Operator Call Errors................................................................ 65
Secondary light sequences........................................................... 67
Fatal Errors....................................................................... 69
Firmware Errors................................................................... 69
Chapter 7 Troubleshooting
Clearing Jams.......................................................................... 71
Avoiding Jams..................................................................... 71
Identifying the Location of Paper Jams. . . .............................................. 72
Clearing Paper Jams From the Front of the Printer. . . . . . ................................. 73
Clearing Paper Jams From the Back of the Printer....................................... 74
Clearing Paper Jams From the Center Output Tray...................................... 76
Jam Problems..................................................................... 78
Basic Printer Problems.................................................................. 79
Display Problems....................................................................... 79
Printing Problems...................................................................... 80
Print Quality Problems.................................................................. 81
The Output Is Too Light............................................................ 81
Toner Smears or Print Comes Off/Stain on Back Side.................................... 82
Random Spots/Blurred Images....................................................... 83
The Entire Output Is Blank.......................................................... 84
Streaks Appear on the Output........................................................ 84
Pitched Color Dots................................................................. 85
Vertical Blanks.................................................................... 85
Mottle............................................................................ 86
Ghosting......................................................................... 86
Fog.............................................................................. 87
Bead-Carry-Out (BCO)............................................................. 88
Auger Mark....................................................................... 89
Wrinkled/Stained Paper............................................................. 89
The Top Margin Is Incorrect......................................................... 90
Color Registration Is out of Alignment................................................ 91
Protrudent/Bumpy Paper............................................................ 93
Adjusting Color Registration............................................................. 93
Performing Auto Correct............................................................ 93
Printing the Color Registration Chart. . . . . . . ........................................... 94
Determining Values................................................................ 95
Entering Values.................................................................... 96
Epson AcuLaser C1700 Series User’s Guide
Contents 4