HP color laserjet 1600 series Service Manual
2.
Open and close the front door.
Pickup delay jam
The printer performs the retry control, which executes the pickup operation three times, to retrieve
the pickup delay jam caused by the pickup error. When the registration paper sensor (SR1) does not
detect the leading edge of the paper within approximately 2.5 seconds (4.5 seconds for optional
cassette) after the pickup solenoid (SL1) is turned ON, the CPU tries to pick up the paper three times.
the pickup delay jam caused by the pickup error. When the registration paper sensor (SR1) does not
detect the leading edge of the paper within approximately 2.5 seconds (4.5 seconds for optional
cassette) after the pickup solenoid (SL1) is turned ON, the CPU tries to pick up the paper three times.
Pickup stationary jam
The CPU determines the pickup stationary jam when the registration paper sensor (SR1) does not
detect the trailing edge of the paper within approximately 8.6 seconds after it detects the leading edge.
detect the trailing edge of the paper within approximately 8.6 seconds after it detects the leading edge.
Delivery delay jam
The CPU determines the delivery delay jam when the fuser delivery paper sensor (SR4) does not
detect the leading edge of the paper within approximately 6.6 seconds after the registration paper
sensor (SR1) detects the leading edge.
detect the leading edge of the paper within approximately 6.6 seconds after the registration paper
sensor (SR1) detects the leading edge.
Wrapping jam
The CPU executes the wrapping jam detection after it assesses no delivery delay jam. The CPU
determines the wrapping jam, when the fusing delivery paper sensor (SR4) detects the paper
absence before the time equivalent to paper passage of its length minus 40 mm (1.6 inches) after the
SR4 detected the leading.
determines the wrapping jam, when the fusing delivery paper sensor (SR4) detects the paper
absence before the time equivalent to paper passage of its length minus 40 mm (1.6 inches) after the
SR4 detected the leading.
Delivery stationary jam
The CPU executes the delivery stationary jam detection after it assesses no wrapping jam. The CPU
determines the delivery stationary jam, when the fuser delivery paper sensor (SR4) detects the paper
presence after the time equivalent to paper passage of its length plus 50 mm (1.9 inches) from when
it detected the trailing edge.
determines the delivery stationary jam, when the fuser delivery paper sensor (SR4) detects the paper
presence after the time equivalent to paper passage of its length plus 50 mm (1.9 inches) from when
it detected the trailing edge.
Start-up residual paper jam
The CPU determines the start-up residual paper jam when either the pre-fuser paper sensor (SR5)
or the fuser delivery paper width sensor (SR4) detects the paper when the initial rotation is started.
or the fuser delivery paper width sensor (SR4) detects the paper when the initial rotation is started.
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Chapter 6 Troubleshooting
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