Diagnostic information 2-5Symptom tablesBase printer symptomsSymptom ActionDead machine Go to “Dead machine service check” on page 2-80.Operator panel—one or more buttons donot work. Go to “One or more operator panel buttons fail” onpage 2-107.Operator panel—none of the buttons work. Go to “No buttons work” on page 2-107.Operator panel—display is blank. Printersounds 5 beeps. Go to “Operator panel display” on page 2-108.Operator panel—display is blank. Go to “Operator panel display” on page 2-108Operator panel continuously displays alldiamonds and does not complete POST. Go to “Operator panel service check” on page 2-107.Paper feed problems—base printer orintegrated 500-sheet paper tray Go to “Paper feed service check” on page 2-113.Paper jams at exit of redriveassembly—duplex option not installed. Go to “Paper feed service check” on page 2-113.Paper jams at exit of redriveassembly—duplex option installed. Go to “Duplex option service check” on page 2-82.Fuser solenoid fails to operate. Go to “Fuser solenoid service check” on page 2-95.Print quality—black page Go to “Print quality—all black page” on page 2-117.Print quality—blank page Go to “Print quality—blank page” on page 2-118.Print quality—light print Go to “Print quality—light print” on page 2-122.Print quality—background Go to “Print quality—background” on page 2-119.Print quality—residual image Go to “Print quality—residual image” on page 2-121.Print quality—skew Go to “Paper feed service check” on page 2-113.Print quality—banding Go to “Print quality—banding” on page 2-120.Print quality—random marks Go to “Print quality—random marks” on page 2-118.Print quality—toner on backside of printedpage. Go to “Print quality—toner on backside of printed page” onpage 2-122.Print quality—vertical black bands on edgeof copy. Go to “Print quality—black bands on outer edges of thepage” on page 2-121.Unable to clear a 32-Unsupported PrintCartridge user error message. Go to “Signature button assembly service check” onpage 2-123.High-capacity feeder (2000-sheet) symptomsSymptom ActionThe printer does not recognize the high-capacity feeder installed. Go to “High-capacity feeder input tray service check” onpage 2-96.Paper feed problem with the high-capacityfeeder. Go to “High-capacity feeder input tray service check” onpage 2-96.
