HP 8550 Service Manual - Page 512
or the delivery motor clock sensor S13 is faulty. This error occurs
View all HP 8550 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 512 highlights
E402 The error shown on the touch-screen display is in the ADF. See "ADF troubleshooting" on page 528. This error indicates that either the belt motor (M3) fails to rotate or the belt motor clock (S10) is faulty. This error occurs when the number of belt motor clock pulses within 200 ms is less than a specific value. E403 The error shown on the touch-screen display is in the ADF. See "ADF troubleshooting" on page 528. This error indicates that either the ADF motor (M2) fails to rotate, or the ADF motor clock sensor (S9) is faulty. This error occurs when the number of ADF motor clock pulses within 200 ms is less than a specific value. E404 The error shown on the touch-screen display is in the ADF. See "ADF troubleshooting" on page 528. This error indicates that either the delivery motor (M5) fails to rotate or the delivery motor clock sensor (S13) is faulty. This error occurs when the number of ADF motor clock pulses within 200 ms is less than a specific value. E411 The error shown on the touch-screen display is in the ADF. See "ADF troubleshooting" on page 528. This error indicates that either the document tray paper sensor (S1) or the registration sensor (S3) is faulty. This error occurs when the sensor output is 2.3 V or more in the absence of paper. 510 Chapter 7 - Troubleshooting EN