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Diagnostic information 2-5
Symptom tables
Base printer symptoms
Symptom Action
Dead machine Go to “Dead machine service check” on page 2-80.
Operator panel—one or more buttons do
not work.
Go to “One or more operator panel buttons fail” on
page 2-106.
Operator panel—none of the buttons work. Go to “No buttons work” on page 2-106.
Operator panel—display is blank. Printer
sounds 5 beeps.
Go to “Operator panel display” on page 2-107.
Operator panel—display is blank. Go to “Operator panel display” on page 2-107
Operator panel continuously displays all
diamonds and does not complete POST.
Go to “Operator panel service check” on page 2-106.
Paper feed problems—base printer or
integrated 500-sheet paper tray
Go to “Paper feed service check” on page 2-112.
Paper jams at exit of redrive assembly—
duplex option not installed.
Go to “Paper feed service check” on page 2-112.
Paper jams at exit of redrive assembly—
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 2-94.
Print quality—black page Go to “Print quality—all black page” on page 2-116.
Print quality—blank page Go to “Print quality—blank page” on page 2-117.
Print quality—light print Go to “Print quality—light print” on page 2-121.
Print quality—background Go to “Print quality—background” on page 2-118.
Print quality—residual image Go to “Print quality—residual image” on page 2-120.
Print quality—skew Go to “Paper feed service check” on page 2-112.
Print quality—banding Go to “Print quality—banding” on page 2-119.
Print quality—random marks Go to “Print quality—random marks” on page 2-117.
Print quality—toner on backside of printed
page.
Go to “Print quality—toner on backside of printed page” on
page 2-121.
Print quality—vertical black bands on edge
of copy.
Go to “Print quality—black bands on outer edges of the
page” on page 2-120.
Unable to clear a 32-Unsupported Print
Cartridge user error message.
Go to “Signature button assembly service check” on
page 2-122.
High-capacity feeder (2000-sheet) symptoms
Symptom Action
The printer does not recognize the high-
capacity feeder installed.
Go to “High-capacity feeder input tray service check” on
page 2-95.
Paper feed problem with the high-capacity
feeder.
Go to “High-capacity feeder input tray service check” on
page 2-95.