2-62 Service Manual
5062
Firmware and/or system electronics (900–999)
Error code Description Action
900.00–900.99
(except 900.05)
Software Error
An unrecoverable RIP software error
occurred while an unknown process
was running.
Go to “900.xx System software error” on
page 2-132.
910.xx–915.xx
Engine Software Error
An engine software error has
occurred.
• POR the printer.
• If the error persists, replace the system board.
See “System board removal” on page 4-151.
938.01
Electronics Hardware
Error
The system board is not in the correct
level.
• POR the printer.
• If the error persists, replace the system board.
See “System board removal” on page 4-151.
938.02
Electronics Hardware
Error
A system board timeout error has
occurred.
• POR the printer.
• If the error persists, replace the system board.
See “System board removal” on page 4-151.
938.03–938.04
Electronics Hardware
Error
A communication error has occurred. • POR the printer.
• If the error persists, replace the system board.
See “System board removal” on page 4-151.
938.05–938.08
Electronics Hardware
Error
Under-voltage was detected. • POR the printer.
• If the error message persists, replace the LVPS.
See “Low-voltage power supply (LVPS)
removal” on page 4-86.
938.09
Electronics Hardware
Error
The printhead PLL failed to achieve
lock.
• POR the printer.
• If the error message persists, go to “110.xx—
Printhead error service check” on page 2-67.
938.10
Electronics Hardware
Error
The humidity sensor failed. • POR the printer.
• If the error message persists, go to “System
board removal” on page 4-151.
938.11–938.14
Electronics Hardware
Error
A cartridge sensor failed. • POR the printer.
• If the error message persists, go to “133.xx—
Cartridge sensor error service check” on
page 2-74.
938.15
Electronics Hardware
Error
An output bin sensor not connected
error occurred.
• POR the printer.
• If the error message persists, go to “Bin-full
sensor service check” on page 2-144.
938.16
Electronics Hardware
Error
An MPF paper out sensor not
connected error occurred.
• POR the printer.
• If the error message persists, go to “938.16—
MPF paper out sensor error service check”
on page 2-135.
938.18
Electronics Hardware
Error
A waste toner sensor not connected
error occurred.
• POR the printer.
• If the error message persists, go to “938.18—
Waste toner sensor error service check” on
page 2-136.
938.19
Electronics Hardware
Error
A waste toner full sensor not
connected error occurred.
• POR the printer.
• If the error message persists, go to “938.19—
Waste toner full sensor error service check”
on page 2-137.
938.20
Electronics Hardware
Error
A duplex motor failure occurred. • POR the printer.
• If the error message persists, go to “150.xx—
Duplex motor error service check” on
page 2-89.