Introduction
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your Lathem 1600e Time Clock Punch Machine and Document Stamp. Please read this manual thoroughly before using the device to ensure proper functionality and to maximize its benefits for accurate timekeeping and document management.
Product Overview
The Lathem 1600e is a versatile device designed for both employee time tracking and document stamping. It features a compact design suitable for various office environments.
Key Features
- Multifunctional Time Clock: Records in and out times for payroll and tracks project time for billing and job costing.
- Document Stamping: Capable of printing date, time, and 13 preset messages (e.g., SENT, PAID, FILED, VOID) on business documents.
- Tru-Align System: Ensures quick printing and perfect punch alignment on time cards.
- Continuous Calendar: Automatically updates year, month, and date until 2099, maintains time during power outages, and adjusts for Daylight Saving Time.
- Easy-to-Read LCD Display: Provides clear visibility of time and settings.
Package Contents
- Lathem 1600e Electronic Time Clock
- Power Adapter
- Ink Ribbon Cartridge
- 25 Tru-Align Time Cards
- Instruction Manual (this document)

Setup
1. Unpacking
Carefully remove all components from the packaging. Verify that all items listed in the 'Package Contents' section are present.
2. Power Connection
- Locate the power adapter.
- Insert the small end of the power adapter cable into the power input port on the back of the Lathem 1600e unit.
- Plug the power adapter into a standard electrical outlet. The unit will power on and display the current time.

3. Ribbon Installation
The ink ribbon cartridge is typically pre-installed. If replacement is needed, refer to the 'Maintenance' section.
4. Mounting (Optional)
The Lathem 1600e can be wall-mounted for convenience. Use appropriate hardware (not included) for your wall type. Ensure the unit is securely fastened and accessible for operation and maintenance.
Operation
1. Basic Time Clock Function
The 1600e can operate in either automatic or manual punch mode. The default setting is typically automatic.
- Insert Time Card: Gently slide a Tru-Align time card into the card slot. The Tru-Align system will guide the card into the correct position.
- Automatic Punch: If set to automatic, the device will detect the card and print the time and date automatically once properly aligned.
- Manual Punch: If manual activation is preferred, press the designated button (refer to the programming diagram in section 4 for button location) once the card is aligned.

2. Tru-Align System
The Tru-Align feature ensures that time entries are always printed in the correct location on the time card, preventing misaligned punches.
- When a Tru-Align time card is inserted, the system detects its position.
- An LED light may indicate proper alignment. The device will only print when the card is correctly aligned.


3. Document Stamping
Beyond time cards, the 1600e can stamp various documents with time, date, and preset messages.
- Select Message: Use the control buttons to cycle through the 13 preset messages (e.g., SENT, PAID, FILED, VOID).
- Insert Document: Place the document into the stamping area.
- Activate Stamp: Press the manual print activation button to stamp the document.

4. Setting Time and Date / Programming Options
The 1600e features a continuous calendar that automatically adjusts for leap years and Daylight Saving Time. Manual adjustments and other programming options can be accessed via the control panel.
- Automatic Adjustments: The device automatically updates for Daylight Saving Time.
- Perpetual Calendar: The internal calendar is accurate until the year 2099.
- Programming: Refer to the programming diagram (Image: 81qLVj4XI1L.jpg) for detailed instructions on selecting display format, print order, language (English, French, Spanish, Portuguese), and print method (automatic/manual/Tru-Align).

Maintenance
1. Ribbon Replacement
When print quality diminishes, it is time to replace the ink ribbon cartridge.
- Ensure the unit is powered off.
- Open the cover of the ribbon compartment (usually located on the side or top).
- Carefully remove the old ribbon cartridge.
- Insert the new ribbon cartridge, ensuring it clicks into place.
- Close the cover.
2. Cleaning
Regular cleaning helps maintain optimal performance.
- Wipe the exterior with a soft, damp cloth. Avoid abrasive cleaners.
- Periodically clean the card slot area with a soft brush to remove dust or paper debris.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power adapter unplugged or faulty outlet | Check power connections; try a different outlet. |
| Faint or unclear print | Ink ribbon needs replacement | Replace the ink ribbon cartridge (refer to Maintenance). |
| Card not punching | Card not inserted correctly; Tru-Align not engaged; manual mode selected | Ensure card is fully inserted; check for debris in slot; verify operation mode. |
| Incorrect time/date | Manual adjustment needed after extended power loss | Refer to 'Setting Time and Date' in the Operation section for manual adjustment. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | 1600E |
| Brand | Lathem |
| Color | Charcoal Gray |
| Display Type | Digital |
| Product Dimensions (W x H x D) | 7.2" x 5.7" x 6.3" |
| Item Weight | 7 ounces (0.44 lbs) |
| Power Source | Corded Electric |
| Material | ABS Plastic |
| Mounting Type | Wall Mount (optional) |
| Calendar | Perpetual until 2099, auto Daylight Saving Time adjustment |
| Ink Color | Black |
| Preset Messages | 13 (e.g., SENT, PAID, FILED, VOID) |
| Operation Mode | Automatic / Manual |

Warranty and Support
Warranty Information
The Lathem 1600e Time Clock Punch Machine & Document Stamp comes with a limited warranty. Please refer to the warranty card included with your product for specific terms and conditions, or visit the official Lathem website for details.
Customer Support
Lathem offers US-based technical support to assist you with any questions or issues regarding your device. Support is available via phone or online resources.
- For assistance, please contact Lathem customer service. Contact details can be found on the official Lathem website or on your product packaging.






