HP LaserJet 1100 Service Manual - Page 135

Functional checks

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Functional checks Engine test The engine test is used to verify that the print engine is functioning correctly. The formatter is bypassed during an engine test, so the engine test is useful for isolating printer problems. The engine test prints vertical lines down the entire printable area of a page and is also useful for checking and adjusting registration. Engine test button location The engine test switch is accessible without removing the covers. It is located on the back of the HP LaserJet 1100 Printer under the memory door. New picture here: now behind memory door on back of printer Printing an engine test To print an engine test, lift the memory door on the back of the printer and depress the engine test switch (Figure 5-1). A single test page will print. Figure 5-1 Engine Test Switch 140 Troubleshooting/Maintenance C4224-90962

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140
Troubleshooting/Maintenance
C4224-90962
Functional checks
Engine test
The engine test is used to verify that the print engine is functioning correctly. The formatter is
bypassed during an engine test, so the engine test is useful for isolating printer problems.
The engine test prints vertical lines down the entire printable area of a page and is also
useful for checking and adjusting registration.
Engine test button location
The engine test switch is accessible without removing the covers. It is located on the back of
the HP LaserJet 1100 Printer under the memory door.
New picture here: now behind memory door on back of printer
Printing an engine test
To print an engine test, lift the memory door on the back of the printer and depress the
engine test switch (Figure 5-1). A single test page will print.
Figure 5-1
Engine Test Switch