x 500-sheet tray 4 transport). See “2 x 500-sheet tray feed and transport motors removal”. Does the problem remain? Go to step 5. The problem is solved. Step 5 Check the 2 x 500-sheet tray controller board pins for damage, and replace if necessary. See “2 x 500-sheet tray controller board removal”. Does the problem remain? Contact the next level of support. The problem is solved.

• Code: 171.00...182.00
• Description: 171.00 The paper exit fan did not run. 172.00 The main power supply fan did not run. 178.00 The fuser power supply fan did not run. 179.00 The fuser fan did not run. 180.00 The ozone fan did not run. 182.00 The controller board fan did not run.
• Remedy: Step 1 Enter the Diagnostics menu, and then navigate to: PRINTER SETUP > Reset Engine Service Error Does the problem remain? Go to step 2. The problem is solved. Step 2 a Reseat the fan cable. Reseat also the cable connecting the fan to the board. b Check the cable for damage, and replace if necessary. Does the problem remain? Go to step 3. The problem is solved. Step 3 Check the fan for damage and functionality, and replace if necessary. Does the problem remain? Go to step 4. The problem is solved. Step 4 Check the engine controller board pins for damage, and replace if necessary. See “Engine controller board removal”. Does the problem remain? Contact the next level of support. The problem is solved.

• Code: 189.00
• Description: The 2 x 500.sheet tray communication failed.
• Remedy: Step 1 Enter the Diagnostics menu, and then navigate to: PRINTER SETUP > Reset Engine Service Error Does the problem remain? Go to step 2. The problem is solved. Step 2 a Reseat the 2 x 500-sheet tray interface cable. b Check the cable for damage, and replace if necessary. Does the problem remain? Go to step 3. The problem is solved. Step 3 Check the 2 x 500-sheet tray controller board pins for damage, and replace if needed. See “2 x 500-sheet tray controller board removal”. Does the problem remain? Contact the next level of support. The problem is solved.